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Axelsson, John. "Long shifts, short rests and vulnerability to shift work." Doctoral thesis, Stockholm : Department of Psychology, Stockholm University, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-453.
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Hermansson, Jonas. "Shift work and cardiovascular disease." Licentiate thesis, Mittuniversitetet, Institutionen för hälsovetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-17466.
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Shift work is a work schedule being the opposite of normal daytime work, often defined as working time outside normal daytime hours (06:00 to 18:00). In recent years, shift work has been associated with an increased risk of numerous chronic conditions including for example cardiovascular disease, some types of cancer, type II diabetes, and the metabolic syndrome. While some studies on the association between shift work and chronic disease have found results supporting it, others have not. Therefore, more research is needed to clarify potential associations.The aim of this thesis was to further study the proposed association between shift work and cardiovascular disease. This was addressed by performing two studies, one analysing if shift workers had an increased risk of ischemic stroke compared to day workers. The other study analysed whether shift workers had an increased risk of short-term mortality (case fatality) after a myocardial infarction compared to day workers. The studies were performed using logistic regression analysis in two different case-control databasesThe findings from the first study indicated that shift workers did not have an increased risk of ischemic stroke. The findings from the second study showed that male shift workers had an increased risk of death within 28 days after a myocardial infarction; the results did not indicate an increased risk for female shift workers. The results from both studies were adjusted for both behavioural and medical risk factors without affecting the results. The findings from this thesis provide new evidence showing that male shift workers have an increased risk of death 28 days after a myocardial infarction, however more research is needed to clarify and characterise any such potential associations.
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Hermansson, Jonas. "Shift work and cardiovascular disease." Doctoral thesis, Mittuniversitetet, Avdelningen för hälsovetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-26219.
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Shift work is often defined as working time outside daytime hours (06:00 to 18:00). In recent years, shift work has been associated with an increased risk of cardiovascular disease (CVD), type II diabetes, and the metabolic syndrome. While some studies support the associations, others do not. Therefore, more research is needed. The aim of this thesis was to further study the association between shift work and CVD. This was addressed by performing four studies, one analysed if shift workers had an increased risk of ischemic stroke, the second study analysed whether shift workers had an increased risk of short-term mortality (case fatality)after a myocardial infarction (MI). The third study analysed if shift work interacts with other risk factors for MI and the fourth study analysed if parental history of CVD interacted with shift work on the risk of MI. The studies were performed using logistic regression analyses and additive interaction analyses in two different case-control databases. Shift workers did not have an increased risk of ischemic stroke. Male shift workers had an increased risk of death within 28 days after a MI. Shift work interacts with some CVD risk factors and interacts with paternal history of CVD and the risk of MI for males. The findings from this thesis provide new evidence showing that shift work is in different ways associated with an increased risk of MI and related mortality, but not with ischemic stroke. However, more research is needed to clarify and characterise these results.Vid tidpunkten för disputationen var följande delarbeten opublicerade: delarbete 3 manuskript, delarbete 4 manuskript
At the time of the doctoral defence the following papers were unpublished: paper 3 manuscript, paper 4 manuscript
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Juda, Myriam. "The Importance of Chronotype in Shift Work Research." Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-118146.
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au, buxtons@senet com, and Sandra Michelle Buxton. "Shift Work: An Occupational Health and Safety Hazard." Murdoch University, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040302.154645.
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Shift work is a major feature of modern work practices. It involves individuals working at times considered unconventional for most workers, such as at night. Although the community often benefits from such work practices, shift work can be hazardous, for both the workers and the community.
The thesis reviews the main problems of shift work, especially when involving night work. These are: an increased risk for accidents and errors; increased sleepiness and fatigue due to difficulties sleeping; increased health problems; and disruption to family and social life. Strategies to limit the risk associated with these hazards are also reviewed, and include using knowledge of circadian principles to plan shift schedules, sleeping schedules and meal times; planned napping; consideration of the work environment; and newer techniques such as using bright lights and melatonin.
While this information is known to the research community, it has not filtered down to many shift work workplaces and thus has had little if any positive effect on actual shift work practices. For a change in shift work practices to occur, the research knowledge must become available to every shift work workplace, as must some incentive or motivation to ensure that workplaces make the necessary changes.
The Occupational Health and Safety (OHS) laws provide such a framework. Considering shift work as an OHS hazard would ensure that all shift work workplaces identified the hazards of shift work, conducted a risk assessment to identify the risk associated with the hazards, and then implemented the appropriate strategies, from the hierarchy of shift work hazard control measures, for both employers and employees, to fulfil their duty of care to minimise the risks. Considering shift work as an OHS issue would ensure that the research information was used as intended to improve the safety, performance, and quality of life of all shift workers. The present thesis reviews the shift work research and introduces an OHS perspective as a method to manage shift work effectively.
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Buxton, Sandra Michelle. "Shift work: an occupational health and safety hazard." Buxton, Sandra Michelle (2003) Shift work: an occupational health and safety hazard. Masters by Research thesis, Murdoch University, 2003. http://researchrepository.murdoch.edu.au/495/.
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Shift work is a major feature of modern work practices. It involves individuals working at times considered unconventional for most workers, such as at night. Although the community often benefits from such work practices, shift work can be hazardous, for both the workers and the community.
The thesis reviews the main problems of shift work, especially when involving night work. These are: an increased risk for accidents and errors; increased sleepiness and fatigue due to difficulties sleeping; increased health problems; and disruption to family and social life. Strategies to limit the risk associated with these hazards are also reviewed, and include using knowledge of circadian principles to plan shift schedules, sleeping schedules and meal times; planned napping; consideration of the work environment; and newer techniques such as using bright lights and melatonin.
While this information is known to the research community, it has not filtered down to many shift work workplaces and thus has had little if any positive effect on actual shift work practices. For a change in shift work practices to occur, the research knowledge must become available to every shift work workplace, as must some incentive or motivation to ensure that workplaces make the necessary changes.
The Occupational Health and Safety (OHS) laws provide such a framework. Considering shift work as an OHS hazard would ensure that all shift work workplaces identified the hazards of shift work, conducted a risk assessment to identify the risk associated with the hazards, and then implemented the appropriate strategies, from the hierarchy of shift work hazard control measures, for both employers and employees, to fulfil their duty of care to minimise the risks. Considering shift work as an OHS issue would ensure that the research information was used as intended - to improve the safety, performance, and quality of life of all shift workers. The present thesis reviews the shift work research and introduces an OHS perspective as a method to manage shift work effectively.
