The Impact of Work Hours on Depressive Symptoms among Koreans Aged 45 and Over
Abstract
:1. Introduction
2. Methods
2.1. Data
2.2. Sample
2.3. Outcome Measures
2.4. Work Hours
2.5. Control Variables
2.6. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Acknowledgments
Conflicts of Interest
References
- Butterworth, P.; Gill, S.C.; Rodgers, B.; Anstey, K.J.; Villamil, E.; Melzer, D. Retirement and mental health: Analysis of the australian national survey of mental health and well-being. Soc. Sci. Med. 2006, 62, 1179–1191. [Google Scholar] [CrossRef] [PubMed]
- Melzer, D.; Buxton, J.; Villamil, E. Decline in common mental disorder prevalence in men during the sixth decade of life. Evidence from the national psychiatric morbidity survey. Soc. Psychiatry Psychiatr. Epidemiol. 2004, 39, 33–38. [Google Scholar] [CrossRef] [PubMed]
- Howe, N.; Jackson, R.; Nakashima, K. The Aging of Korea: Demographics and Retirement Policy in the Land of the Morning Calm; Center for Strategic and International Studies: Washington, DC, USA, 2007; p. 52. [Google Scholar]
- Statistics Korea. Economically Active Population Survey; Statistics Korea: Daejeon, Korea, 2016.
- Organization for Economic Cooperation and Development. Ageing and Employment Policies. Available online: http://www.oecd.org/employment/ageingandemploymentpolicies.htm (accessed on 22 December 2020).
- Jung, C.S. Labor Market and Labor Policy in Aging Society; Korea Labor Institute: Seoul, Korea, 2003. [Google Scholar]
- Ministry of Health and Welfare. Korea Health Statistics 2017: Korea National Health and Nutrition Examination Survey; Ministry of Health and Welfare: Sejong, Korea, 2020.
- Arnow, B.A.; Blasey, C.M.; Lee, J.; Fireman, B.; Hunkeler, E.M.; Dea, R.; Robinson, R.; Hayward, C. Relationships among depression, chronic pain, chronic disabling pain, and medical costs. Psychiatr. Serv. 2009, 60, 344–350. [Google Scholar] [CrossRef] [PubMed]
- Egede, L.E. Major depression in individuals with chronic medical disorders: Prevalence, correlates and association with health resource utilization, lost productivity and functional disability. Gen. Hosp. Psychiatry 2007, 29, 409–416. [Google Scholar] [CrossRef] [PubMed]
- Bambrick, P.; Bonder, B. Older adults’ perceptions of work. Work 2005, 24, 77–84. [Google Scholar]
- Mor-Barak, M.E. The meaning of work for older adults seeking employment: The generativity factor. Int. J. Aging Hum. Dev. 1995, 41, 325–344. [Google Scholar] [CrossRef]
- Bannai, A. The association between long working hours and health: A systematic review of epidemiological evidence. Scand. J. Work Environ. Health 2014, 40, 5. [Google Scholar] [CrossRef]
- Tsuno, K.; Kawachi, I.; Inoue, A.; Nakai, S.; Tanigaki, T.; Nagatomi, H.; Kawakami, N.; Group, J. Long working hours and depressive symptoms: Moderating effects of gender, socioeconomic status, and job resources. Int. Arch. Occup. Environ. Health 2019, 92, 661–672. [Google Scholar] [CrossRef]
- Kim, W.; Park, E.-C.; Lee, T.-H.; Kim, T.H. Effect of working hours and precarious employment on depressive symptoms in South Korean employees: A longitudinal study. Occup. Environ. Med. 2016, 73, 816–822. [Google Scholar] [CrossRef]
- Calvo, E. Does Working Longer Make People Healthier and Happier? Work Opportunities Brief, Series 2. Available online: http://crr.bc.edu/wp-content/uploads/2006/02/wob_2.pdf (accessed on 20 January 2021).
