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The role of supervisor support in the association between night work and depressive symptoms: a gender-stratified analysis of 22,422 full-time wage workers in South Korea
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Hee Won Kim, Ji-Hwan Kim, Garin Lee, Hye-Lin Lee, Hayoung Lee, Seung-Sup Kim
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Epidemiol Health. 2024;e2024079. Published online September 25, 2024
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DOI: https://doi.org/10.4178/epih.e2024079
[Accepted]
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Abstract
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Abstract
OBJECTIVES This study investigated the relationship between night work, supervisor support, and depressive symptoms among full-time wage workers, with a focus on gender differences.
METHODS A nationwide sample of 22,422 full-time wage workers from the Sixth Korean Working Conditions Survey (2020-2021) was analyzed. Experiences of night work were categorized into 5 groups based on the number of night work days per month: 0, 1-5, 6-10, 11-15, and 16-31. Depressive symptoms were evaluated using the 5-item World Health Organization Well-Being Index. Supervisor support was assessed with 5 items.
RESULTS Workers who engaged in 1-5 days (prevalence ratio [PR], 1.23; 95% CI, 1.12-1.36) and 6-10 days (PR, 1.17; 95% CI, 1.06-1.30) of night work per month exhibited a higher prevalence of depressive symptoms than those without night work. After stratifying by supervisor support levels, workers with 1-5, 6-10 and 11-15 days of night work per month were more likely to experience depressive symptoms compared to those without night work in the low supervisor support group. In contrast, no association was found between night work (≥ 6 days) and depressive symptoms in the high supervisor support group. Furthermore, gender differences were notable: female workers with 6-10 days (PR, 1.45; 95% CI, 1.23-1.70), and 11-15 days (PR, 1.43; 95% CI, 1.08-1.90) of night work per month exhibited a higher prevalence of depressive symptoms, whereas their male counterparts did not. This pattern of gender difference was also found among those with low supervisor support.
CONCLUSIONS Supervisor support may mitigate the adverse effects of night work on depressive symptoms among full-time wage workers, with differences manifested across genders.
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Summary
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Lack of compensation for COVID-19-related overtime work and its association with burnout among EMS providers in Korea
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Ji-Hwan Kim, Jaehong Yoon, Soo Jin Kim, Ja Young Kim, Jinwook Bahk, Seung-Sup Kim
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Epidemiol Health. 2023;45:e2023058. Published online June 15, 2023
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DOI: https://doi.org/10.4178/epih.e2023058
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Abstract
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Abstract
OBJECTIVES This study examined the association between lack of compensation for COVID-19-related overtime work (LCCOW) and burnout among emergency medical service (EMS) providers in Seoul, Korea.
METHODS We conducted a cross-sectional survey of 693 EMS providers in Seoul, Korea. Participants were classified into 3 groups according to their experience of coronavirus disease 2019 (COVID-19)-related overtime work and LCCOW: (1) “did not experience,” (2) “experienced and was compensated,” and (3) “experienced and was not compensated.” Burnout was measured using the Korean version of the Copenhagen Burnout Inventory, which has 3 subdomains: personal burnout (PB), work-related burnout (WRB), and citizen-related burnout (CRB). Multiple linear regression was applied to examine whether LCCOW was associated with burnout after adjusting for potential confounders.
RESULTS In total, 74.2% of participants experienced COVID-19-related overtime work, and 14.6% of those who worked overtime experienced LCCOW. COVID-19-related overtime work showed a statistically non-significant association with burnout. However, the association differed by LCCOW. Compared to the “did not experience” group, the “experienced and was not compensated” group was associated with PB (β=10.519; 95% confidence interval [CI], 3.455 to 17.584), WRB (β=10.339; 95% CI, 3.398 to 17.280), and CRB (β=12.290; 95% CI, 6.900 to 17.680), whereas no association was observed for the “experienced and was compensated” group. Furthermore, an analysis restricted to EMS providers who worked overtime due to COVID-19 showed that LCCOW was associated with PB (β=7.970; 95% CI, 1.064 to 14.876), WRB (β=7.276; 95% CI, 0.270 to 14.283), and CRB (β=10.000; 95% CI, 3.435 to 16.565).
CONCLUSIONS This study suggests that LCCOW could be critical in worsening burnout among EMS providers who worked overtime due to COVID-19.
