Annals of Occupational and Environmental Medicine最新文献

{"title":"Occupational exposure to polycyclic aromatic hydrocarbons in Korean adults: evaluation of urinary 1-hydroxypyrene, 2-naphthol, 1-hydroxyphenanthrene, and 2-hydroxyfluorene using Second Korean National Environmental Health Survey data.","authors":"Dong Hyun Hong, Jongwon Jung, Jeong Hun Jo, Dae Hwan Kim, Ji Young Ryu","doi":"10.35371/aoem.2023.35.e6","DOIUrl":"10.35371/aoem.2023.35.e6","url":null,"abstract":"<p><strong>Background: </strong>Polycyclic aromatic hydrocarbons (PAHs) are occupational and environmental pollutants generated by the incomplete combustion of organic matter. Exposure to PAHs can occur in various occupations. In this study, we compared PAH exposure levels among occupations based on 4 urinary PAH metabolites in a Korean adult population.</p><p><strong>Methods: </strong>The evaluation of occupational exposure to PAHs was conducted using Second Korean National Environmental Health Survey data. The occupational groups were classified based on skill types. Four urinary PAH metabolites were used to evaluate PAH exposure: 1-hydroxypyrene (1-OHP), 2-naphthol (2-NAP), 1-hydroxyphenanthrene (1-OHPHE), and 2-hydroxyfluorene (2-OHFLU). The fraction exceeding the third quartile of urinary concentration for each PAH metabolite was assessed for each occupational group. Adjusted odds ratios (ORs) for exceeding the third quartile of urinary PAH metabolite concentration were calculated for each occupational group compared to the \"business, administrative, clerical, financial, and insurance\" group using multiple logistic regression analyses.</p><p><strong>Results: </strong>The \"guard and security\" (OR: 2.949; 95% confidence interval [CI]: 1.300-6.691), \"driving and transportation\" (OR: 2.487; 95% CI: 1.418-4.364), \"construction and mining\" (OR: 2.683; 95% CI: 1.547-4.655), and \"agriculture, forestry, and fisheries\" (OR: 1.973; 95% CI: 1.220-3.191) groups had significantly higher ORs for 1-OHP compared to the reference group. No group showed significantly higher ORs than the reference group for 2-NAP. The groups with significantly higher ORs for 1-OHPHE than the reference group were \"cooking and food service\" (OR: 2.073; 95% CI: 1.208-3.556), \"driving and transportation\" (OR: 1.724; 95% CI: 1.059-2.808), and \"printing, wood, and craft manufacturing\" (OR: 2.255; 95% CI: 1.022-4.974). The OR for 2-OHFLU was significantly higher in the \"printing, wood, and craft manufacturing\" group (OR: 3.109; 95% CI: 1.335-7.241) than in the reference group.</p><p><strong>Conclusions: </strong>The types and levels of PAH exposure differed among occupational groups in a Korean adult population.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e6"},"PeriodicalIF":1.2,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c5/9c/aoem-35-e6.PMC10089814.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9371285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between job stress and impaired fasting glucose in male steel industry workers: a cross-sectional study.","authors":"Hyun-Kyo Lee,&nbsp;Inho Lee,&nbsp;Jisuk Yun,&nbsp;Yong-Jin Lee,&nbsp;Eun-Chul Jang,&nbsp;Young-Sun Min,&nbsp;Soon-Chan Kwon","doi":"10.35371/aoem.2023.35.e12","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e12","url":null,"abstract":"<p><strong>Background: </strong>The purpose of this study is to investigate the relationship between job stress and impaired fasting glycemia (IFG) of male workers in a manufacturing industry.</p><p><strong>Methods: </strong>Data were collected from 5,886 male workers in a manufacturing industry who participated in the medical examination from June 19 to August 14, 2020 through self-reported questionnaires. The general characteristics of the subjects, shift work, high blood pressure, dyslipidemia, and job stress were included. Job stress was measured using the Korean Occupational Stress Scale (KOSS) consisting of 8 items and 43 questions. Multivariable logistic regression analysis was used to investigate the IFG association with job stress.</p><p><strong>Results: </strong>Among the various factors that can cause job stress, only high job demand was associated with a risk of IFG (odds ratio, 1.43; 95% confidence interval, 1.13-1.82) especially in non-shift worker. For all other factors, no statistically significant results were obtained.</p><p><strong>Conclusions: </strong>In this study of male workers engaged in the Korean steel manufacturing industry, the 'job demand' item among job stress of non-shift worker was related to IFG.