Association between shift work and suicidal ideation: data from the Korea National Health and
                    Nutrition Examination Survey (2008–2016)

Kim, Kyoung Kon; Lee, Kyu Rae; Suh, Heuy Sun; Ko, Ki Dong; Hwang, In Cheol

doi:10.5271/sjweh.3812

Cited by 14 publications

(13 citation statements)

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“…Male shift workers exhibited greater suicidal ideation than women in the Korea National Health and Nutrition Examination Survey, which consists of approximately 10,000 individuals each year. However, 25% of participants were excluded for missing data on mental health, and relatively broad questions about working conditions were perhaps not good descriptors of specific manufacturing industries 30 . Another study in Korea found that female shift workers (vs. day workers) had an increased risk (1.45), whereas male shift workers did not 31 .…”

Section: Discussionmentioning

confidence: 99%

“…However, 25% of participants were excluded for missing data on mental health, and relatively broad questions about working conditions were perhaps not good descriptors of specific manufacturing industries. 30 Another study in Korea found that female shift workers (vs. day workers) had an increased risk (1.45), whereas male shift workers did not. 31 It was hypothesized that this was due to the greater responsibility for homemaking and childcare among women.…”

Section: Stratification By Shift Work Sleep Quality and Work Stressmentioning

confidence: 99%

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Effects of work stress, sleep, and shift work on suicidal ideation among female workers in an electronics company

Son

Lee

2021

American J Industrial Med

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Background Suicide is the leading cause of death in young adults in Korea. Stress in the workplace affects the suicide rate; young female workers are particularly vulnerable to adverse work environments. We investigated the relationships of shift work, sleep, and work stress to suicidal ideation. Methods This study used data from 508 female workers aged 22–40 years in an electronics company. Data on baseline characteristics, work patterns, sleep quality (using the Pittsburgh Sleep Quality Index), and work stress levels using the Korean Occupational Stress Scale (KOSS) were obtained from questionnaires. We examined associations between suicidal ideation and shift work, sleep quality, and KOSS scores. Results Suicidal ideation was significantly higher among shift workers (odds ratio [OR], 2.38; 95% confidence interval [CI], 1.31–4.32), those with poor sleep (OR, 2.84; 95% CI, 1.68–4.84), and those with high work stress (OR, 3.30; 95% CI, 1.82–6.00). Both 3 × 12 h shift workers (OR, 2.98; 95% CI, 1.35–6.57) and 4 × 8 h shift workers (OR, 2.14; 95% CI, 1.03–4.45) had increased suicidal ideation. High work stress (OR, 11.55; 95% CI, 2.93–45.48) had stronger associations with suicidal ideation than poor sleep (OR, 3.86; 95% CI, 1.21–12.33) in shift workers. The combined effect of poor sleep and high KOSS on suicidal ideation was stronger in shift workers (OR, 13.39; 95% CI, 3.22–55.62) than day workers (OR, 4.31; 95% CI, 1.03–18.01). Conclusions Shift workers are more vulnerable than day workers to the combination of work stress and poor sleep quality as well as to work stress alone.

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Section: Discussionmentioning

confidence: 99%

Section: Stratification By Shift Work Sleep Quality and Work Stressmentioning

confidence: 99%

Effects of work stress, sleep, and shift work on suicidal ideation among female workers in an electronics company

Son

Lee

2021

American J Industrial Med

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“…Numerous personal factors, such as young age, being a woman, unmarried status, underweight, and low education level, are reported as risk factors for suicidal ideation [ 8 9 10 11 ]. Factors related to the work environment, including precarious employment, high workplace stress, long working hours, night or shift work, bullying behaviors, and burnout, are also reported as risk factors for suicide [ 12 13 14 15 16 ].…”

Section: Introductionmentioning

confidence: 99%

A study of job stress, suicidal ideation and suicide attempts in display manufacturing workers: a cross-sectional study