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Summary
Korean summary
본 연구는 2021년에 진행된 서울시 구급대원 693 명의 설문조사 자료를 이용해서 COVID-19으로 인한 초과근무 경험에 대한 보상 부족과 번아웃의 연관성을 살펴보았다. 초과근무 경험이 없었던 구급대원의 번아웃 점수와 비교할 때, 초과근무 경험이 있고 항상 적절한 보상을 받은 구급대원의 번아웃 점수는 통계적으로 유의한 차이가 관찰되지 않았지만, 초과근무 경험이 있고 적절한 보상을 받지 못한 적이 있는 구급대원의 번아웃 점수는 통계적으로 유의하게 높게 나타났다. 초과근무를 경험한 구급대원으로 한정한 분석에서는 적절한 보상을 항상 받은 구급대원에 비해서 적절한 보상을 받지 못한 적이 있는 구급대원의 번아웃 점수가 통계적으로 유의하게 높았다.
Key Message
Using a survey of 693 EMS providers in Seoul, Korea, we examined the association between lack of compensation for COVID-19-related overtime work (LCCOW) and burnout. Higher scores of burnouts were observed among those with LCCOW, but not among those without LCCOW, compared to the EMS providers who did not experience overtime work due to COVID-19. Furthermore, in the analysis restricted to EMS providers who had worked overtime due to COVID-19, LCCOW was associated with burnout.
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Citations
Citations to this article as recorded by
- Effects of Post-COVID-19 Syndrome on Quality of Life Among Airline Crew
Jung-Ha Kim, Seunghye Choi Workplace Health & Safety.2024; 72(9): 374. CrossRef - People-Oriented Culture and Its Association With Burnout, Depressive Symptoms, and Sleep Problems During COVID-19 Pandemic Among EMS Providers in Korea
Ji-Hwan Kim, Jaehong Yoon, Soo Jin Kim, Ja Young Kim, Seung-Sup Kim Journal of Occupational & Environmental Medicine.2024; 66(8): e359. CrossRef
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Health inequalities of 57,541 prisoners in Korea: a comparison with the general population
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Seohyun Yoon, Young-Su Ju, Jaehong Yoon, Ji-Hwan Kim, Bokyoung Choi, Seung-Sup Kim
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Epidemiol Health. 2021;43:e2021033. Published online May 6, 2021
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DOI: https://doi.org/10.4178/epih.e2021033
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Abstract
OBJECTIVES This study aimed to examine health disparities between prisoners and the general population in Korea.
METHODS We sought to estimate the prevalence of 17 physical and mental diseases using the nationwide medication prescription dataset among the total population of prisoners (n=57,541) in Korea. Age- and sex- standardized prevalence ratios (SPRs) were estimated to compare the disease prevalence between the prisoners and the general population. The disease prevalence for the general population was calculated from the prescription dataset for a representative of the Korean population (n=926,246) from the 2013 Korean National Health Insurance Service-National Sample Cohort. Furthermore, the prevalence of these diseases was compared between prisoners and a low-income segment of the general population (n=159,781).
RESULTS Compared to the general population, prisoners had higher prevalence of almost all physical and mental diseases, including hyperlipidemia (SPR, 20.18; 95% confidence interval [CI], 19.43 to 20.94), pulmonary tuberculosis (SPR, 9.58; 95% CI, 7.91 to 11.50), diabetes (SPR, 6.13; 95% CI, 5.96 to 6.31), cancer (SPR, 2.36; 95% CI, 2.07 to 2.68), and depression (SPR, 46.73; 95% CI, 44.14 to 49.43). When compared with the low-income population segment, higher prevalence were still found among prisoners for most diseases, including pulmonary tuberculosis (SPR, 6.39; 95% CI, 5.27 to 7.67) and depression (SPR, 34.71; 95% CI, 32.79 to 36.72).
CONCLUSIONS We found that prisoners were more likely to be unhealthy than the general population, even in comparison with a low-income segment of the general population in Korea.
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Summary
Korean summary
이 연구는 대한민국 재소자 전수(전국 총 52개 정부운영 교정시설 재소자 57,541명)를 대상으로 법무부 전체 구금시설 의료실태 현황조사 자료를 이용해 신체적∙정신적 건강상태를 파악하고자 하였다. 그 결과를 성∙연령별 표준화율을 적용해 일반인구집단의 국민건강보험공단 표본 코호트 자료와 비교했을 때 재소자들은 고지혈증, 폐결핵, 우울증 등 대부분의 질병에서 일반인구집단보다 더 높은 유병률을 보였다. 이러한 결과는 저소득 일반인구집단과의 비교에서도 유사하게 나타났다.