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e12"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/cf/01/aoem-35-e12.PMC10339050.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10182955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk of insomnia symptoms according to Work-Family Conflict by workers' characteristics.","authors":"Kwanghyun Seo,&nbsp;Seungjun Ryu,&nbsp;Saebomi Jeong,&nbsp;Hee-Tae Kang,&nbsp;Sung-Kyung Kim,&nbsp;Sang-Baek Koh,&nbsp;Kyoung Sook Jeong,&nbsp;Sung-Soo Oh","doi":"10.35371/aoem.2023.35.e36","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e36","url":null,"abstract":"<p><strong>Background: </strong>Work-Family Conflict means that the demands of work and family roles cannot be met simultaneously, so one cannot concentrate on one's work or family role. This conflict can negatively affect mental health and cause insomnia symptoms.</p><p><strong>Methods: </strong>This study was conducted on 20,442 subjects. Insomnia symptoms were assessed using the Minimal Insomnia Symptom Scale, and other variables were assessed using the questionnaire method. Logistic regression analyses were performed to evaluate the effect of Work-Family Conflict on insomnia symptoms, and subgroup logistic regression analyses were also performed.</p><p><strong>Results: </strong>The number of people with insomnia symptoms was 4,322 (15.1%). Compared with Low Work-Family Conflict, the odds ratios (ORs) for the risk of insomnia symptoms were 1.84 (95% confidence interval: 1.56-2.16) in High work-to-family conflict, 1.16 (1.02-1.32) in High family-to-work conflict, and 3.19 (2.87-3.55) in High Work-Family Conflict. The ORs were higher for men than women in High WFC but higher for women than men in High Work-Family Conflict.</p><p><strong>Conclusions: </strong>The risk of insomnia symptoms was highest in High Work-Family Conflict.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e36"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ce/c6/aoem-35-e36.PMC10493379.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10239212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparing Korea Occupational Safety & Health Agency and National Health Insurance Service's cardio-cerebrovascular diseases risk-assessment tools using data from one hospital's health checkups.","authors":"Yunrae Cho,&nbsp;Dong Geon Kim,&nbsp;Byung-Chan Park,&nbsp;Seonhee Yang,&nbsp;Sang Kyu Kim","doi":"10.35371/aoem.2023.35.e35","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e35","url":null,"abstract":"<p><strong>Background: </strong>Cardio-cerebrovascular diseases (CVDs) are the most common cause of death worldwide. Various CVD risk assessment tools have been developed. In South Korea, the Korea Occupational Safety & Health Agency (KOSHA) and the National Health Insurance Service (NHIS) have provided CVD risk assessments with health checkups. Since 2018, the KOSHA guide has stated that NHIS CVD risk assessment tool could be used as an alternative of KOSHA assessment tool for evaluating CVD risk of workers. The objective of this study was to determine the correlation and agreement between the KOSHA and the NHIS CVD risk assessment tools.</p><p><strong>Methods: </strong>Subjects of this study were 17,485 examinees aged 20 to 64 years who had undergone medical examinations from January 2021 to December 2021 at a general hospital. We classified subjects into low-risk, moderate-risk, high-risk, and highest-risk groups according to KOSHA and NHIS's CVD risk assessment tools. We then compared them with cross-analysis, Spearman correlation analysis, and linearly weighted kappa coefficient.</p><p><strong>Results: </strong>The correlation between KOSHA and NHIS tools was statistically significant (<i>p</i>-value < 0.001), with a correlation coefficient of 0.403 and a kappa coefficient of 0.203. When we compared risk group distribution using KOSHA and NHIS tools, CVD risk of 6,498 (37.1%) participants showed a concordance. Compared to the NHIS tool, the KOSHA tool classified 9,908 (56.7%) participants into a lower risk category and 1,079 (6.2%) participants into a higher risk category.</p><p><strong>Conclusions: </strong>In this study, KOSHA and NHIS tools showed a moderate correlation with a fair agreement. The NHIS tool showed a tendency to classify participants to higher CVD risk group than the KOSHA tool. To prevent CVD more effectively, a higher estimation tool among verified CVD risk assessment methods should be selected and managements such as early intervention and treatment of risk factors should be performed targeting the high-risk group.