Ahn

Lee

Jang

et al. 2020

Ann Occup Environ Med

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Background This study aimed to investigate the association between job stress and suicide ideation/attempts among display manufacturing workers. Methods Data were collected from 836 workers in a display manufacturing company who participated in health screenings from May 22 to June 16, 2017. The data included general characteristics, night work, job tenure, previous physician-diagnosed chronic diseases, suicidal ideation/suicide attempts, and job stress. We investigated suicidal ideation/suicide attempts that covered the past year by using a self-reported questionnaire. Job stress was measured using the 43-item Korean Occupational Stress Scale. Multiple logistic regression analysis was used to investigate the association between job stress and suicidal ideation/suicide attempts. The mediator effect of depression on suicidal ideation/suicide attempts was tested using a series of logistic regression by applying Baron and Kenny's mediation method. Results In the model adjusting for variables (e.g., age, body mass index, smoking, alcohol consumption, regular exercise, shift work, job tenure, chronic disease and depression), physical environment (OR: 3.60, 95% CI: 1.08–12.02), lack of reward (OR: 5.31, 95% CI: 1.54–18.34), and occupation climate (OR: 7.36, 95% CI: 2.28–23.72) were correlated with suicidal ideation/suicide attempts in women. However, all subscales of job stress were not significantly correlated with suicidal ideation/suicide attempts in men. In mediation analysis, job instability and occupational climate were correlated with suicidal ideation/suicide attempts and were mediated by depression in men workers. Conclusions In women workers, the experiences of suicidal ideation/suicide attempts were significantly correlated with the physical environment, lack of reward, and occupational climate that were subscales of job stress. In men workers, depression rather than job stress was correlated with experiences of suicidal ideation/suicide attempts.

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“…This leads to increased vulnerability to the development of stress-related mental health problems, including suicide. 7 Work hours that result in non-standard sleep can impair an individual's ability to sleep and cause shorter sleep durations, severe sleep debt, and daytime sleepiness with a more prolonged recovery time. 8 A recent review has reported that shift workers have shorter total sleep times than daytime workers.…”

Section: Introductionmentioning

confidence: 99%

“…9 In contrast, Härmä et al 10 have suggested that shift work with/without night shifts are associated with increased fatigue and longer sleep times (≥9 hours/day). Sleep disturbances related with shift work are a central mechanism for the relationship between shift work and suicide; 7 therefore, it is important to investigate…”

Section: Introductionmentioning

confidence: 99%

Association of Sleep Duration and Working Hours with Suicidal Ideation in Shift Workers: The Korean National Health and Nutrition Examination Survey 2007–2018

Kim

Lim

2021

Psychiatry Investig

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Objective This study investigated whether sleep duration and working hours were associated with the risk of suicidal ideation.Methods Data from 13,628 shift workers (age ≥19) were obtained from the nationwide cross-sectional Korea National Health and Nutrition Examination Surveys conducted in 2007–2018. We included healthy shift workers without depressive disorders and chronic medical illnesses. Sleep duration, working hours, and suicidal ideation were assessed using a self-reported questionnaire. Logistic regressions were used to examine the association of sleep duration and working hours with the risk of suicidal ideation. We examined interactions between sleep duration and working hours in association with suicidal ideation. In addition, interactions of sex or age were also analyzed.Results Shift workers sleeping for <6 and ≥10 hours/day were associated with suicidal ideation compared with those sleeping for 7 to <9 hours/day. Individuals working >52 hours/week had a higher risk of suicidal ideation compared with those working ≤40 hours/week. In terms of interaction by sex or age groups in the association between working hours and the risk of suicidal ideation, the relationship was stronger for men than for women and for those aged <45 years than for those aged ≥45 years.Conclusion Shorter or longer sleep durations, and long working hours were associated with a higher risk of suicidal ideation. Under long working hours, male shift workers or those aged <45 years were more vulnerable to suicidal ideation.

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Association between shift work and suicidal ideation: data from the Korea National Health and Nutrition Examination Survey (2008–2016)

Cited by 14 publications

References 0 publications

Effects of work stress, sleep, and shift work on suicidal ideation among female workers in an electronics company

Effects of work stress, sleep, and shift work on suicidal ideation among female workers in an electronics company

A study of job stress, suicidal ideation and suicide attempts in display manufacturing workers: a cross-sectional study

Association of Sleep Duration and Working Hours with Suicidal Ideation in Shift Workers: The Korean National Health and Nutrition Examination Survey 2007–2018

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