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Articles de revues sur le sujet « Risk assessment – Vietnam »

Auteur : Grafiati
Publié le 10 mars 2023

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1

et al., Do. « Risk assessment for international construction joint ventures in Vietnam ». International Journal of ADVANCED AND APPLIED SCIENCES 4, no 6 (juin 2017) : 104–14. http://dx.doi.org/10.21833/ijaas.2017.06.015.

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Hai, Le Trinh, Anne Gobin et Luc Hens. « Risk Assessment of Desertification for Binh Thuan Province, Vietnam ». Human and Ecological Risk Assessment : An International Journal 19, no 6 (3 août 2012) : 1544–56. http://dx.doi.org/10.1080/10807039.2012.716688.

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Tuyet Hanh, Tran Thi, Le Thi Thanh Huong, Nguyen Thi Lien Huong, Tran Nu Quy Linh, Nguyen Huu Quyen, Nguyen Thi Trang Nhung, Kristie Ebi et al. « Vietnam Climate Change and Health Vulnerability and Adaptation Assessment, 2018 ». Environmental Health Insights 14 (janvier 2020) : 117863022092465. http://dx.doi.org/10.1177/1178630220924658.

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Background: The Global Climate Risk Index 2020 ranked Vietnam as the sixth country in the world most affected by climate variability and extreme weather events over the period 1999-2018. Sea level rise and extreme weather events are projected to be more severe in coming decades, which, without additional action, will increase the number of people at risk of climate-sensitive diseases, challenging the health system. This article summaries the results of a health vulnerability and adaptation (V&A) assessment conducted in Vietnam as evidences for development of the National Climate Change Health Adaptation Plan to 2030. Methods: The assessment followed the first 4 steps outlined in the World Health Organization’s Guidelines in conducting “Vulnerability and Adaptation Assessments.” A framework and list of indicators were developed for semi-quantitative assessment for the period 2013 to 2017. Three sets of indicators were selected to assess the level of (1) exposure to climate change and extreme weather events, (2) health sensitivity, and (3) adaptation capacity. The indicators were rated and analyzed using a scoring system from 1 to 5. Results: The results showed that climate-sensitive diseases were common, including dengue fever, diarrheal, influenza, etc, with large burdens of disease that are projected to increase. From 2013 to 2017, the level of “exposure” to climate change–related hazards of the health sector was “high” to “very high,” with an average score from 3.5 to 4.4 (out of 5.0). For “health sensitivity,” the scores decreased from 3.8 in 2013 to 3.5 in 2017, making the overall rating as “high.” For “adaptive capacity,” the scores were from 4.0 to 4.1, which meant adaptive capacity was “very low.” The overall V&A rating in 2013 was “very high risk” (score 4.1) and “high risk” with scores of 3.8 in 2014 and 3.7 in 2015 to 2017. Conclusions: Adaptation actions of the health sector are urgently needed to reduce the vulnerability to climate change in coming decades. Eight adaptation solutions, among recommendations of V&A assessment, were adopted in the National Health Climate Change Adaptation Plan.
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Le Duc, Anh, Lam Dao Duy, Chi Thai Thi Kim et Phuong Bach Thi Diep. « A machine learning approach to risk assessment of expressway bridges ». Transport and Communications Science Journal 73, no 7 (15 septembre 2022) : 661–73. http://dx.doi.org/10.47869/tcsj.73.7.1.

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The expressway network in Vietnam is developing strongly, playing the role of the backbone of the national road system, in which bridge construction accounts for a large proportion. With many specific characteristics and complex risks always hidden in all stages of the expressway project, risk assessment to have solutions and plans to prevent and respond to risks, limiting the impacts of quality assurance and operational safety of the works is essential. However, the current risk assessment and forecasting models still have many limitations. The application of Machine Learning to all aspects of life is getting more popular. This article develops the algorithms, models and program to assess the technical risks in the period of construction and service of expressway bridges in Vietnam using Machine Learning, in order to solve the current limitations in this work. The selection of key influencing factors is especially important in the field of risk assessment. It improves the classification model's performance by focusing only on the most important factors in the data. Via the applications of artificial neural networks and the Random Forest Algorithm in data processing, the performance risks for bridge management can be analyzed, and performed in more detail and exactly. The possible multiple and non-linear relationships of the risks can be investigated. Based on the results, the proposed model helps the managers to make optimum decisions on managing the risks in advance and to obtain sustainable solutions
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Dung, Tran Viet. « Enhancing the Environmental Impact Assessment for the Foreign Direct Investment Regime in Vietnam : an Analysis from Integration Perspective ». Yuridika 34, no 3 (23 août 2019) : 527. http://dx.doi.org/10.20473/ydk.v34i3.14943.

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Foreign direct investment (FDI) plays an important role in the economic growth of Vietnam, contributing to nearly 22 per cent of the GDP. To attract FDI the government has committed to promoting investment climate and ensuring FDI protection under various international arrangements. FDI inflows into the manufacturing and processing sectors have seen a strong increase after Vietnam’s successful accession to the WTO. However, FDI also contributes to various environmental problems and challenges in Vietnam. From 2008 to 2017, most serious environmental disputes related to manufacturing activities were caused by FDI enterprises. The sanctions against FDI enterprises, however, may jeopardise the state’s responsibilities under investment protection treaties. One of the few realistic approaches to strengthening the environmental management of FDI is to promote the participation of the public in the environmental risk assessment and amend the investment treaties to regulate the issue of environment management. This study will adopt an integrative approach by integrating the rules and principles of environmental management into the FDI regime of Vietnam.
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Phan, Phuong, Phong Nguyen et Quan Nguyen. « Assessment of quality risk factors during the construction phase of the Biconsi Tower project ». Journal of Process Management and New Technologies 10, no 3-4 (2022) : 1–8. http://dx.doi.org/10.5937/jouproman2203001p.