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Wong, Imelda S. Y. "Shift work, stress and heart disease among paramedics." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43496.
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Shift work and work-related stress is a rising concern among the workforce population because of the potential link to cardiovascular disease (CVD). While these exposures are common in emergency services, there are few studies examining if these factors increase CVD risk among paramedics. The aim of this dissertation is to address this research gap.
The first study examined neuroendocrine activity related to shift work and job strain. Shift workers (n=14) reported higher job strain than daytime workers (n=7) and exhibited neuroendocrine dysregulation through salivary biomarkers (alpha-amylase and cortisol) and subclinical CVD indicators (heart rate variability and endothelial functioning). The sampling protocol developed in this study can be used for future, large-scale field studies.
The second and third studies used records of emergency runs attended by British Columbia (BC) paramedics between 1990/1 and 2002 to derive exposures, and administrative records from the BC Linked Health Database to ascertain CVD cases.
The second study used a nested case-control design with 11 years follow-up (n = 183 – 742). Three controls were matched per case by age, sex and first year of employment. Results of conditional logistic regression did not support hypotheses that shift work was associated with hypertension, chronic coronary syndrome nor acute coronary syndrome; nor that time away from shift work may reduce the risk of CVD. However, development of novel shift work metrics which incorporated periods of neuroendocrine dysregulation and recovery should be considered in future studies.
The third study used a case-crossover design to compare exposures during 4 days prior to onset of acute coronary events to exposures in 4 randomly chosen days in the month prior for each acute coronary case (n=65). Results suggest non-significant increased risks of acute coronary syndrome were associated with busy work days, high-stress emergencies and discrepancies between dispatched information and diagnosis at the scene. A delay in onset of acute coronary events was also observed. Results suggest current psychological debriefing sessions may not be effective and that considerations should be made to improve mental health programs to reduce psychological strain.
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Turner, Amy L. "Secondary Analysis of Firefighter Injuries and Shift Work." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1275922762.
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Buxton, Sandra. "Shift work: An occupational health and safety hazard." Thesis, Buxton, Sandra (2003) Shift work: An occupational health and safety hazard. Masters by Research thesis, Murdoch University, 2003. https://researchrepository.murdoch.edu.au/id/eprint/495/.
Full textAbstract:
Shift work is a major feature of modern work practices. It involves individuals working at times considered unconventional for most workers, such as at night. Although the community often benefits from such work practices, shift work can be hazardous, for both the workers and the community.
The thesis reviews the main problems of shift work, especially when involving night work. These are: an increased risk for accidents and errors; increased sleepiness and fatigue due to difficulties sleeping; increased health problems; and disruption to family and social life. Strategies to limit the risk associated with these hazards are also reviewed, and include using knowledge of circadian principles to plan shift schedules, sleeping schedules and meal times; planned napping; consideration of the work environment; and newer techniques such as using bright lights and melatonin.
While this information is known to the research community, it has not filtered down to many shift work workplaces and thus has had little if any positive effect on actual shift work practices. For a change in shift work practices to occur, the research knowledge must become available to every shift work workplace, as must some incentive or motivation to ensure that workplaces make the necessary changes.
The Occupational Health and Safety (OHS) laws provide such a framework. Considering shift work as an OHS hazard would ensure that all shift work workplaces identified the hazards of shift work, conducted a risk assessment to identify the risk associated with the hazards, and then implemented the appropriate strategies, from the hierarchy of shift work hazard control measures, for both employers and employees, to fulfil their duty of care to minimise the risks. Considering shift work as an OHS issue would ensure that the research information was used as intended - to improve the safety, performance, and quality of life of all shift workers. The present thesis reviews the shift work research and introduces an OHS perspective as a method to manage shift work effectively.
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Buxton, Sandra. "Shift work : an occupational health and safety hazard /." Access via Murdoch University Digital Theses Project, 2003. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20040302.154645.
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Tahghighi, Mozhdeh. "Resilience in Nurses Working Shift Work in Australia." Thesis, Curtin University, 2018. http://hdl.handle.net/20.500.11937/69326.
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The aim of this study was to investigate the impact of shift work on resilience and associated mental health and professional quality of life of nurses. Overall, this study found nurse shift workers had significantly lower levels of compassion satisfaction compared to non-shift workers, and they are coping with unique stressors that are in addition to the general stress all nurses are facing.
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Foldal, Vegard Stolsmo. "Personal Dispositions and Shift Work Tolerance. A Longitudinal Study of Shift Workers in Trondheim Municipality." Thesis, Norges teknisk-naturvitenskapelige universitet, Psykologisk institutt, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-26637.
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The aim of the present study was to investigate how dispositional resistance to change (RTC) and neuroticism could predict shift work tolerance (SWT) over a period of six months. Electronic questionnaire were completed by 74 shift workers employed in Trondheim municipality in January 2013 (T1) and in June 2013 (T2). The results showed that age, gender, neuroticism, and RTC were related to SWT. Age at T1 predicted better SWT at T2, while male gender predicted worse SWT at T2. RTC at T1 predicted better SWT at T2, while neuroticism at T1 predicted worse SWT at T2. The findings suggest that individual differences, especially neuroticism, can predict SWT over a period of six months.
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Cohen, Emelie, and Eva Lagrelius. "Dygnet runt : En litteraturöversikt om skiftarbetets konsekvenser på sjuksköterskor och deras arbete." Thesis, Ersta Sköndal högskola, Institutionen för vårdvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:esh:diva-4299.