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e35"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b9/50/aoem-35-e35.PMC10493371.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10241093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between lone work and self-rated health status: using the 5th Korean Working Conditions Survey.","authors":"Eunseun Han,&nbsp;Ui-Jin Kim,&nbsp;Yongho Lee,&nbsp;Sanghyuk Lee,&nbsp;Seunghon Ham,&nbsp;Wanhyung Lee,&nbsp;Won-Jun Choi,&nbsp;Seong-Kyu Kang","doi":"10.35371/aoem.2023.35.e29","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e29","url":null,"abstract":"<p><strong>Background: </strong>Lone workers are generally defined as individuals who work alone without supervision, including self-employed people. While lone workers are considered a vulnerable group in some countries, there is a lack of research on their health status in domestic studies. Globally, the number of lone workers has been increasing, and this trend has been further accelerated since the coronavirus disease 2019 (COVID-19) pandemic with the rise of remote work.</p><p><strong>Methods: </strong>The study analyzed data from 44,281 participants, excluding unpaid family workers, soldiers, and those with missing data. Lone workers were defined as individuals who reported having no colleagues with the same job at their current workplace. Self-rated health status was categorized as \"good\" or \"poor.\"</p><p><strong>Results: </strong>This study found a statistically significant higher number of lone workers among women compare to men. The largest occupational category for lone workers was service and sales workers, followed by agriculture and fisheries workers. A majority of non-lone workers reported working 40 hours or less per week, while the majority of lone workers reported working 53 hours or more per week. In addition, lone workers had significantly poorer health status evaluations compared to non-lone workers (odds ratio: 1.297; 95% confidence interval: 1.165-1.444).</p><p><strong>Conclusions: </strong>Further research is needed to investigate the causal relationship between lone work and health, using data collected after the COVID-19 pandemic.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e29"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/4b/4d/aoem-35-e29.PMC10493374.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10241098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between visual display terminal working hours and headache/eyestrain in Korean wage workers during the COVID-19 pandemic: the sixth Korean Working Conditions Survey.","authors":"Gayoung Kim,&nbsp;Seong-Yong Cho,&nbsp;Jinseok Kim,&nbsp;Seongyong Yoon,&nbsp;Jisoo Kang,&nbsp;Si Young Kim","doi":"10.35371/aoem.2023.35.e8","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e8","url":null,"abstract":"<p><strong>Background: </strong>Prolonged use of visual display terminal (VDT) can cause eyestrain, dry eyes, blurred vision, double vision, headache and musculoskeletal symptoms (neck, shoulder, and wrist pain). VDT working hours among workers have greatly increased during the coronavirus disease 2019 (COVID-19) pandemic. Therefore, this study aimed to investigate the relationship between VDT working hours and headache/eyestrain in wage workers using data from the sixth Korean Working Conditions Survey (KWCS) (2020-2021) conducted during the COVID-19 pandemic.</p><p><strong>Methods: </strong>We analyzed the sixth KWCS data of 28,442 wage workers aged 15 years or older. The headache/eyestrain that occurred in the last year was assessed. The VDT work group included workers who use VDT always, almost always, and three-fourth of the working hours, while the non-VDT work group included workers who use VDT half of the working hours, one-fourth of the working hours, almost never, and never. To analyze the relationship between VDT working hours and headache/eyestrain, the odds ratios (ORs) and 95% confidence interval (CI) were calculated using logistic regression analysis.</p><p><strong>Results: </strong>Among the non-VDT work group, 14.4% workers experienced headache/eyestrain, whereas 27.5% workers of the VDT work group experienced these symptoms. For headache/eyestrain, the VDT work group showed adjusted OR of 1.94 (95% CI: 1.80-2.09), compared with the non-VDT work group, and the group that always used VDT showed adjusted OR of 2.54 (95% CI: 2.26-2.86), compared with the group that never used VDT.</p><p><strong>Conclusions: </strong>This study suggests that during the COVID-19 pandemic, as VDT working hours increased, the risk of headache/eyestrain increased for Korean wage workers.