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Project performance is assessed using various criteria. Quality is one of the typical triangle criteria used to assess the performance of any office building project. However, office projects in Vietnam have faced numerous quality risks, particularly during their construction periods. This can cause the building projects to be delayed and over budget. As a result, identifying quality risk factors throughout the construction phase of office projects is essential. Therefore, this paper applies the analytical hierarchy process to prioritize critical risk factors affecting project quality during the construction phase of the Biconsi Tower project in Vietnam. The research results show that the five top risk factors affecting the quality of the Biconsi Tower project from most to least impact are as follows: (1) inspection and approval work are not in accordance with regulations and procedures, (2) lack of coordination between project stakeholders, (3) poor quality design documents and drawings, (4) poor construction methods, and (5) poor quality input materials.
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Vu, Thanh Tu, et Roberto Ranzi. « Flood risk assessment and coping capacity of floods in central Vietnam ». Journal of Hydro-environment Research 14 (mars 2017) : 44–60. http://dx.doi.org/10.1016/j.jher.2016.06.001.

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Le-Thi, Thu, Phuc Pham-Duc, Christian Zurbrügg, Toan Luu-Quoc, Huong Nguyen-Mai, Tu Vu-Van et Hung Nguyen-Viet. « Diarrhea risks by exposure to livestock waste in Vietnam using quantitative microbial risk assessment ». International Journal of Public Health 62, S1 (11 novembre 2016) : 83–91. http://dx.doi.org/10.1007/s00038-016-0917-6.

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Tram, Thi Xuan Huong, et Nguyen Thi Thanh Hoai. « Effect of macroeconomic variables on systemic risk : Evidence from Vietnamese economy ». Economics and Business Letters 10, no 3 (2 août 2021) : 217–28. http://dx.doi.org/10.17811/ebl.10.3.2021.217-228.

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This paper aims to find out the relationship between systemic risk in Vietnam and the effects of macroeconomic factors, including exchange rate, interest rates, and economic growth. We collect data from the Vietnamese stock market, specifically 29 listed financial firms (banks, insurance companies, and securities firms) for the period 2010-2018. The analysis is performed in two steps including systematic risk measurement in Vietnam based on the Systemic Expected Shortfall (SES) method and providing evidence from analysis related to the risk determinants assessment. Besides ordinary least squares (OLS) methods, we make use of fixed-effects (FEM) estimations, random-effects (REM) estimations, and system generalized method of moments (SGMM). The empirical evidence in this paper indicates that economic growth has a negative relationship on systemic risk in Vietnam while the exchange rate has a positive impact on systemic risk, and the interest rate has a negative relationship on systemic risk in Vietnam. Future studies can address the effects of interest rate on systemic risk during this period.
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PHAN, Quy Thanh, et Takafumi NOGUCHI. « DEVELOPMENT OF RISK ASSESSMENT SYSTEM FOR CONCRETE STRUCTURES CONSTRUCTION IN VIETNAM AND COMPARISON BETWEEN JAPAN & ; VIETNAM ». SOCIOTECHNICA 8 (2011) : 101–10. http://dx.doi.org/10.3392/sociotechnica.8.101.

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Suvorov, Dmitrii V., Nina V. Zaitseva, Pavel Z. Shur et Sergey E. Zelenkin. « Assessment of potential hazards of the inadvertently present chemicals in food ». Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam 5, no 4 (4 octobre 2022) : 622–33. http://dx.doi.org/10.47866/2615-9252/vjfc.4009.

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During the 71st session of the Executive Committee of the Codex Alimentarius Commission, New Zealand proposed draft Guidelines for risk analysis of chemicals inadvertently present in food at low levels, noting that regulatory documents do not currently cover this group of substances. Methodological approaches to detecting and identifying chemical substances inadvertently present in foodstuffs were proposed In the Russian Federation. The developed methodological approaches include four stages: analytical identification of chemical substances; integrated assessment of chemical hazards employing additional selection criteria followed by the application of a score and summation of points; categorizing chemical substances with the assignment of potential hazard categories and final stage - health risk assessment for selected chemicals based on the integrated index. The presented methodological approaches were tested on the example of canned meat for infant nutrition consumed in the Russian Federation and the Socialist Republic of Vietnam. Nnitrosamines were assessed as a priority potentially hazardous inadvertently present chemical substance in samples of canned meat for infant nutrition for health risk assessment using methodological approaches developed in the Russian Federation. Assessment of the health risk to infants when consuming canned meat for infant nutrition containing Nnitrosamines on the example of products sold in the Russian Federation and the Socialist Republic of Vietnam revealed no excess hazard quotients (HQ < 1.0) in both territories. However, the calculation of carcinogenic risks has shown that when canned meat for infants sold in the Russian Federation from 6 months to 3 years of age is consumed, a carcinogenic risk may be formed in infants of the corresponding group. This difference between the Socialist Republic of Vietnam and the Russian Federation is due not only to the difference in the content of N-nitrosamines in the examined product but also to the greater volume of canned meat consumption in Russia.
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Nguyen-Thi-Lan, Huong, Shah Fahad, Tuan Nguyen-Anh, Huong Tran-Thi-Thu, Chinh Nguyen-Hong et Nguyen To-The. « Assessment of farm households’ perception, beliefs and attitude toward climatic risks : A case study of rural Vietnam ». PLOS ONE 16, no 12 (28 décembre 2021) : e0258598. http://dx.doi.org/10.1371/journal.pone.0258598.