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Bakgrund: Skiftarbete är en vanlig arbetsmodell för sjuksköterskor runt om i världen. Skiftarbete är dock förknippat med negativa konsekvenser så som dygnsrytmsstörning och ohälsa. Det är därför viktigt att tydligare belysa hur skiftarbete påverkar sjuksköterskor och den vård som ges. Syfte: Att beskriva skiftarbetes konsekvenser på sjuksköterskor och deras arbete. Metod: En litteraturöversikt baserad på 14 kvantitativa studier hämtade från PubMed. Använda sökord var: shift work, nurse, patient safety och fatigue. Översikten har gjorts enligt Friberg (2012a), där likheter och teman skapats utifrån studiernas resultat. Resultat: Långa och snabbroterande skift kan bidra till utbrändhet, sömnsvårigheter, fatigue och ökad misstagsfrekvens. Långa skift är trots detta uppskattat av många sjuksköterskor då det innebär kortare arbetsvecka. Det är dock av stor vikt att man får möjlighet att återhämta sig ordentligt. Diskussion: Resultatet knyts an till Kims (1987) teori om omvårdnadens domäner och skiftarbetets konsekvenser på sjuksköterskan, interaktionen och miljön diskuteras. Utformandet av hälsosamma arbetsmiljöer där sjuksköterskans och patientens säkerhet prioriteras är av stor vikt för att förebygga skiftarbetets konsekvenser.Background: Shift work is common among nurses all over the world. It has been related to negative consequences like circadian rhythm disorders and health issues. Hence it is important to illustrate how shift work is affecting nurses and the care they are giving. Aim: To describe the consequences shift work has on nurses and their work. Method: A literature review based on 14 quantitative studies, collected from PubMed. The search terms were: shift work, nurse, patient safety and fatigue. The studies have been investigated and analyzed with influence by Friberg (2012a), where similarities and themes were identified. Results: Extended and quickly rotating shifts contributes to burnout, sleep disturbances, fatigue and elevated frequency of errors. Despite this, many nurses are satisfied with working extended shifts since it shortens their workweek. A central aspect is the opportunity to recover between shifts. Discussions: The authors discuss the results based on Kim’s (1987) theory on nursing domains, and the consequences of shift work on nurses, client-nurse interaction and environmental factors. Forming healthful work environments where the safety of both nurses and patients are prioritized are crucial to prevent negative consequences of shift work.
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Plante, Nicole Jean. "Work shift food delivery strategies during arduous wildfire suppression." CONNECT TO THIS TITLE ONLINE, 2007. http://etd.lib.umt.edu/theses/available/etd-05312007-145822/.
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Gibbs, Michelle A. "Consequences of shift work on circadian rhythms and metabolism." Thesis, University of Surrey, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418079.
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Ribeiro, David. "Hormonal and metabolic responses in simulated and real shift work." Thesis, University of Surrey, 1999. http://epubs.surrey.ac.uk/843353/.
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Coronary Heart Disease (CETO) is one of the most common causes of mortality in industrialised societies, and it has been demonstrated elsewhere that shift workers have an increased risk of developing CHD compared to day-workers. One possible explanation for this increased risk is that a shift worker may show inappropriate postprandial responses to a night-time meal, when their biological clock is not adapted to the night shift. This could lead to an elevation in the circulating levels of certain hormones and metabolites, such as triacylglycerol (TAG) and insulin, which are known to be risk factors for CHD. This thesis investigated the relationships between meal times and postprandial hormone and metabolic responses in simulated and real-life shift-workers. The work is presented as three major clinical trials. In the first of these, a combination of timed bright light and darkness/sleep was used to induce a gradual 9-hour phase advance in 12 healthy subjects, who then underwent a rapid 9-hour phase delay. Three meal study days were arranged, to occur during the baseline condition, immediately after the rapid phase delay, so that the subjects effectively had "simulated jet lag", and two days later. Blood parameters measured included plasma glucose, insulin, proinsulin, C-peptide, non-esterified fatty acids (NEFA), TAG and glucose- dependent insulinotropic polypeptide (GIP). Substantial differences in plasma TAG and NEFA were observed in the postprandial responses when the subjects consumed an identical meal immediately after the rapid phase delay, compared with during the baseline conditions. Two days after the rapid phase delay, subjects showed inteimediate hormone and metabolite levels, suggesting that the biological clock had a major effect on these postprandial responses. In the second study, day and night-time postprandial responses were compared in a simulated shift work environment, and the effectiveness of a number of potentially beneficial procedures was investigated. These included alterations to the content of the meal consiraied prior to the night shift, bright light exposure during the night shift, and a daytime rest period prior to the night shift. As in the first study, significant differences were seen in a number of hormones and metabolites on the night shift. compared with during the day. The content of the previous meal, bright light exposure and a daytime rest period prior to the night shift all had significant effects on the night-time postprandial responses. The most exciting discovery made was that a single 8-hour night-time bright light exposure significantly lowered the TAG postprandial responses on the simulated night shift. As all the work conducted up until this point had utilised simulated conditions, it was important to illustrate that similar differences in postprandial responses at night-time could be demonstrated in "real-life shift workers". Thus, nine midwives were recruited from the Royal Surrey County Hospital, and studied on four occasions. This allowed comparison of postprandial responses on both day and night shifts, and also allowed further investigation of the effect of altering the content of the previous meal. Significant differences were again found in a number of blood parameters when the night-time and day-time responses to the test meal were compared, with the most striking being a delayed NEFA rise on the night shift, compared with during the day. In conclusion, this series of studies have illustrated that the human body responds differently to a meal consumed at night-time, compared with during the day, both in a simulated and a real-life environment. This results in variations in the levels of a number of known CHD risk factors, and may be linked with the elevated CHD risk reported in shift workers. Alteration to the meal prior to the night shift, exposure to bright light during the night shift, and instituting a rest period prior to the night shift, were all shown to be potentially beneficial in reducing the variation between day and night-time responses.
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Boop, Donielle L. "Expanding the Second Shift: Exploring Women's Work in Elder Care." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1267795261.
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He, Chunhui. "Physical and Psychosocial Demands on Shift Work in Nursing Homes." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1378393703.
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Boop, Donielle. "Expanding the second shift exploring women's work in elder care /." Cincinnati, Ohio : University of Cincinnati, 2010. http://rave.ohiolink.edu/etdc/view.cgi?acc_num=ucin1267795261.
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Thesis (M.A.)--University of Cincinnati, 2010.Advisor: Paula J. Dubeck. Title from electronic thesis title page (viewed Apr. 20, 2010). Includes abstract. Keywords: gender; intergenerational relationships; caregiving. Thesis successfully defended in 2009. Includes bibliographical references.