- Bergdahl, E.; Allard, P.; Alex, L.; Lundman, B.; Gustafson, Y. Gender differences in depression among the very old. Int. Psychogeriatr. 2007, 19, 1125–1140. [Google Scholar] [CrossRef]
- Read, J.n.G.; Gorman, B.K. Gender and health revisited. In Handbook of the Sociology of Health, Illness, and Healing; Springer: Berlin/Heidelberg, Germany, 2011; pp. 411–429. [Google Scholar]
- Gatz, M.; Hurwicz, M.-L. Are old people more depressed? Cross-sectional data on center for epidemiological studies depression scale factors. Psychol. Aging 1990, 5, 284. [Google Scholar] [CrossRef] [PubMed]
- Korea Employment Information Service. About Korean Longitudinal Study of Aging. Available online: https://survey.keis.or.kr/eng/klosa/klosa01.jsp (accessed on 20 December 2020).
- Korean Labour Institute Seoul. User Guide for Korean Longitudinal Study of Aging; Korean Labour Institute Seoul: Seoul, Korea, 2007. [Google Scholar]
- Kohout, F.J.; Berkman, L.F.; Evans, D.A.; Cornoni-Huntley, J. Two shorter forms of the CES-D (Centre for Epidemiological Studies Depression Scale) depression symptoms index. J. Aging Health 1993, 5, 179–193. [Google Scholar] [CrossRef] [PubMed]
- Irwin, M.; Artin, K.H.; Oxman, M.N. Screening for depression in the older adult: Criterion validity of the 10-item center for epidemiological studies depression scale (CES-D (Centre for Epidemiological Studies Depression Scale)). Arch. Intern. Med. 1999, 159, 1701–1704. [Google Scholar]
- Jung, C.S. Working-time reductions and changes in employment: The case of Korea. J. Converg. Inf. Technol. 2013, 8, 429. [Google Scholar]
- Jang, S.-N.; Kawachi, I.; Chang, J.; Boo, K.; Shin, H.-G.; Lee, H.; Cho, S.-I. Marital status, gender, and depression: Analysis of the baseline survey of the korean longitudinal study of ageing (klosa). Soc. Sci. Med. 2009, 69, 1608–1615. [Google Scholar] [CrossRef]
- Park, J.H.; Kwon, Y.C. Modification of the mini-mental state examination for use in the elderly in a non-western society. Part 1. Development of korean version of mini-mental state examination. Int. J. Geriatr. Psychiatry 1990, 5, 381–387. [Google Scholar] [CrossRef]
- Liang, K.Y.; Zeger, S.L. Regression analysis for correlated data. Annu. Rev. Public Health 1993, 14, 43–68. [Google Scholar] [CrossRef]
- Homish, G.G.; Edwards, E.P.; Eiden, R.D.; Leonard, K.E. Analyzing family data: A gee approach for substance use researchers. Addict. Behav. 2010, 35, 558–563. [Google Scholar] [CrossRef] [Green Version]
- Varma, A.; Marott, J.L.; Stoltenberg, C.D.; Wieclaw, J.; Kolstad, H.A.; Bonde, J.P. With long hours of work, might depression then lurk? A nationwide prospective follow-up study among danish senior medical consultants. Scand. J. Work Environ. Health 2012, 38, 418–426. [Google Scholar] [CrossRef] [Green Version]