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Vietnam is one the most vulnerable region to climate change and extreme climatic events, such as flash floods and droughts. This present research aims to explore the farm households’ beliefs, risk perception, adaptive attitude and climate change adaptation measures that they currently utilize in their farms to cope with climatic risks. Further, this study analyzed effect of climate change belief, awareness and adaptive attitudes on farmers’ adaptive behavior. By using structured questionnaire, the data from 816 respondents were collected from seven provinces of Vietnam. We used ordinary least squares regression and logistic regression approach to analyze farmers’ belief, perception of climatic change, and risk attitude towards climatic hazards. Results revealed that farmers in the study area are using the most common climatic risk management strategies including applying new technologies, adjustment of the seasonal calendar, and diversification. Findings further revealed that that farm households were mostly concerned about the risk in soil erosion and washout, followed by the stress of prolonging dry season and droughts. The study participants also reported a decrease in precipitation and increase in temperature and frequency and incidence of other extreme climatic events. A positive significant relationship was found between farm management practices and ecological communities. Risk perceptions and attitude toward climate change are essential factors among farm households of northern mountains of Vietnam. Thus, the climate strain linked with the institutional stress and socio-economic has serious insinuations for farm households’ livelihood bases, a universal climate change adaptation scheme is required to endure farmers’ livelihood.
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Hieu, Vu Van, Le Xuan Quynh, Pham Ngoc Ho et Luc Hens. « Health Risk Assessment of Mobility-Related Air Pollution in Ha Noi, Vietnam ». Journal of Environmental Protection 04, no 10 (2013) : 1165–72. http://dx.doi.org/10.4236/jep.2013.410133.

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YAJIMA, Aya, et Hisashi KUROKURA. « Microbial risk assessment of livestock-integrated aquaculture and fish handling in Vietnam ». Fisheries Science 74, no 5 (octobre 2008) : 1062–68. http://dx.doi.org/10.1111/j.1444-2906.2008.01625.x.

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Nguyen, Van Anh, Sunbaek Bang et Kyoung-Woong Kim. « Characterization of arsenic-contaminated groundwater and human health risk assessment in Vietnam ». Chinese Journal of Geochemistry 25, S1 (mars 2006) : 74. http://dx.doi.org/10.1007/bf02839878.

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Nguyen, Kien Thanh, Hung Manh Nguyen, Cuong Kim Truong, Mohammad Boshir Ahmed, Yuhan Huang et John L. Zhou. « Chemical and microbiological risk assessment of urban river water quality in Vietnam ». Environmental Geochemistry and Health 41, no 6 (7 mai 2019) : 2559–75. http://dx.doi.org/10.1007/s10653-019-00302-w.

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Le, Anh. « Ergonomic Risk Assessment of Static Postures and Repetitive Tasks using Rapid Entire Body Assessment and Strain Idex ». Journal of Industrial Engineering and Halal Industries 2, no 2 (31 juillet 2022) : 54–58. http://dx.doi.org/10.14421/jiehis.3430.

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This study aims to assess the risk levels of work-related musculoskeletal disorders (WMSDs) of Vietnamese female workers performing repetitive tasks and static postures. The workers perform the repetitive tasks which are printed circuit board assembly and printing on housing in a factory in Ho Chi Minh City, Vietnam. The risk assessment tools are used consisting of Rapid Entire Body Assessment and Strain Index. The result shows that the risk levels of WMSDs of workers are from medium to high levels. Therefore, ergonomic measures are needed to reduce the risk levels and improve the working conditions. The suggestions of ergonomic interventions are ergonomic workstation redesign considering anthropometric data of Vietnamese female workers, appropriate work methods and training for workers.
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Wyrwoll, Paul R., R. Quentin Grafton, Katherine A. Daniell, Hoang Long Chu, Claudia Ringler, Le Thi Ha Lien, Dang Kim Khoi, Thang Nam Do et Nguyen Do Anh Tuan. « Decision-Making for Systemic Water Risks : Insights From a Participatory Risk Assessment Process in Vietnam ». Earth's Future 6, no 3 (mars 2018) : 543–64. http://dx.doi.org/10.1002/2017ef000777.

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Nguyen, Thi Que, Manh Dung Tran et Thi Viet Ha Hoang. « Impact of Internal Control on Audit Program Effectiveness : The Case of Vietnam ». International Journal of Economics and Finance 10, no 9 (8 août 2018) : 1. http://dx.doi.org/10.5539/ijef.v10n9p1.

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This research is conducted to examine the relationship between components of risk assessment, environmental control and control activities of internal control system and the effectiveness of the audit program in Vietnamese firms. Data were collected by sending questionnaires to management, internal auditors, and accountants of Vietnam firms and feedback of 87 responses. By testing Cronbach’s Alpha, Exploratory Factor Analysis (EFA), Analysis of Variables (ANOVA), the results show that control environment, risk assessment and control activities contribute significantly to an effective audit program. These results indicate that Vietnamese firms lack required experiences to cope with the current instruments of internal control assessment.
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Luu, Chinh, Hieu Xuan Tran, Binh Thai Pham, Nadhir Al-Ansari, Thai Quoc Tran, Nga Quynh Duong, Nam Hai Dao et al. « Framework of Spatial Flood Risk Assessment for a Case Study in Quang Binh Province, Vietnam ». Sustainability 12, no 7 (10 avril 2020) : 3058. http://dx.doi.org/10.3390/su12073058.