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Apellido, Raymundo Mintac. "Night Shift Work and Weight Gain among Female Filipino Nurses." ScholarWorks, 2017. https://scholarworks.waldenu.edu/dissertations/4497.
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The research problem is the increasing numbers of overweight and obese nurses working the night shift. Study on overweight and obesity among female Filipino nurses has not been conducted. It was important to conduct a research study among female Filipino nurses to find out if there are statistically significant associations between night shift work and weight gain. The purpose of this correlational and cross-sectional study was to determine if there are statistically significant associations between insufficient sleep, abnormal eating patterns, working 12-hour shifts, years of working night shift, age, stress, marital status, nursing units, decreased physical activity, and level of weight gain among female Filipino nurses working the night shift in the hospital. The theoretical base of this study was the locate evidence, evaluate evidence, assess evidence, and informed decision model. The survey questionnaire was constructed and an online survey through Survey Monkey was used to access nurses via a convenience sampling. Data were analyzed using Spearman correlation, multiple regression, and ANOVA. According to study findings, there were significant associations between insufficient sleep, abnormal eating patterns, marital status, 12-hour shifts, number of years working on night shift, and increased in body mass index. The implications for social change include information that nurses can use to better understand the negative implications of night shift work on health. At the organizational level, this study provides information for administrators and nursing leaders that might facilitate change in policies by improving working conditions for nurses.
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Karlsson, Berndt. "Metabolic disturbances in shift workers." Doctoral thesis, Umeå : Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-242.
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Morris, Christopher J. "Relationships between body mass index, appetite regulation and physical activity during shift-work and night-work." Thesis, Liverpool John Moores University, 2010. http://researchonline.ljmu.ac.uk/5955/.
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Approximately 3.6 million individuals in the UK are involved in a type of shift-work which impinges on the normal nocturnal sleeping period. This prevalence has significance considering that shift-work is a risk factor for many health problems including cardiovascular disease, breast cancer, metabolic syndrome, obesity and gastrointestinal symptoms (e.g., constipation). These health inequalities are generally under-researched. Past studies have also focused on chrono-biological related reasons (e.g., exposure to light at night) rather than lifestyle factors. Physical activity is reported to be beneficial for many aspects of day-worker's health. However, there is a dearth of knowledge regarding the relationship between physical activity, adiposity and gastrointestinal symptoms in shift-workers. Thus, the aim of this thesis was to explore, using a multidisciplinary approach, the relationships between body mass index (8M I), appetite regulation, gastrointestinal health and physical activity during shift-work and night-work. In the first study (presented in Chapter 3), a cross-sectional study design was adopted to explore the relationships between 8MI, gastrointestinal symptoms and leisure-time physical activity (LTPA) in shift-workers. The data from this study indicated that the least active shift-workers had the highest mean 8MI, 73% of these workers being overweight or obese. Nevertheless, dose-response effects of LTPA on 8MI were not evident. A positive relationship was present between physical activity level and frequency of heartburn but not other digestive symptoms (e.g., diarrhoea). In the studies presented in Chapters 4 and 5, the effects of an acute bout of evening exercise upon appetite-related factors were investigated during a simulated night-shift. In Chapter 4, the protocol was characterised by a feeding schedule typically adopted by many shift-workers, Le. eating smaller but more frequent portions of food rather than one large meal. In contrast, the protocol in Chapter 5 was characterised by a feeding schedule designed to be more in line with what day-workers do during their work-period, i.e. eating one larger meal 3-4 h after the work period has started. Findings from Chapter 4 indicate that, unlike after diurnal exercise, circulating concentrations of acylated ghrelin and leptin during a night-shift are increased by prior evening exercise. However, hunger during the night-shift was unaffected by prior evening exercise in this study. In the subsequent experiment involving one large meal, nocturnal concentration of serum leptin was increased by exercise but there was little effect on plasma acylated ghrelin level. Again, night-shift hunger was unaffected by prior evening exercise. Taken together, these findings indicated that exercise mediates different effects on appetite-related hormones at night and that meal frequency is an important factor which regulates the response of acylated ghrelin, but not leptin. Despite the above findings, mean night-shift hunger was unaffected by evening exercise, regardless of meal frequency. This implies that a compensatory increase in food intake during the night-shift in response to prior exercise may not occur, thus supporting the notion that exercise can mediate a negative energy balance which might attenuate body mass gain in shift-workers. The study presented in Chapter 6 determined the within-subject correlations between factors that regulate appetite in the post-exercise period. This study explored how circulating levels of acylated ghrelin and leptin are controlled at night following evening exercise. The findings from Chapter 6 suggested that exercise related changes in plasma acylated ghrelin concentration are negatively correlated to those in circulating levels of glucose and insulin, but not those in non-esterified fatty acids (NEFA) or triglyceride. The aforementioned Significant correlations were not reported in daytime studies. Post-exercise alterations in serum leptin level were also found to be related to those in circulating levels of insulin but not those in glucose, NEFA or triglyceride. The exercise-related alterations in circulating level of acylated ghrelin, but not leptin were correlated with the changes in hunger during the post-exercise period throughout the night. In the study presented in Chapter 7, a randomised controlled trial was employed to examine the effect of altering (via motivational interviewing over a three month period) a shift-worker's physical activity and dietary habits on their adiposity and gastrointestinal symptoms. The findings presented in Chapter 7 indicate that a 12-week motivational interviewing intervention which focused upon increasing physical activity level and improving dietary habits significantly attenuated an increase in 8MI, but not waist-to-hip ratio or frequency of digestive symptoms in UK shift-workers. In summary, this thesis makes a significant contribution to the field of physical activity and shift-work. This thesis demonstrates that relationships between 8MI, appetite regulation, gastrointestinal health (l.e., heartburn) and physical activity do exist during shift-work and night-work.
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Marino, Jennifer L. "Occupation, shift work, and T3111C hCLOCK polymorphism and risk of endometriosis /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/10871.
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Lilly, Lindsey Marie. "Examining the Relation of Psychological Distress to Shift Work in Firefighters." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/7312.