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e8"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7b/23/aoem-35-e8.PMC10277207.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9713557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correlation of commute time with the risk of subjective mental health problems: 6^th Korean Working Conditions Survey (KWCS).","authors":"Hyo Choon Lee,&nbsp;Eun Hye Yang,&nbsp;Soonsu Shin,&nbsp;Seoung Ho Moon,&nbsp;Nan Song,&nbsp;Jae-Hong Ryoo","doi":"10.35371/aoem.2023.35.e9","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e9","url":null,"abstract":"<p><strong>Background: </strong>Studies conducted so far on the link between commute time and mental health among Koreans remain insufficient. In this study, we attempted to identify the relationship between commute time and subjective mental health using the 6^th Korean Working Conditions Survey (KWCS).</p><p><strong>Methods: </strong>Self-reported commute time was divided into four groups: ≤ 30 (group 1), 30-60 (group 2), 60-120 (group 3), and > 120 minutes (group 4). Subjective depression was defined as a score of 50 points or less on the WHO-5 well-being index. Subjective anxiety and fatigue were defined as answering 'yes' to the questionnaire on whether they had experienced it over the past year. The analysis of variance, <i>t</i>-test, and χ² test was used to analyze the differences among the characteristics of the study participants according to commute time, depression, anxiety, and fatigue. Odds ratios (ORs) and 95% confidence intervals (CIs) for depression, anxiety, and fatigue according to commute time were calculated using multivariate logistic regression models adjusted for sex, age, monthly income, occupation, company size, weekly working hours, and shift work status.</p><p><strong>Results: </strong>Long commute times showed increased ORs and graded increasing trends for depression, anxiety, and fatigue. The ORs for depression increased significantly in group 2 (1.06 [1.01-1.11]), group 3 (1.23 [1.13-1.33]), and group 4 (1.31 [1.09-1.57]) compared to group 1 (reference). The ORs for anxiety increased significantly in group 2 (1.17 [1.06-1.29]), group 3 (1.43 [1.23-1.65]) and group 4 (1.89 [1.42-2.53]). The ORs for fatigue increased significantly in group 2 (1.09 [1.04-1.15]), group 3 (1.32 [1.21-1.43]), and group 4 (1.51 [1.25-1.82]).</p><p><strong>Conclusions: </strong>This study highlights that the risk of depression, anxiety, and fatigue increases with commute time.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e9"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/a6/fd/aoem-35-e9.PMC10277206.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9713553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The relationship between fatigue and sickness absence from work.","authors":"Minsun Kim,&nbsp;Jiho Kim,&nbsp;SeongCheol Yang,&nbsp;Dong-Wook Lee,&nbsp;Shin-Goo Park,&nbsp;Jong-Han Leem,&nbsp;Hwan-Cheol Kim","doi":"10.35371/aoem.2023.35.e32","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e32","url":null,"abstract":"<p><strong>Background: </strong>Although many studies have been conducted on worker fatigue and sickness absence, the association between fatigue and sickness absence is unclear in Korean workers. This study was conducted to investigate the effect of worker fatigue on future sickness absence.</p><p><strong>Methods: </strong>The study was conducted on workers who received medical check-ups at a university hospital for two consecutive years (2014-2015). During check-ups in the first year, the Fatigue Severity Scale (FSS) was used to assess fatigue levels, and during check-ups in the second year, sickness absence was surveyed to determine whether they had been absent from work due to physical or mental illness during previous 12 months. The χ² test was used to analyze relationships between sociodemographic and occupational characteristics, fatigue levels, and sickness absence. Odds ratios (ORs) were calculated by logistic regression analysis controlled for confounding factors.</p><p><strong>Results: </strong>A total of 12,250 workers were included in the study, and 396 (3.2%) workers experienced more than one day of sickness absence during the study period. Adjusted ORs for sickness absence were 3.35 (95% confidence interval [CI]: 2.64-4.28) in the moderate-fatigue group and 6.87 (95% CI: 4.93-9.57) in the high-fatigue group versus the low-fatigue group. For men in the moderate- and high-fatigue groups, adjusted ORs for sickness absence were 3.40 (95% CI: 2.58-4.48) and 8.94 (95% CI: 6.12-13.07), and for women in the moderate- and high-fatigue groups, adjusted ORs for sickness absence were 2.93 (95% CI: 1.68-5.10) and 3.71 (95% CI: 1.84-7.49), respectively.