- Möller-Leimkühler, A.M. The gender gap in suicide and premature death or: Why are men so vulnerable? Eur. Arch. Psychiatry Clin. Neurosci. 2003, 253, 1–8. [Google Scholar] [CrossRef]
- Nordenmark, M. Unemployment, Employment Commitment and Well-Being: The Psychosocial Meaning of (Un)Employment among Women and Men; Umeå Universitet: Umeå, Sweden, 1999. [Google Scholar]
- Oliffe, J.L.; Han, C.S. Beyond workers’ compensation men’s mental health in and out of work. Am. J. Men’s Health 2014, 8, 45–53. [Google Scholar] [CrossRef] [Green Version]
- Riecher-Rössler, A. Prospects for the classification of mental disorders in women. Eur. Psychiatry 2010, 25, 189–196. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Blofield, M.; Martínez Franzoni, J. Maternalism, co-responsibility, and social equity: A typology of work–family policies. Soc. Politics 2015, 22, 38–59. [Google Scholar] [CrossRef]
- Labaka, A.; Goñi-Balentziaga, O.; Lebeña, A.; Pérez-Tejada, J. Biological sex differences in depression: A systematic review. Biol. Res. Nurs. 2018, 20, 383–392. [Google Scholar] [CrossRef] [PubMed]
- Hakim, C. Five feminist myths about women’s employment. Br. J. Sociol. 1995, 46, 429–455. [Google Scholar] [CrossRef] [PubMed]
- Jeon, G.-S.; Jang, S.-N.; Rhee, S.-J.; Kawachi, I.; Cho, S.-I. Gender differences in correlates of mental health adjamong elderly Koreans. J. Gerontol. Ser. B Psychol. Sci. Soc. Sci. 2007, 62, S323–S329. [Google Scholar]
- Goode, W.J. A theory of role strain. Am. Sociol. Rev. 1960, 25, 483–496. [Google Scholar] [CrossRef]
- Pearlin, L.I. The sociological study of stress. J. Health Soc. Behav. 1989, 30, 241–256. [Google Scholar] [CrossRef]
- Chen, L.; Stevinson, C.; Ku, P.; Chang, Y.; Chu, D. Relationships of leisure-time and non-leisure-time physical activity with depressive symptoms: A population-based study of Taiwanese older adults. Int. J. Behav. Nutr. Phys. Act. 2012, 9, 1–10. [Google Scholar] [CrossRef] [Green Version]
- Schwarzbach, M.; Luppa, M.; Forstmeier, S.; König, H.H.; Riedel-Heller, S.G. Social relations and depression in late life—A systematic review. Int. J. Geriatr. Psychiatry 2014, 29, 1–21. [Google Scholar] [CrossRef]
- Geiger-Brown, J.; Muntaner, C.; Lipscomb, J.; Trinkoff, A. Demanding work schedules and mental health in nursing assistants working in nursing homes. Work Stress 2004, 18, 292–304. [Google Scholar] [CrossRef]
- Forbes, M.K.; Spence, K.M.; Wuthrich, V.M.; Rapee, R.M. Mental health and wellbeing of older workers in australia. Work Aging Retire. 2015, 1, 202–213. [Google Scholar] [CrossRef]
- Yoon, M. Direction of Policy for Working Older Adults in Seoul. In Research, Department of Urban Social Research; The Seoul Institute: Seoul, Korea, 2016. [Google Scholar]
- Yoon, M.S.; Sur, M.H. The lives of the working elders in seoul. In Department of Urban Social Research; The Seoul Institute: Seoul, Korea, 2015. [Google Scholar]