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Firefighters experience stressful job demands. Many of them work in shifts that can extend to 96-hour rotations. Firefighters also tend to suffer from poor sleep quality and psychological distress; however, there are conflicting findings on how these factors may relate to each other. The purpose of this quantitative survey study was to examine the relation between symptoms of depression, anxiety, posttraumatic stress disorder (PTSD), and alcohol abuse to shift duration in firefighters who work 24-hour shifts compared to those who work 48-hour shifts, with sleep quality as a mediating variable. The repair and restoration theory of sleep was the theoretical framework. One hundred forty-three adult firefighters employed in the midwestern region of the United States completed a demographic questionnaire, the Pittsburgh Sleep Quality Index, and the Psychiatric Diagnostic Screening Questionnaire using an online survey to help ensure anonymity. The results of a multivariate analysis of covariance indicated that anxiety [F (1, 140) = 4.042, p = .042; F (1, 140) = 4.521, p = .035] and alcohol abuse [F (1, 140) = 12.497, p = .001; F (1, 140) = 12.686, p =.001] were both significantly related to shift duration before and after controlling for sleep quality, with individuals in the longer shifts reporting more distress. PTSD was not significantly different between the groups; however, a trend emerged for longer shifts to be related to more distress after controlling for sleep quality. The findings of this research may be used to promote social change by improving the lives of firefighters and the communities they serve, as well as educating decision makers with information needed to address potential mental health burdens of shiftwork in this population.
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Balestra, Alisa. "Shift in Work, Shift in Representation: Working-Class Identity and Experience in U.S. Multi-Ethnic and Queer Women's Fiction." Miami University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=miami1303080667.
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Swartz, Beryldene Lucinda. "Experiencing night shift nursing: a daylight view." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&.
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This study focused on nurses who work the night shift, and on some of the aspects of their lives. The objectives of the study were to identify and describe these experiences with specific reference to the physical, social and work-related effects.
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Kantermann, Thomas. "Challenging the human circadian clock by Daylight Saving Time and Shift-Work." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-94289.
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Stein, Friedrich [Verfasser]. "Shift work design and worker absenteeism : four econometric case studies / Friedrich Stein." Paderborn : Universitätsbibliothek, 2015. http://d-nb.info/1075547075/34.
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De, Iaco Gilda Assunta. "The consequences of shift work : job performance, job satisfaction, and social life." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ40190.pdf.
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Wehrens, Sophie Michelle Tisia. "Effect of sleep deprivation and shift work on metabolic and cardiovascular function." Thesis, University of Surrey, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531388.
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Hewson, Sandra M. "Control, shift, insert : living and enacting policy in teachers' day/night work." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/63495/1/Sandra_Hewson_Thesis.pdf.
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This thesis investigates the experiences of teachers who trialled an electronic curriculum and assessment tool in the wider context of text-mediated ruling relations organising their work. Problematised as policy and text, this tool is interrogated as a 'solution' to problems perceived in teachers' work in an era of increased accountability. It provides evidence that teachers' work is shaped by forces operating outside their control and mediated by the policy discourses and subjectivities available to them.
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Munton, Lynne Kerry. "The effects of night work and task diversification on efficiency of performance." Thesis, Rhodes University, 1998. http://hdl.handle.net/10962/d1018253.
Full textAbstract:
This study investigated the effects of night work on performance efficiency. Night work is generally acknowledged to impair performance, yet much research has contradicted this assertion. The feasibility of including brief periods of physical activity to stimulate arousal within mentally demanding work shifts was also evaluated. Thirty six postgraduate volunteers were assigned to either the cognitive tasks (CT) or cognitive and motor tasks (CMT) group. All subjects performed three psycho-motor tests, using the Vienna Test System, at midday and midnight. The CMT group performed a short cycling activity before each test. Heart rate responses served as physiological measures, the Perceived Strain Scale was used to quantify individual perceptions of strain and performance efficiency was assessed in terms of speed and accuracy. Although several trends were apparent, no significant differences (p < 0.05) were revealed with respect to the three performance variables between the midday and midnight test sessions, or between the CT and CMT subjects, other than the higher heart rates recorded in the CMT group. In summary, neither time of day nor physical activity were found to affect performance within the controlled environment of this study.
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Willis, Thomas Andrew. "Effects of morningness-eveningness and psychosocial work stress upon cardiovascular activity and mood : evidence from shift working and non-shift working samples." Thesis, University of Leeds, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424231.
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Hall, Amy. "A program of research addressing exposure assessment in epidemiological studies of shift work." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/63152.
Full textAbstract:
BACKGROUND
Shift work is common with wide-ranging implications for worker health. It is also complex, presenting challenges for exposure assessment in epidemiological studies and the development of strong evidence to inform health interventions and policies. This dissertation generated new information on the measurement, assignment, and determinants of shift work exposure, in order to address important limitations in this field of epidemiology.
METHODS
In Chapter 2, 152 full-shift personal light-at-night measurements were collected from 102 shift workers in emergency services and healthcare to investigate exposure variability and different exposure metrics. In Chapter 3, multiple exposure indicators were constructed for a national survey of nurses (n=11,450) to demonstrate the impacts of exposure assignment on observed relationships between shift work and depression. In Chapter 4, interviews were conducted with 88 employers in one Canadian province to examine determinants of workplace-level shift work policies and practices.
RESULTS
In Chapter 2, average light-at-night exposures varied across occupations and settings; between-group variance exceeded between-worker and within-worker variance, and all exposure metrics were moderately-to-highly correlated. In Chapter 3, the strongest relationships between shift work and depression were observed in the model with highest exposure precision, defined by shift timing and rotation intensity, whereas weak relationships were observed in models with lower exposure precision, defined by shift timing or presence/absence of shift work. In Chapter 4, long duration shifts varied by industry and were more likely in large workplaces; shift work education/training was more likely in large workplaces and those without seasonal shift work; and nighttime lighting policies were more likely in workplaces reporting that maintenance, client service needs, or prior nighttime incidents affected shift work.
CONCLUSIONS
This dissertation can inform future epidemiological studies of shift work. Chapter 2 identified high-level exposure indicators (e.g., occupation groupings) and flexibility in the choice of highly correlated metrics for light-at-night exposure studies. Chapter 3 showed that increasing the precision of exposure assignment reduced measurement error and effect attenuation for the outcome of depression. Chapter 4 identified determinants of workplace-level shift work policies and practices (e.g., industry, employer size, temporary work, and employer motivations) to consider in future research and interventions.Medicine, Faculty of
Population and Public Health (SPPH), School of
Graduate
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James, Francine O. "Circadian adaptation to full-time night shift work with bright light intervention regimen." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31243.