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Vietnam has been extensively affected by floods, suffering heavy losses in human life and property. While the Vietnamese government has focused on structural measures of flood defence such as levees and early warning systems, the country still lacks flood risk assessment methodologies and frameworks at local and national levels. In response to this gap, this study developed a flood risk assessment framework that uses historical flood mark data and a high-resolution digital elevation model to create an inundation map, then combined this map with exposure and vulnerability data to develop a holistic flood risk assessment map. The case study is the October 2010 flood event in Quang Binh province, which caused 74 deaths, 210 injuries, 188,628 flooded properties, 9019 ha of submerged and damaged agricultural land, and widespread damages to canals, levees, and roads. The final flood risk map showed a total inundation area of 64,348 ha, in which 8.3% area of low risk, 16.3% area of medium risk, 12.0% area of high risk, 37.1% area of very high risk, and 26.2% area of extremely high risk. The holistic flood risk assessment map of Quang Binh province is a valuable tool and source for flood preparedness activities at the local scale.
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Le, Tien, Chayn Sun, Suelynn Choy et Yuriy Kuleshov. « Regional drought risk assessment in the Central Highlands and the South of Vietnam ». Geomatics, Natural Hazards and Risk 12, no 1 (1 janvier 2021) : 3140–59. http://dx.doi.org/10.1080/19475705.2021.1998232.

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Phung, Dung Tri, Des Connell, Greg Miller, Shannon Rutherford et Cordia Chu. « Needs Assessment for Reducing Pesticide Risk : A Case Study With Farmers in Vietnam ». Journal of Agromedicine 18, no 4 (2 octobre 2013) : 293–303. http://dx.doi.org/10.1080/1059924x.2013.826605.

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Thanh-Nho, Nguyen, Cyril Marchand, Emilie Strady, Truong-Van Vinh et Tran-Thi Nhu-Trang. « Metals geochemistry and ecological risk assessment in a tropical mangrove (Can Gio, Vietnam) ». Chemosphere 219 (mars 2019) : 365–82. http://dx.doi.org/10.1016/j.chemosphere.2018.11.163.

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Luu, Chinh, et Jason von Meding. « A Flood Risk Assessment of Quang Nam, Vietnam Using Spatial Multicriteria Decision Analysis ». Water 10, no 4 (11 avril 2018) : 461. http://dx.doi.org/10.3390/w10040461.

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Nguyen, Xuan Hien, Xuan Trinh Nguyen, Hong Hanh Nguyen, Thanh Thuy Tran et Duc Quyen Le. « Assessment of storm surge risk in aquaculture in the Northern coastal area of Vietnam ». Vietnam Journal of Science, Technology and Engineering 60, no 4 (17 décembre 2018) : 89–94. http://dx.doi.org/10.31276/vjste.60(4).89-94.

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Tran, Huan Minh, Hanh Thi My Bui, Somkiat Thoumsang, Supat Wangwongwatana, Ha Phan Ai Nguyen et Dung Phung. « Health risk assessment of volatile organic compounds exposure among nail salon workers in Vietnam ». Human and Ecological Risk Assessment : An International Journal 28, no 2 (7 février 2022) : 265–80. http://dx.doi.org/10.1080/10807039.2022.2044285.

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Weiss, Bahr, Minh Dang, Lam Trung, Minh Cao Nguyen, Nguyen Tam Hong Thuy et Amie Pollack. « A nationally representative epidemiological and risk factor assessment of child mental health in Vietnam. » International Perspectives in Psychology : Research, Practice, Consultation 3, no 3 (2014) : 139–53. http://dx.doi.org/10.1037/ipp0000016.

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Muthuveloo, Rajendran, Ruben Pulenthiran et Ai Ping Teoh. « Risk assessment in a multinational company (MNC) operating in Vietnam : a case study approach ». Business Strategy Series 14, no 1 (4 janvier 2013) : 15–23. http://dx.doi.org/10.1108/17515631311295677.

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Nguyen, Van Anh, Sunbaek Bang, Pham Hung Viet et Kyoung-Woong Kim. « Contamination of groundwater and risk assessment for arsenic exposure in Ha Nam province, Vietnam ». Environment International 35, no 3 (avril 2009) : 466–72. http://dx.doi.org/10.1016/j.envint.2008.07.014.

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Tang, Sang My, et Hung Nguyen Tien. « Impact of Artificial Intelligence on Vietnam Commercial Bank Operations ». International Journal of Social Science and Economics Invention 6, no 07 (10 juillet 2020) : 296–303. http://dx.doi.org/10.23958/ijssei/vol06-i07/216.

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Through secondary data, the research study about the impact of artificial intelligence (AI) on commercial bank operations. Research results show that AI is being applied in the banking industry with many different applications such as Chatbot, risk assessment, anti-money laundering, fraud detection, and algorithmic... The application of AI in the banking industry is changing day by day, but the trend of AI application of the bank focuses on three goals that affect the bank's operations. The impact of AI on banking operations including the impact on customer experience, the impact on the bank's cost and performance, the impact on risk management, and the impact on bank compliance.
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Le Ha, Vo Thi. « PRELIMINARY ASSESSMENT OF BTEX CONCENTRATIONS INDOOR AND OUTDOOR AIR IN RESIDENTIAL HOMES IN HANOI, VIETNAM ». Vietnam Journal of Science and Technology 55, no 4C (24 mars 2018) : 78. http://dx.doi.org/10.15625/2525-2518/55/4c/12133.