Variable | Male | Female | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % a | Mean | ± | S.D | p-Value | N | % b | Mean | ± | S.D | p-Value | |
Working hours | ||||||||||||
Unemployed (0 h) | 1867 | 43.7 | 3.0 | ± | 2.6 | <0.0001 | 4226 | 75.9 | 3.4 | ± | 2.8 | <0.0001 |
1–40 h | 436 | 10.2 | 2.1 | ± | 2.1 | 348 | 6.3 | 2.9 | ± | 2.7 | ||
41–68 h | 1571 | 36.8 | 1.9 | ± | 1.8 | 721 | 12.9 | 2.4 | ± | 2.4 | ||
≥69 h | 401 | 9.4 | 2.2 | ± | 2.2 | 275 | 4.9 | 2.9 | ± | 2.6 | ||
Education level | ||||||||||||
Lower than elementary school graduate | 1351 | 31.6 | 3.1 | ± | 2.6 | <0.0001 | 3272 | 58.7 | 3.8 | ± | 2.9 | <0.0001 |
Middle school graduate | 728 | 17.0 | 2.5 | ± | 2.4 | 854 | 15.3 | 2.7 | ± | 2.4 | ||
High school graduate | 1443 | 33.8 | 2.1 | ± | 2.1 | 1178 | 21.2 | 2.2 | ± | 2.2 | ||
Upper than college graduate | 753 | 17.6 | 1.8 | ± | 1.8 | 266 | 4.8 | 1.8 | ± | 1.8 | ||
Age | ||||||||||||
Mean ± SD | 61.4 | ± | 10.3 | 62.1 | ± | 11.5 | ||||||
Marital status | ||||||||||||
Married | 285 | 6.7 | 2.3 | ± | 2.2 | <0.0001 | 1778 | 31.9 | 2.8 | ± | 2.5 | <0.0001 |
Single/widowed/divorced/separated | 3990 | 93.3 | 4.2 | ± | 3.1 | 3792 | 68.1 | 4.1 | ± | 2.9 | ||
Equivalent Household income | ||||||||||||
Q1 (Low) | 922 | 21.6 | 3.1 | ± | 2.6 | <0.0001 | 1500 | 26.9 | 3.9 | ± | 2.9 | <0.0001 |
Q2 | 1084 | 25.4 | 2.7 | ± | 2.5 | 1482 | 26.6 | 3.5 | ± | 2.8 | ||
Q3 | 1360 | 31.8 | 2.3 | ± | 2.2 | 1601 | 28.7 | 2.7 | ± | 2.5 | ||
Q4 (High) | 909 | 21.3 | 1.7 | ± | 1.8 | 987 | 17.7 | 2.3 | ± | 2.3 | ||
Wealth | ||||||||||||
Q1 (Low) | 1080 | 25.3 | 3.0 | ± | 2.7 | <0.0001 | 1917 | 34.4 | 3.9 | ± | 3.0 | <0.0001 |
Q2 | 970 | 22.7 | 2.6 | ± | 2.4 | 1210 | 21.7 | 3.3 | ± | 2.7 | ||
Q3 | 1112 | 26.0 | 2.2 | ± | 2.0 | 1216 | 21.8 | 2.7 | ± | 2.4 | ||
Q4 (High) | 1113 | 26.0 | 2.0 | ± | 2.0 | 1227 | 22.0 | 2.4 | ± | 2.3 | ||
Number of cigarette smoked per day | ||||||||||||
Non-smoker | 2589 | 60.6 | 2.6 | ± | 2.4 | 0.020 | 5402 | 97.0 | 3.3 | ± | 2.8 | <0.0001 |
1–20 | 1533 | 35.9 | 2.5 | ± | 2.5 | 162 | 2.9 | 4.7 | ± | 3.2 | ||
≥21 | 153 | 3.6 | 2.2 | ± | 2.3 | 6 | 0.1 | 6.5 | ± | 3.3 | ||
Drinking status | ||||||||||||
Yes | 1574 | 36.8 | 2.7 | ± | 2.5 | 0.017 | 4536 | 81.4 | 3.2 | ± | 2.7 | 0.185 |
No | 2701 | 63.2 | 2.3 | ± | 2.2 | 1034 | 18.6 | 3.1 | ± | 2.7 | ||
Number of chronic diseases | ||||||||||||
None | 2466 | 57.7 | 2.1 | ± | 2.1 | <0.0001 | 2727 | 49.0 | 2.5 | ± | 2.4 | <0.0001 |
1 | 1166 | 27.3 | 2.7 | ± | 2.5 | 1675 | 30.1 | 3.5 | ± | 2.8 | ||
2+ | 643 | 15.0 | 3.4 | ± | 2.8 | 1168 | 21.0 | 4.4 | ± | 3.0 | ||
IADL disability | ||||||||||||
Yes | 695 | 16.3 | 2.9 | ± | 2.6 | 0.000 | 700 | 12.6 | 4.5 | ± | 3.0 | <0.0001 |
No | 3580 | 83.7 | 2.3 | ± | 2.3 | 4870 | 87.4 | 3.1 | ± | 2.7 | ||
MMSE | ||||||||||||
Mean ± SD | 22.6 ± 5.3 | 23.4 ± 6.5 | ||||||||||
Living with children | ||||||||||||
Yes | 2428 | 56.8 | 2.2 | ± | 2.2 | 0.302 | 3191 | 57.3 | 3.0 | ± | 2.7 | 0.845 |