Key Message
This study aimed to assess mental and physical health conditions among the total population of 57,541 prisoners in all 52 government correctional facilities. And we sought to estimate age- and sex- standardized prevalence ratios to compare the disease prevalence between the prisoners and the general population. Prisoners were more likely to have most of physical and mental diseases (including hyperlipidemia, pulmonary tuberculosis, and depression) than the general population in Korea.
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Citations
Citations to this article as recorded by
- Effects of the COVID-19 pandemic on people experiencing incarceration: a systematic review
Darius Benedict Williams, Bethany Spinks, Denitza Williams, Ruth Lewis, Francesca Bull, Adrian Edwards BMJ Open.2024; 14(4): e076451. CrossRef - Prevalence of latent tuberculosis infection among participants of the national LTBI screening program in South Korea – A problem of low coverage rate with current LTBI strategy
Hyung Woo Kim, Jinsoo Min, Joon Young Choi, Ah Young Shin, Jun-Pyo Myong, Yunhee Lee, Hyeon Woo Yim, Hyunsuk Jeong, Sanghyuk Bae, Hoyong Choi, Hyekyung In, Ahyoung Park, Miri Jang, Hyeon-Kyoung Koo, Sung-Soon Lee, Jae Seuk Park, Ju Sang Kim Frontiers in Public Health.2023;[Epub] CrossRef
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Gender differences in under-reporting hiring discrimination in Korea: a machine learning approach
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Jaehong Yoon, Ji-Hwan Kim, Yeonseung Chung, Jinsu Park, Glorian Sorensen, Seung-Sup Kim
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Epidemiol Health. 2021;43:e2021099. Published online November 17, 2021
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DOI: https://doi.org/10.4178/epih.e2021099
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OBJECTIVES This study was conducted to examine gender differences in under-reporting hiring discrimination by building a prediction model for workers who responded “not applicable (NA)” to a question about hiring discrimination despite being eligible to answer.
METHODS Using data from 3,576 wage workers in the seventh wave (2004) of the Korea Labor and Income Panel Study, we trained and tested 9 machine learning algorithms using “yes” or “no” responses regarding the lifetime experience of hiring discrimination. We then applied the best-performing model to estimate the prevalence of experiencing hiring discrimination among those who answered “NA.” Under-reporting of hiring discrimination was calculated by comparing the prevalence of hiring discrimination between the “yes” or “no” group and the “NA” group.
RESULTS Based on the predictions from the random forest model, we found that 58.8% of the “NA” group were predicted to have experienced hiring discrimination, while 19.7% of the “yes” or “no” group reported hiring discrimination. Among the “NA” group, the predicted prevalence of hiring discrimination for men and women was 45.3% and 84.8%, respectively.
CONCLUSIONS This study introduces a methodological strategy for epidemiologic studies to address the under-reporting of discrimination by applying machine learning algorithms.
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Summary
Korean summary
본 연구는 한국노동패널조사(7차년도)에 포함된 3576명의 임금근로자의 자료를 이용해 성별에 따른 구직 과정 경험한 차별에 대한 과소보고의 규모를 확인하고자 하였다. 질문에 “예” 또는 “아니요”라고 응답한 임금근로자 3479명 데이터를 이용하여 고용 시 차별경험을 예측하는 머신러닝 모형을 구축하였고, 이를 활용해 이미 직장에서 일하고 있는 상태임에도 “해당사항 없음”이라고 응답한 임금근로자 97명이 차별을 경험했는지 여부를 예측하였다. 분석결과, “해당사항 없음”이라고 답한남성 근로자 64명 중 29명(45.3%), 여성 근로자 33명 중 28명(84.8%)가 실제로 차별을 경험한 것으로 추정되었다.
Key Message
We examined gender differences in under-reporting hiring discrimination for wage workers who responded “not applicable(NA)” to a question about hiring discrimination despite being eligible to answer “yes” or “no.” Using data from 3,576 wage workers of the Korea Labor and Income Panel Study, we estimated the prevalence of hiring discrimination among those who answered “NA,” based on the best-performing machine learning prediction model for “yes” or “no” group. Among the “NA” group, the predicted prevalence of hiring discrimination for men and women was 45.3% and 84.8%, respectively.
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