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Indoor air quality is considered to be of great concern due to its adverse impact on the human health nowadays. BTEX concentrations in 29 residential homes including (new/renovated and old) were studied in Hanoi Metropolis and influencing parameters such as smoke habit, cooking appliances, solvent consumption, and ventilation system were considered in this study. Samples were conducted using active diffusion monitors and analyzed by GC/FID. Concentrations of BTEX indoor and outdoor in new/innovated homes were significantly higher than those in old homes. Benzene was used as cancer risk maker, whereas toluene and xylene were used as non-cancer risk marker. Among BTEX compounds, xylene showed the most notable hazard quotient and was the main pollutants responsible for high risk for the toddlers. Benzene showed an upper-bound life time cancer risk that exceeds the US.EPA benmark, presenting moderate risk for the toddlers.
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Nguyen Minh, Tri, Nhu Xuan Tran Thi et Phong Nguyen Hai. « Lead accumulation in fish oreochromis niloticus and human health risk assessment for consumers ». Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam 2, no 3 (20 septembre 2019) : 81–85. http://dx.doi.org/10.47866/2615-9252/vjfc.76.

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Tilapia (Oreochromis niloticus) is very popular in the daily meals of many families in Vietnam. However, lead accumulation in this type of fish has not been taken specifically. Results showed that the nile tilapia in several lakes in the Hue city contented high levels of Pb content exceeding the permitted levels issued by the Ministry of Health. Therefore, consuming them may not be safe. The BSAF bioaccumulative coefficient of Pb was low and there was a strong correlation between Pb contents in sediment and in the flesh of the fish. The risk quotient (RQ) higher than 1 indicated that consuming fish exploited from these areas may endanger users’ health.
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THÂN, ĐỨC TÀI NHÂN, MẠCH HOẠT ĐỖ, NGUYỄN QUANG KHA NGUYỄN QUANG KHA, VĂN THANH ĐÔNG et QUỐC THÁI NGUYỄN. « Assessment of blood risk by ARC - HBR criteria in acs patients with percutaneous coronary intervention ». Tạp chí Tim Mạch Học Việt Nam, no 100 (14 novembre 2022) : 55–59. http://dx.doi.org/10.58354/jvc.100.2022.10.

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Background: Bleeding is the most common early complication associated with PCI. Recently, the Academic Research Consortium for High Bleeding Risk (ARC - HBR) criteria have been proposed as a standardized tool for predicting bleeding risk. We conducted a single-center study to assess bleeding risk based on the ARC - HBR criteria.Methods: 235 patients with a diagnosis of ACS and successful percutaneous coronary intervention at the Vietnam Heart Institute to stratify the risk of bleeding according to the ARC - HBR criteria and to monitor bleeding events in the hospital.Results: The ARC - HBR criteria was shown to be good with the ability to classify high bleeding risk during hospital stay in patients with ACS undergoing percutaneous coronary intervention.
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Duong, Hong Anh, Thi Vi Phung, Thuy Ngoc Nguyen, Lan-Anh Phan Thi et Hung Viet Pham. « Occurrence, Distribution, and Ecological Risk Assessment of Antibiotics in Selected Urban Lakes of Hanoi, Vietnam ». Journal of Analytical Methods in Chemistry 2021 (10 mars 2021) : 1–13. http://dx.doi.org/10.1155/2021/6631797.

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Residue concentrations of fifteen antibiotics including sulfonamides, quinolones, macrolides, β-lactams, and trimethoprim in lakes from Hanoi metropolitan area, Vietnam, were analyzed using ultra-performance liquid chromatography coupled with tandem mass spectrometry (UPLC/MS-MS) to elucidate their occurrence and behavior in urban environment. For surface water, the average concentrations of five antibiotic classes decreased in the order: sulfonamides (117.9 ng/L) > β-lactams (31.28 ng/L) > quinolones (20.19 ng/L) > macrolides (17.74 ng/L) > trimethoprim (8.93 ng/L). While the highest concentration of SMX was detected at 806.5 ng/L in surface water, those obtained in sediment were only at 1.35 ng/g because of their high solubility in water. Quinolones were found at a maximal concentration of 158.7 ng/L for OFL in water phase whereas those in sediment phase were 4,017 ng/g due to their great affinity in sediment. These findings revealed the different fate and release mechanisms of each antibiotic group in the environment. The ecological risk assessment implied some targeted compounds, and in particular, OFL and AZM could pose high risks to algae in the aquatic ecosystem.
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Le, Q. T., H. A. Quyen, T. N. Le, T. T. Phung et H. H. Pham. « A Power Line Lightning Protection Method for Television and Radio Stations ». Engineering, Technology & ; Applied Science Research 12, no 3 (6 juin 2022) : 8592–96. http://dx.doi.org/10.48084/etasr.4756.