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The primary consequence of night shift work is a misalignment of the endogenous circadian pacemaker with the inverted sleep-wake cycle. This study evaluated the efficacy of a judicious schedule of light exposure on circadian adaptation to night work. Fifteen night shift workers (mean age +/-S.E.M.: 41.8 +/- 1.8 years) were studied for 3 weeks in their work environments under one of two experimental conditions. Treatment group participants underwent an intervention including bright light in the workplace, while control group participants were studied in their habitual light environments. The efficacy of the intervention was evaluated in the laboratory via constant routines. Following the intervention, treatment group subjects displayed a mean phase delay of (+/-S.E.M.) -9.32 +/- 1.06 hours and full entrainment to the night-oriented schedule while control group subjects displayed a phase delay -4.09 +/- 1.94 hours and a partial entrainment (F(1,30) = 11.33, p = 0.002). The results of this study suggest a means of alleviating the difficulties associated with night shift work with control of the overall pattern of light exposure.
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鄭淑慧 and Shuk-wai Sherry Cheng. "Night shift work and risk of breast cancer in women: a literature review." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B47560046.
Full textAbstract:
Background
Night shift work is inevitable for maintaining continuous services in different sectors e.g. healthcare, financial, transport and service sectors. Night shift work increases exposure of light at night. Exposure of light at night suppresses production of a neurohormone melatonin. Melatonin has shown potential cancer protective action in animal experiments. Melatonin deficiency is suggested to be related to the development of various cancer especially breast cancer. Breast cancer incidence in Hong Kong is rising. Particular concern about association between night shift work and breast cancer is raised.
Objective
To collect evidence from studies of other countries with study populations of different professions and to evaluate the relationship between night shift work and breast cancer
Method
MEDLINE was searched to identify publications, limited to English articles, from 1973 to May 2011. Search terms include (circadian rhythm or night work or night shift or shift work or work schedule tolerance) and (cancer or neoplasm or neoplasia) and (risk or rate or incidence). No restriction was set to the publication type.
Results
Altogether 343 titles retrieved from MEDLINE search. Finally, 8 primary observational studies that met inclusion criteria were identified for this review. Of these, two were prospective cohort studies, one was retrospective cohort study, two were nested case-control studies and three were case-control studies.
Most of the study had crude exposure assessment of night shift work, in which four studies relied on group level of exposure probability instead of individual exposure information. Six of eight studies showed positive results on the association of night shift work and breast cancer in women. Three studies found that risk of breast cancer was increased significantly for those who had engaged in night shift work in a long duration i.e. more than 20-30 years, but they were all conducted in populations of same occupational group i.e. nurse and only a moderate increase of breast cancer risk was found. The results were subject to confounding and bias. No consistent results were found for effect of shorter duration of night shift work on risk of breast cancer.
Conclusion
Based on the studies included, there is suggestive evidence of an association of night shift work and breast cancer. Further studies on this are needed. Involvement of population of different occupational groups, controlling confounder of hormone use and conducting exposure assessment with high reliability using individual information instead of that from group are suggested.published_or_final_version
Community Medicine
Master
Master of Public Health
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Huysamen, Kirsten Christina. "Validation of an assessment tool for mental fatigue applied to rotational shift work." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013551.
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Mental fatigue has been proven to be highly prominent during shift work, due to long, irregular working hours and disruption of the circadian rhythm. Measuring mental fatigue has been a challenge for many years, where commonly cognitive test tasks are used to assess mental fatigue. Moreover, these test tasks do not isolate where fatigue is occurring during human information processing. The human information processing system consists of four core stages, each of which requires numerous cognitive functions in order to process information. The Human Kinetics and Ergonomics Department at Rhodes University has developed six cognitive test tasks where each isolates a cognitive function: an accommodation test task, a visual detection test task, a reading test task, a memory test task, a tapping test task and a neural control test task. The cognitive functions include: eye accommodation, visual discrimination, visual pattern recognition, memory duration, motor programming and peripheral neural control. General task-related effect can also be examined for each of these cognitive test tasks which include choice reaction time, visual detection, reading performance, short-term memory, motor control and tracking performance. Additionally, a simple reaction time test task has been developed to analyse simple reaction time. This test task does not isolate a cognitive function. One or more parameters can be examined for each cognitive function and task-related effect. The first aim of this study was to validate numerous cognitive test tasks for mental fatigue in a simulated shift work laboratory setting. The second aim was to assess the validated cognitive test tasks in Phase 1 in a field-based rotational shift work setting. Parameters revealing sensitivity to mental fatigue would be validated for mental fatigue applied to rotational shift work and would be inserted into an assessment tool. In the laboratory setting, the seven cognitive test tasks were examined on four different types of shift work regimes. The first regime was a standard eight-hour shift work system, and the other three were non-conventional shift work regimes. Participants (n = 12 per regime) were required to complete one day shift followed by four night shifts, where testing occurred before and after each shift and four times within each shift. The cognitive test tasks revealing sensitivity to fatigue included: visual detection test task, reading test task, memory test task, tapping test task, neural control test task and simple reaction time test task. The testing of Phase 2 was conducted in three different companies, where each performed a different type of rotational shift work. The six cognitive test tasks validated for mental fatigue in Phase 1 were tested before and after work for each shift type within the rotational shift work system adopted by each company. Company A (n = 18) and Company B (n = 24) performed two-shift rotational shift work systems, where the shift length of Company A was 12-hours and the shift length of Company B was irregular hours. Company C (n = 21) performed an eight-hour three-shift rotational shift work system. Nine parameters revealed fatiguing effects and were inserted into the assessment tool, five of which provided information on a specific cognitive function: error rate for visual discrimination, processing time for visual pattern recognition, error rate for visual pattern recognition, impact of rehearsal time on memory recall rate for memory duration and the high-precision condition for motor programming time. The remaining four parameters provided information on general task-related effects: reading speed for reading performance, recall rate for short-term memory, reaction time for motor control and simple reaction time. Therefore, an assessment tool comprising nine parameters was validated for mental fatigue applied to rotational shift work, where five of the parameters were able to isolate exactly where fatigue was occurring during human information processing and the other four parameters were able to assess fatigue occurring throughout the human information processing chain.