No | 1847 | 43.2 | 2.7 | ± | 2.5 | 2379 | 42.7 | 3.5 | ± | 2.8 | ||
Financial support from children | ||||||||||||
Yes | 3137 | 73.4 | 2.2 | ± | 2.2 | 0.004 | 4025 | 72.3 | 3.0 | ± | 2.7 | 0.095 |
No | 1138 | 26.6 | 2.9 | ± | 2.5 | 1545 | 27.7 | 3.7 | ± | 2.8 | ||
Contact with close persons | ||||||||||||
No close person | 25 | 0.6 | 3.7 | ± | 3.6 | <0.0001 | 45 | 0.8 | 5.1 | ± | 3.1 | <0.0001 |
Once a month or less | 964 | 22.6 | 2.9 | ± | 2.6 | 1250 | 22.4 | 3.7 | ± | 2.8 | ||
Three times a week or less | 783 | 18.3 | 2.4 | ± | 2.3 | 979 | 17.6 | 3.1 | ± | 2.6 | ||
Four times a week or more | 2503 | 58.6 | 2.2 | ± | 2.2 | 3296 | 59.2 | 3.0 | ± | 2.7 | ||
Grandchild care | ||||||||||||
Yes | 126 | 3.0 | 2.6 | ± | 2.5 | <0.0001 | 420 | 7.5 | 3.4 | ± | 2.8 | <0.0001 |
No | 2231 | 52.2 | 2.7 | ± | 2.5 | 3286 | 59.0 | 3.6 | ± | 2.8 | ||
Other | 1918 | 44.9 | 2.1 | ± | 2.1 | 1864 | 33.5 | 2.4 | ± | 2.4 | ||
Total (N = 9845) | 4275 | 100.0 | 2.6 | ± | 2.4 | 5570 | 100.0 | 3.3 | ± | 2.7 |
Variable | Korean Aged 45 and Over | ||
---|---|---|---|
β | S.E | p-Value | |
Working hours | |||
Unemployed (0 h) | 0.42 | 0.04 | <0.0001 |
1–40 h | −0.03 | 0.05 | 0.509 |
41–68 h | Ref. | ||
≥69 h | 0.07 | 0.06 | 0.234 |
Gender | |||
Male | Ref. | ||
Female | 0.21 | 0.04 | <0.0001 |
Education level | |||
Lower than elementary school graduate | 0.59 | 0.07 | <0.0001 |
Middle school graduate | 0.40 | 0.07 | <0.0001 |
High school graduate | 0.17 | 0.06 | 0.003 |
Upper than college graduate | Ref. | ||
Age | −0.13 | 0.05 | 0.007 |
Marital status | |||
Married | Ref. | ||
Single/widowed/divorced/separated | 0.54 | 0.05 | <0.0001 |
Equivalent Household income | |||
Q1 (Low) | 0.40 | 0.06 | <0.0001 |
Q2 | 0.34 | 0.05 | <0.0001 |
Q3 | 0.15 | 0.04 | 0.001 |
Q4 (High) | Ref. | ||
Wealth | |||
Q1 (Low) | 0.43 | 0.05 | <0.0001 |
Q2 | 0.23 | 0.05 | <0.0001 |
Q3 | −0.06 | 0.04 | 0.184 |
Q4 (High) | Ref. | ||
Number of cigarette smoked per day | |||
Non-smoker | Ref. | ||
1–20 | 0.15 | 0.05 | 0.002 |
≥21 | 0.23 | 0.15 | 0.125 |
Drinking status | |||
Yes | 0.17 | 0.04 | <0.0001 |
No | Ref. | ||
Number of chronic diseases | |||
Non-smoker | Ref. | ||
1 | 0.41 | 0.04 | <0.0001 |
2+ | 0.93 | 0.05 | <0.0001 |
IADL disability | |||
Yes | 0.68 | 0.05 | <0.0001 |
No | Ref. | ||
MMSE | −0.06 | 0 | <0.0001 |
Living with children | |||
Yes | 0.04 | 0.06 | 0.549 |
No | Ref. | ||
Financial support from children | |||
Yes | Ref. | ||
No | 0.03 | 0.04 | 0.547 |
Contact with close persons | |||
No close person | 0.55 | 0.22 | 0.014 |
Once a month or less | 0.16 | 0.06 | 0.011 |
Three times a week or less | 0.01 | 0.06 | 0.975 |
Four times a week or more | Ref. | ||
Grandchild care | |||
Yes | Ref. | ||
No | 0.14 | 0.16 | 0.362 |
Other | 0.45 | 0.17 | 0.007 |
Year | |||
2006 | −0.51 | 0.04 | <0.0001 |
2008 | 0.25 | 0.04 | <0.0001 |
2010 | 0.14 | 0.04 | <0.0001 |
2012 | Ref. |
Variable | Male | Female | ||||