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The existing research on lightning protection focuses on risk assessment or equipment selection. There has not been any thorough research about lightning protection including risk assessment for a building in order to identify the risks when selecting lightning protection equipment according to technical requirements and cost optimization. The objective of the current paper is to propose a new risk computational method of damages by lightning for a Television and Radio Station (TRS). The new computational method consists of nine steps for identifying two risk indices, human life loss (R1) and service loss (R2). If the value of R1 is higher than the regulatory limit value RT1 and the value of R2 is higher than the regulatory limit value RT2, the damage risks due to lightning are very serious. Therefore, the TRS is necessary to select lightning protection solutions to reduce these risks. In addition, the paper proposes a six-step procedure for selecting and testing surge protective devices. The proposed calculations are then applied to a real TRS in Vietnam, and some testing results are simulated in Matlab-Simulink.
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Nguyen, Thi Hong Thuy, Lan Phuong To, Kien Phan Trung et Thi Thuy Hang Dang. « Applying appropriate models to predict bankruptcy for Vietnamese listed construction companies ». Accounting 8, no 2 (2022) : 101–10. http://dx.doi.org/10.5267/j.ac.2021.8.001.

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This study focuses on assessing the suitability and condition of various bankruptcy risk models applied to construction companies listed on the Vietnam Stock Market. In this study, the panel data were collected from the disclosed financial statements of the companies from 2012 to 2017. Through the assessment, bankruptcy risks are predicted for the companies that are experiencing initial signals such as delisting, compulsory supervision. In the next step, interviews were conducted to justify which of the following factors may indicate the companies at the risk of being bankrupted: asset management, capital structure, business size, and/or state management.
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Tan, Kok Weng, et Eu Han Khaw. « Environmental Health Risk Assessment of Fe, Zn, As, Cd and Pb Concentration in Selected Asian Rice Grain (Oryza sativa) ». Environmental Management and Sustainable Development 9, no 4 (19 novembre 2020) : 49. http://dx.doi.org/10.5296/emsd.v9i4.17952.

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This study was carried out to determine the concentration of chemical elements in food grains (Oryza Sativa). A total of eight brands of rice grains was selected which are commonly sold in major hypermarkets in Malaysia. The selection was based on the countries of origin (COO) namely Cambodia, Indonesia, Malaysia, Thailand, Vietnam, China, Japan and Taiwan. A total of 16 rice grain samples included both polished and unpolished rice grains in order to determine the concentration of Fe, Zn, As, Cd and Pb. From the laboratory result, it was found that the concentration of Fe, Zn, As, Cd and Pb was ranged from 0.067-14.446 mgkg‑1, 0.308-12.335 mgkg‑1, 0.000-0.048 mgkg‑1, 0.000-0.604 mgkg‑1 and 0.000-0.418 mgkg‑1 respectively. The rice grains samples from Vietnam, China and Cambodia showed that carcinogenic cancer risk for both adults and infants’ group (Cumulative lifetime cancer risk, CLCR >1x10-4).
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Phan, Quang Van, Trung Thanh Dao, Phuong Nguyen, Dinh Huan Trinh et Thomas Heinig. « An Assessment of Natural Radioactivity in the Namxe Rare Earth Deposit, Laichau Province, Vietnam ». Minerals 9, no 10 (30 septembre 2019) : 602. http://dx.doi.org/10.3390/min9100602.

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The Namxe rare earth deposit belongs to Namxe commune, Phongtho district, Laichau province, which has a large resource of rare earth metals in Vietnam. The case study presents an assessment of the naturally occurring radioactivity for the rare earth prospect Namxe for future monitoring purpose, especially for the case of an actual mine in the area. The investigation included determination of radioactivity in the air, soil, water, and plants. The results showed that although the water usage is harmless, radioactive materials were found in soils and plants in considerable amounts. The mapping of these features revealed two zones of elevated radioactivity, one of which even bearing health risks according to several health standards. These zones correspond well with the rare earth deposit area. From the study, safety, health, and environmental issues could be deduced, including a risk assessment for the area and the intended mining site.
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Duong, Hanh Thi, Nguyen Hai Doan, Ha Thu Trinh et Kiwao Kadokami. « Occurrence and risk assessment of herbicides and fungicides in atmospheric particulate matter in Hanoi, Vietnam ». Science of The Total Environment 787 (septembre 2021) : 147674. http://dx.doi.org/10.1016/j.scitotenv.2021.147674.

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Nguyen, Hong, Thi Huynh, Assela Pathirana et Peter Van der Steen. « Microbial Risk Assessment of Tidal−Induced Urban Flooding in Can Tho City (Mekong Delta, Vietnam) ». International Journal of Environmental Research and Public Health 14, no 12 (30 novembre 2017) : 1485. http://dx.doi.org/10.3390/ijerph14121485.

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Phan, Quy Thanh, et Takafumi Noguchi. « Risk Assessment Using Event Tree Analysis for Sustainable Concrete Structures with Construction Management in Vietnam ». International Journal of Sustainable Building Technology and Urban Development 1, no 2 (décembre 2010) : 143–51. http://dx.doi.org/10.5390/susb.2010.1.2.143.

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Parent-Massin, D., A. Nguyen, T. L. Tran, F. G. Carpentier et A. C. Roudot. « Risk assessment of shellfish contaminated by heavy metals and paralytic shellfish poison (PSP) in Vietnam ». Toxicology Letters 196 (juillet 2010) : S339—S340. http://dx.doi.org/10.1016/j.toxlet.2010.03.1073.

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Nguyễn, Văn Hùng, et Thị Thuỳ Linh Bùi. « Geomechanical model and sanding onset assessment : A field case study in Vietnam ». Petrovietnam Journal 10 (30 novembre 2021) : 40–46. http://dx.doi.org/10.47800/pvj.2021.10-04.