</p><p><strong>Conclusions: </strong>Worker fatigue is associated with sickness absence during the following 12 months, and this association appears to be stronger for men than women. These results support the notion that sickness absence can be reduced by evaluating and managing work-related fatigue.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e32"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3b/9a/aoem-35-e32.PMC10493375.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10606817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The use of ChatGPT in occupational medicine: opportunities and threats","authors":"Chayma Sridi, Salem Brigui","doi":"10.35371/aoem.2023.35.e42","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e42","url":null,"abstract":"ChatGPT has the potential to revolutionize occupational medicine by providing a powerful tool for analyzing data, improving communication, and increasing efficiency. It can help identify patterns and trends in workplace health and safety, act as a virtual assistant for workers, employers, and occupational health professionals, and automate certain tasks. However, caution is required due to ethical concerns, the need to maintain confidentiality, and the risk of inconsistent or inaccurate results. ChatGPT cannot replace the crucial role of the occupational health professional in the medical surveillance of workers and the analysis of data on workers’ health.","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135506527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Associations of chronotype and insomnia with menstrual problems in newly employed nurses at university hospitals in the Republic of Korea.","authors":"Han-Na Jung,&nbsp;Dongwhan Suh,&nbsp;Woo Chul Jeong,&nbsp;Jia Ryu,&nbsp;Yu-Mi Kim,&nbsp;Seohyun Yoon,&nbsp;Hyunjoo Kim","doi":"10.35371/aoem.2023.35.e30","DOIUrl":"https://doi.org/10.35371/aoem.2023.35.e30","url":null,"abstract":"<p><strong>Background: </strong>Dysmenorrhea and menstrual cycle changes occur in women working shifts. Circadian rhythm disruption and sleep disturbances associated with shift work leads to health problems. We identified chronotypes and the occurrence of insomnia among newly employed university hospital nurses and investigated the association of these factors with menstrual problems.</p><p><strong>Methods: </strong>We conducted pre-placement health examinations for shift workers using self-reported questionnaires between 2018 and 2020. A total of 463 nurses were included in the study. Sociodemographic data, shift work experience, and information on insomnia were collected from health examination data. In addition, details regarding chronotype, dysmenorrhea, irregular and abnormal menstrual cycles, amenorrhea, and contraceptive use were obtained from the questionnaire. Multiple logistic regression analysis was performed to study the association between chronotype, insomnia, and menstrual problems after controlling for age, body mass index, contraceptive use, amenorrhea, and prior shift work.</p><p><strong>Results: </strong>The prevalence rates of dysmenorrhea, irregular menstrual cycles, and longer menstrual cycles were 23.8%, 14.9%, and 4.1%, respectively. The risk of dysmenorrhea increased in the evening-type (odds ratio [OR]: 3.209; 95% confidence interval [CI]: 1.685-6.113) and those with insomnia (OR: 1.871; 95% CI: 1.074-3.261). Additionally, the risk of an irregular menstrual cycle (OR: 2.698; 95% CI: 1.167-6.237) increased in the evening-type, and the risk of a longer menstrual cycle (OR: 4.008; 95% CI: 1.354-11.864) increased in individuals with insomnia.</p><p><strong>Conclusions: </strong>Our findings suggest that dysmenorrhea is promoted in the evening-type and insomnia individuals. There may be an increased risk of irregular menstrual cycles among evening-type nurses and an increased risk of longer menstrual cycles among those with insomnia. Therefore, factors such as evening-type and insomnia should be considered for the prevention of menstrual problems in women performing shift work.</p>","PeriodicalId":46631,"journal":{"name":"Annals of Occupational and Environmental Medicine","volume":"35 ","pages":"e30"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/cf/64/aoem-35-e30.PMC10493377.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10232600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}