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Snöfjord, Snöfjord, and Östlund Linda Tapper. "The Role of Shift Work on Psychological Well-being on Swedish Single Mothers." Thesis, Örebro universitet, Institutionen för juridik, psykologi och socialt arbete, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-70743.
Full textAbstract:
The purpose of the present work was to study the psychological well-being of shift working single mothers in comparison with shift working cohabiting mothers, single mothers working regular hours and cohabiting mothers working regular hours. This was done using the four scales: Perceived stress, perceived social support, general health and satisfaction with life. The convenience sample consisted of Swedish care workers and nurses, who answered a questionnaire. The responses were tested through a 2 x 2 MANOVA. The results showed that there was a significant difference in psychological well-being between single and cohabiting mothers, but no difference among shift working and regular working mothers, and no interaction effects of the four scales on the four groups of mothers. While single mothers’ psychological well-being was worse than cohabiting mothers’, there was no significant difference among shift workers and regular day workers. The psychological well-being of shift working single mothers did not significantly differ from shift working cohabiting mothers, single mothers working regular hours and cohabiting mothers working regular hours. The results are discussed with respect to previous research and we concluded that among Swedish mothers, being a single mother can have more impact on well-being than working shifts.
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Barter, Trenholm Sharon. "The satisfaction of police officers and their spouses with 12-hour shift work schedules." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq25820.pdf.
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Abram, Jan. "The survival of the object : does Winnicott's work constitute a paradigm shift in psychoanalysis?" Thesis, Middlesex University, 2004. http://eprints.mdx.ac.uk/6528/.
Full textAbstract:
This context statement provides a critical overview of my work on D.W. Winnicott, as seen in the submitted works, and demonstrates that my critical orientation develops the field, and thus justifies my claim for the award of PhD by published works. To provide a background to my work, I begin with an outline of the context in which my work on Winnicott emerged. This is followed by a brief presentation of the publications of D.W.Winnicott to illustrate the nature of my task in organising his work. I introduce a summary of the submitted works and show how they relate to each other. I begin the second section with a concise account of the evolution of psychoanalysis that results in a Freudian paradigm, in order to illustrate the context out of which Winnicotfs work evolved. This is followed by a résumé of the principal theories in Winnicott's work to show that my comprehensive organisation of the themes and concepts provides a demonstration that Winnicott's theoretical matrix extends psychoanalytic thought and proves him to be one of the most significant innovators in psychoanalysis since Freud. This section is an exemplification that my work on Winnicott, as seen in the main volume of the submitted works - The Language of Winnicott- and elaborated by the other submitted works - constitutes an original contribution to knowledge. I further my claim for a PhD by published works by showing that in addition to my organisation of Winnicott's work I make a step towards extending Winnicott's theory through my introduction of the notion of a "surviving object. In The Lanauaae of Winnicott I lay stress on two fundamental concepts at the heart of Winnicott's theoretical matrix - 'the use of an object and violation of the self. In my clinical paper, Squiggles, clowns and Catherine Wheels, I discuss further these core concepts and show how they allude to the beginning of a new concept - "the surviving object”. Here I elaborate this concept with reference to my clinical work. This section offers further evidence that my original contribution to knowledge, as seen in the submitted works and underpinned by this statement, advances the field for future research in Winnicott's theories. In the third section I explore my development as a researcher and describe my methodology in writing the submitted works. I discuss my style of learning and the value of my trainings in psychoanalytic psychotherapy and psychoanalysis, and comment on the distinction between the psychoanalytic paradigm I carry with me in my clinical practice and the research paradigm I make use of in my research. This is followed by a reflection on the limitations of my research and I conclude this context statement with an outline of the consequences of my work. Thus the submitted works, in conjunction with this statement, affirm that my work on Winnicott provides a way of thinking through the question concerning a Wìnnicottian paradigm shift in psychoanalysis.
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Hittle, Beverly M. "Elusive Sleep: Healthcare Workers, Shift Work, and Implications for Worker Health and Patient Safety." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1562059911010694.
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Wahlstedt, Kurt. "Postal work - work organizational changes as tools to improve health." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2001. http://publications.uu.se/theses/91-554-4994-8/.
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Blood, Mary Lee. "A comparison of circadian rhythms in day and night shift workers." PDXScholar, 1990. https://pdxscholar.library.pdx.edu/open_access_etds/3991.
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The present study examined whether and to what extent physiological rhythms of long-term . night workers become adapted to their unconventionally scheduled hours of work and sleep and how the degree of adaptation would be reflected in ratings of sleep quality, mood, anxiety, energy and satisfaction.
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Wieners, Carrie J. Williams Stephen L. "Museum leadership a possible shift in gender representation /." Waco, Tex. : Baylor University, 2007. http://hdl.handle.net/2104/5105.
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Okundolor, Sunday Iken. "Promoting Nurses Management of Night Shift Sleepiness." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/6466.
Full textAbstract:
Nurses are largely unaware of the problems of night-shift-nurse sleepiness and available strategies to manage night-shift sleepiness. The purpose of this project was to examine nurses' self-perception, awareness of sleepiness, and current strategies to manage this problem in the emergency medicine department of a major academic hospital in the western United States. The validated de-identified Karolinska Sleepiness Scale (KSS) was used to measure the prevalence and intensity of night shift nurses' sleepiness prior to the development of an educational program on strategies to manage sleepiness. Of the 164 registered nurses surveyed, 72 (43.9%) reported sleepiness greater than 7 on the KSS. An educational program was developed and evaluated by a panel of 6 experts who were selected on their clinical, educational, quality improvement, and research in sleep studies. Expert reviews indicated that the education program was 100% relevant, appropriate, and understandable, and provided adequate information on the topic with no recommended changes. The education program was presented to 16 night shift nurses with a pre/posttest survey completed by 14 nurses. Results indicated that participating nurses increased their knowledge of managing strategies for sleepiness from 69% (agree or strongly agree) preintervention to 92% postintervention. Postintervention, there was a 50% increase in the number of nurses who reported benefits from the education intervention. The findings of this project contribute to positive social change by improving nurses' health and quality patient care by advancing nurses' awareness of night shift sleepiness and countermeasure management strategies.