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Sand production is a key issue when selecting and applying completion solutions like open holes, screens or perforated liners. This problem can be seen in several types of reservoirs such as weakly consolidated and non-consolidated carbonates. The paper presents a method to model wellbore failures for sanding prediction. Our study shows that the potential sand risk in this field is defined by the rock strength rather than the in-situ stress. If the rock is sufficiently competent, the potential of sand production is negligible, and the development wells can be completed conventionally without any downhole sand control for the reservoir pressure above 1,280 psi and the maximum drawdown pressure of 2,380 psi.
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Nguyen, Loan Thuy Quynh, Luong Phuoc Le, Tham Quoc Tran et Nguyen Bac Nguyen. « A study of FMEA implementation : cases of manufucturing companies in Vietnam ». Science and Technology Development Journal 16, no 2 (30 juin 2013) : 46–56. http://dx.doi.org/10.32508/stdj.v16i2.1472.

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In this paper, an attempt has been made to study an FMEA technique in manafacturing processes of two companies in Vietnam: a can manafacturing process of Anh Binh Minh Company and a process testing chip set of Intel Product Vietnam Ltd. The parametters of traditional FMEA have been analysized in this study: S (Serverity value), O (Occurrence number), D (Detection number), RPN (Risk Priority Number). A new point of this study is to use modified FMEA, it is RAV (Risk Assessment Value). The study has determined the failure modes systematically and comprehensively. The failure modes have been prioritized for improvement and the solusions have been suggested respectively. After the pilot implementation of the solusions, the failure modes have reduced considerably. The paper has also drawn some experiences in implementing FMEA in Vietnamese companies.
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Bui, Ha Thi Thu, Duc Minh Duong, Thanh Quoc Pham, Tolib Mirzoev, Anh Thi My Bui et Quang Ngoc La. « COVID-19 Stressors on Migrant Workers in Vietnam : Cumulative Risk Consideration ». International Journal of Environmental Research and Public Health 18, no 16 (19 août 2021) : 8757. http://dx.doi.org/10.3390/ijerph18168757.

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This study explored the impact of COVID-19 on migrant workers in Vietnam, using a cumulative risk assessment (CRA) framework which comprises four domains (workplace, environment, individual and community). A cross-sectional study was conducted. Data were collected in 2020 through a self-administered questionnaire with 445 domestic migrant workers in two industrial zones in two northern provinces (Bac Ninh and Ninh Binh) in Vietnam. The majority of migrant workers were female (65.2%), aged between 18 and 29 years old (66.8%), and had high school or higher education level qualifications. Most migrant workers had good knowledge about preventive measures (>90%) and correct practices on COVID-19 prevention (81.1%). Three health risk behaviors were reported: 10% of participants smoked, 25% consumed alcohol and 23.1% were engaged in online gaming. In terms of workplace, occupational working conditions were good. Noise was the most commonly reported hazard (29%). Regarding environment, about two-thirds of migrant workers lived in a small house (<36 m2). Most participants (80.4%) lived with their families. About community domain, many reported low salary or losing their job during January–July, 2020. Most migrants received information about COVID-19. The migrant workers suffered from poor health and low occupational safety, fear of job loss and income cut, poor housing and living conditions and limited access to public services. The holistic approach to address stressors is recommended to improve health and safety of migrant workers.
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Nguyen Dang Giang, Chau, Dang Bao Chau Le, Van Hop Nguyen, Thai Long Hoang, Thi Van Thi Tran, Thi Phuong Linh Huynh et Thi Quynh Trang Nguyen. « Assessment of pesticide use and pesticide residues in vegetables from two provinces in Central Vietnam ». PLOS ONE 17, no 6 (13 juin 2022) : e0269789. http://dx.doi.org/10.1371/journal.pone.0269789.

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Pesticide residue in food, especially in vegetables, is one of the important parameters to assess food safety. This study evaluates the pesticide use in vegetables from two provinces in Central Vietnamand and present data on pesticides detected in vegetables sampled from the sites. The potential health risk associated with the contamination of four commonly used pesticides in different vegetables is also discussed. Both household surveys and monitoring campaigns were conducted. The survey showed that improper pesticide application, storage, and waste disposal prevailed at the study sites. Only 20% of the respondent were aware of pesticide toxicity. As a result, pesticides were detected in 81% out of 290 vegetable samples collected at harvesting time. Up to 23% of samples had pesticide residues above the Maximum Residue Limit values. The highest total pesticide concentration quantified in vegetables in Thua Thien Hue was 11.9 mg/kg (green onions), and in Quang Binh was 38.6 mg/kg (mustard greens). Median residue levels of individual pesticides in vegetables ranged from 0.007 to 0.037 mg/kg. Among the ten target pesticides, cypermethrin, difenoconazole, and fenobucarb were detected at the highest frequencies (72%, 41%, and 37%, respectively). Pesticide residues varied between seasons at both study provinces. Pesticide contamination in the wet season was significantly higher than in the dry season. This study also discovered a potential health risk associated with fipronil residues in vegetables in Thua Thien Hue province. The paper provides recommendations for mitigation measures (both technological and social) in reducing potential health risks linked to pesticide use in vegetables in the region.
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Lu, Khang H., Danh C. Vu, Quang T. Nguyen et Xuyen T. Vo. « Volatile Organic Compounds in Primary Schools in Ho Chi Minh City, Vietnam : Characterization and Health Risk Assessment ». Atmosphere 12, no 11 (28 octobre 2021) : 1421. http://dx.doi.org/10.3390/atmos12111421.