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Van, Grenen Helen. "The effect of shift work on women shift workers." Thesis, 2010. http://hdl.handle.net/10539/7530.
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Yen, Chia-Ming, and 顏嘉民. "The study of work strain on nurses of shift work." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/33257351287273716851.
Full textAbstract:
碩士中國醫藥大學
中西醫結合研究所碩士班
97
Background: The nursing is a kind of shift work , the operating time changes unceasingly. That not only destroys the biological rule, but also disturbs the day-night rhythm. Diagnosis by feeling the pulse is a kind of important method for Chinese medicine. It is also a kind of unique method for diagnosis, prognosis, and judgment the condition of the patient. There is very widely use of HRV in a lot of research. In actually, it is a kind of simply, non-invasive tool for the observation of the activity of autonomic nerve. We will quantify the Empirical datum, which was collected from HRV and the instrument that can be diagnosed the differential of pulse. To find out the correlation between the change of autonomic nerve and the pulse in shift nurses. We also can afford the measure improving the working conditions. Material and methods: 33 nurses were enrolled this study. They were separated into 3 groups which depends on the care unit (OR, ICU, WARD) they were belonged. The ANS watch was adopted for measuring HRV and pulse diagnosis at the day-shift, before and after the 1st day of night-shift, before and after the 5th day of night-shift. Result: There is no significant difference in pulse diagnosis in 3 groups. We find some parameters of HRV were predominately related to age. And the parameters of HRV are independent of work unit, work strains, the duration of night-shift, the time of measuring.
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Chrng-CheLiu and 劉承哲. "Optimal Work Shift Scheduling and Fatigue Minimization." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/77318672618803568293.
Full textAbstract:
碩士國立成功大學
民航研究所
101
Feeling fatigued, a common experience for most working people, might be easily neglected and could be a critical potential threat in occupational safety. Especially shiftwork disrupts the sleep-wake cycle, leading to sleepiness, fatigue, and performance impairment, with implications for occupational health and safety. We provide a mathematical fatigue model to approximate the human body’s fatigue level, and we use mixed-integer programming which the shift assignments are described by binary integer to deal with employees’ shift and represent all of the constraints. We also consider every employee’s holiday preference as an objective to meet the preferences of each employee. On the other hand, an optimal solution has been applied to make the peak of fatigue level as low as possible and as far as possible to meet the preferences of each employee. We take a sample with aircraft maintenance crews, air traffic controller, and work-study students schedule to demonstrate the proposed methods.
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Hsu, Ching Tai, and 許靖岱. "A Survey of Shift Work in Nureses." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/73193583256013807133.
Full textAbstract:
碩士長榮大學
護理學系碩士班
100
Background:"Shift work" is a mandatory element to an organized working system, especially for the medical staff to provide patients with 24-hour services. Nursing personnel are the majority of the medical staff and require shift because of the characteristic of duties. Therefore, they are most influenced in the shift patterns of the medical duties. However, due to the differences of the situations of shift work among hospitals, it is hard to define a standard to obey. The purpose of this study is to investigate the current situations of the nursing personnel to provide a reference of the management of the nursing administration. Purpose:To investigate the current situation and satisfactory status of the nursing shift rotations. Method:943 female nursing employees from two hospitals in Tainan and Kaohsiung were enrolled. This study addressed 943 structural questionnaires after an IRB approval and received 817 in return. The response rate is 86.6%. Data were analyzed with a package software of SPSS 12.0 version to undergo descriptive statistics, such as percentage, mean, standard deviation and Chi-square test. Results:Most of those who were enrolled in this study graduated from the university (70.4%) are 31.3 years old in average, single (67.1%) and are qualified as N2 level (40.9%). Most of them worked for less than 10 years. 66.1% had 3 different shifts in one month and only 33.9% had fixed shifts. A combination of day and evening shifts is most favored (33.9%). The second is day, evening and night shifts for one month respectively (22.0%). The results showed the rotation pattern is undergone in the way of month cycle at most and most nurses favor a combination of rotation pattern with less than two different shifts (50.2%). Conclusion:Most nurses are obligated to participate in shift work and are satisfied with a combination of less than two different shifts. This study provides the clinical administrators with a basis to help in the assignment of shift work and a possible way of research in the future.
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Yu, Chang-en, and 余昌恩. "Assessment of Shift Work for Coastal Patrol Office." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/55995534818447839270.
Full textAbstract:
碩士華梵大學
工業工程與經營資訊學系碩士班
97
Following change of time, the year-round shift-work jobs without vacation is commonly seen in daily social life; with respect to coast guard authority, who will not be able to deal with emergency situations on costal waters and costal lines immediately in the absence of a shift system. From which the possibilities derived could cause damage to people’s life and property or even national security, implying the importance of implementing a shift system. For this reason, the issues on how to assess the best solution under “the characteristics of costal guard authorities in consecutive shift-work jobs,” and thereby enhancing administrative effectiveness in service and convenience, have become relatively more important. Consequently, this study aims to emphasize and “assess on the characteristics of shift-work patterns for Coast Guard Administration and the respective service and command department,” with basis on characteristics of coastal patrol shift work. The study integrates literature review with the characteristics of coastal patrol authorities in shift work, using Delphi Technique to summarize into 5 aspects for assessment including family impact, personal need, organizational resources, work effectiveness, and work environment, in addition to 16 assessment principles. Moreover, an assessment hierarchy structure is established and applied with Analytic Hierarchy Process (AHP) to obtain the assessment criteria and dimensions as well as the weight of possible options. The results of expert determination showed that the dimensions affecting the best shift-work patterns for Coast Guard Administration and the respective service and command department composed of: “work effectiveness” and “work environment” accounted for the most significance, followed by “organizational resources,” “family impact,” “education and training,” and organizational performance.” Whereas the order of priority for the best shift-work program was based on the “three-shift work system,” and followed by “half-day shift work system” and “four-shift work system.” The assessment of shift-work program determines the factors taken into account by the manager and employees in the process of shift-work implementation. The factors taken into account are also evaluated by the managerial level, while the decision-makers could appropriately schedule shift-work patterns through this assessment model, in order to enhance the optimal efficacy in shift-work workers.