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Limited information about exposure to volatile organic compounds (VOCs) in primary schools in Vietnam is available. In this study, we aimed to characterize indoor VOCs in four primary schools situated in Ho Chi Minh City, a metropolis in the south of Vietnam and assess health risks linked to the students’ exposure to VOCs. Indoor and outdoor air samples were collected in the schools and analyzed for volatile composition using gas chromatography coupled with mass spectrometry. Different classes of VOCs, including aromatic hydrocarbons, alkanes, aldehydes, esters, cyclic terpenes, and chlorinated hydrocarbons, were identified and quantified in classrooms of the schools. The results showed that the concentrations of the VOCs differed significantly among the schools and between ground-floor and first floor classrooms. In addition, VOC profiles differed considerably between air-conditioned and non-air-conditioned classrooms. Limonene, a compound associated with fragrance products, was the most abundant VOC, with the median (range) concentration of 26.12 (10.29, 50.08) μg/m3. The concentrations of the compounds examined in the study were in general found to be higher indoors compared with outdoors, signifying indoor emission sources. Potential harmful effects are expected as a result of exposure to benzene, ethylbenzene, naphthalene, 1,4-dichlorobenzene and tetrachloroethylene in the investigated schools. Further research is needed to fully assess the health risks to students, teachers, and staff in these educational environments.
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Do, Hien Thi Thu, Kathleen Finlayson et Helen Edwards. « Surgical wound assessment in Vietnam : a think-aloud technique and interview analysis ». Journal of Wound Care 29, Sup4 (1 avril 2020) : S4—S13. http://dx.doi.org/10.12968/jowc.2020.29.sup4.s4.

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Objective: To identify the key components of a surgical wound assessment tool that nurses in Vietnam could use when conducting a surgical wound assessment. The study also explored Vietnamese nurses' perceptions of current practices in surgical wound assessment and assessed their requirements for a surgical wound assessment tool. Method: Registered nurses from surgical wards in a Vietnamese hospital were invited to participate in this descriptive, qualitative study. A combination of the think-aloud technique and semi-structured interviews was undertaken. Transcribed responses were analysed using inductive content analysis to indicate how Vietnamese nurses undertook wound assessment and the data they collected. Results: A total of 13 nurses took part. Data from both the think-aloud process and interviews indicated that nurses evaluated surgical wounds based on their experience and observation without using standard guidelines. Some components, such as wound edge, periwound skin, exudate volume and signs of infection, were identified by the nurses. Other wound characteristics, such as wound site, wound bed, exudate and pain, and risk factors were less frequently collected. Nurses expressed their need for a tool with comprehensive content, precise terms, user-friendly language and a scoring system to facilitate their wound assessment. Conclusion: Hospitals in Vietnam need a standard tool to help nurses improve surgical wound assessment in daily nursing practice, and to enhance multidisciplinary communication and patient care.
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Nguyễn Tuấn, Anh, Kỳ Nguyễn Minh et Hải Nguyễn Ninh. « Risk assessment and management in domestic water supply system in Pleiku city – Gia Lai province ». Journal of Science and Technology Issue on Information and Communications Technology 17, no 6 (30 juin 2019) : 50. http://dx.doi.org/10.31130/jst-ud2018-366.

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Water is essential for maintaining life, ensuring a safe and continuous supply of water, therefore, it should be given the priority for concerns. Developing countries often face a number of problems with domestic water supply systems such as treatment plants with old technologies, degraded equipment leading to inefficient treatment, and a network of degraded piping, which could cause re-pollution of treated water during transport. Pleiku city, which is located in the Central Highlands of Vietnam, has built two treatment plants and a network of water supply pipelines in the core area. An analysis of the current state of the water supply system including water supply, treatment plant and pipeline system helps identify existing problems in the system. Through mixed methods, hazards or hazardous events are identified as a basis for risk assessment by using semi – quantitative method to assess raw risk and residual risk for each hazard. Priority risks are identified to focus on proposing the possible solutions that will improve the performance and management of domestic water supply systems.
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Pham Minh, Khue, Roselyne Vallo, Huong Duong Thi, Oanh Khuat Thi Hai, Don C. Des Jarlais, Marianne Peries, Sao Mai Le et al. « Psychiatric Comorbidities among People Who Inject Drugs in Hai Phong, Vietnam : The Need for Screening and Innovative Interventions ». BioMed Research International 2018 (4 octobre 2018) : 1–13. http://dx.doi.org/10.1155/2018/8346195.

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The objective of this study is to describe psychiatric comorbidities, associated factors, and access to psychiatric assessment and care in a cohort of people who inject drugs (PWID) in Hai Phong, Vietnam. Mental health was assessed after 12 months’ follow-up using the Mini International Neuropsychiatric Interview questionnaire (MINI 5.0.0). PWID medical history, drug use, and sociodemographic and clinical characteristics were also collected. Among 188 PWID who participated in the assessment, 48 (25.5%) had at least one psychiatric disorder and 19 (10.1%) had 2 or more psychiatric disorders. The most common current psychiatric disorders were major depressive episode (12.2%) and psychotic disorder (4.8%), reaching 10.1% for the latter when lifetime prevalence was considered. Females were more likely than males to have at least one psychiatric disorder, a major depressive disorder, or an anxiety disorder. Methamphetamine use was associated with an increased risk of presenting a lifetime psychotic syndrome. Problematic alcohol consumption was associated with an increased risk of having at least one psychiatric disorder. Psychiatric comorbidities are frequent among PWID in Vietnam. These results highlight the need for routine assessment and innovative interventions to address mental health needs among PWID. Community-based interventions targeting mental health prevention and care should be strongly supported.
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