---|---|---|---|---|---|---|
β | S.E | p-Value | β | S.E | p-Value | |
Working hours | ||||||
Unemployed (0 h) | 0.59 | 0.06 | <0.0001 | 0.32 | 0.06 | <0.0001 |
1–40 h | −0.10 | 0.07 | 0.164 | −0.01 | 0.08 | 0.896 |
41–68 h | Ref. | Ref. | ||||
≥69h | −0.09 | 0.08 | 0.251 | 0.25 | 0.10 | 0.013 |
Education level | ||||||
Lower than elementary school graduate | 0.69 | 0.09 | <0.0001 | 0.62 | 0.11 | <0.0001 |
Middle school graduate | 0.48 | 0.09 | <0.0001 | 0.43 | 0.11 | 0.000 |
High school graduate | 0.27 | 0.07 | 0.000 | 0.13 | 0.10 | 0.209 |
Upper than college graduate | Ref. | Ref. | ||||
Age | −0.17 | 0.07 | 0.016 | −0.12 | 0.06 | 0.050 |
Marital status | ||||||
Married | Ref. | Ref. | ||||
Single/widowed/divorced/separated | 1.14 | 0.11 | <0.0001 | 0.34 | 0.06 | <0.0001 |
Equivalent Household income | ||||||
Q1 (Low) | 0.35 | 0.09 | 0.000 | 0.40 | 0.08 | <0.0001 |
Q2 | 0.32 | 0.07 | <0.0001 | 0.32 | 0.07 | <0.0001 |
Q3 | 0.22 | 0.06 | 0.000 | 0.05 | 0.06 | 0.358 |
Q4 (High) | Ref. | Ref. | ||||
Wealth | ||||||
Q1 (Low) | 0.45 | 0.07 | <0.0001 | 0.42 | 0.06 | <0.0001 |
Q2 | 0.21 | 0.07 | 0.003 | 0.24 | 0.06 | <0.0001 |
Q3 | −0.01 | 0.06 | 0.879 | −0.07 | 0.06 | 0.230 |
Q4 (High) | Ref. | Ref. | ||||
Number of cigarette smoked per day | ||||||
Non-smoker | Ref. | Ref. | ||||
1–20 | 0.11 | 0.05 | 0.040 | 0.50 | 0.15 | 0.001 |
≥21 | 0.12 | 0.15 | 0.454 | 2.19 | 0.68 | 0.001 |
Drinking status | ||||||
Yes | 0.28 | 0.05 | <0.0001 | 0.08 | 0.06 | 0.194 |
No | Ref. | Ref. | ||||
Number of chronic diseases | ||||||
None | Ref. | Ref. | ||||
1 | 0.35 | 0.06 | <0.0001 | 0.47 | 0.05 | <0.0001 |
2+ | 0.81 | 0.08 | <0.0001 | 1.01 | 0.07 | <0.0001 |
IADL disability | ||||||
Yes | 0.61 | 0.07 | <0.0001 | 0.79 | 0.08 | <0.0001 |
No | Ref. | Ref. | ||||
MMSE | −0.06 | 0.00 | <0.0001 | −0.05 | 0.00 | <0.0001 |
Living with children | ||||||
Yes | 0.03 | 0.10 | 0.765 | 0.07 | 0.08 | 0.362 |
No | Ref. | Ref. | ||||
Financial support from children | ||||||
Yes | Ref. | Ref. | ||||
No | 0.09 | 0.06 | 0.158 | −0.03 | 0.06 | 0.635 |
Contact with close persons | ||||||
No close person | 0.42 | 0.34 | 0.214 | 0.48 | 0.28 | 0.085 |
Once a month or less | 0.03 | 0.10 | 0.726 | 0.23 | 0.08 | 0.003 |
Three times a week or less | −0.11 | 0.10 | 0.265 | 0.06 | 0.08 | 0.432 |
Four times a week or more | Ref. | Ref. | ||||
Grandchild care | ||||||
Yes | Ref. | Ref. | ||||
No | 0.19 | 0.16 | 0.232 | 0.11 | 0.09 | 0.244 |
Other | 0.40 | 0.17 | 0.016 | 0.08 | 0.10 | 0.419 |
Year | ||||||
2006 | −0.46 | 0.06 | <0.0001 | −0.52 | 0.05 | <0.0001 |
2008 | 0.20 | 0.06 | 0.001 | 0.31 | 0.05 | <0.0001 |
2010 | 0.14 | 0.06 | 0.017 | 0.14 | 0.05 | 0.002 |
2012 | Ref. | Ref. |
Variable | Male | Female | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Aged 45–64 Years | 65 Years and Older | Aged 45–64 Years | 65 Years and Older | |||||||||
β † | S.E | p-Value | β † | S.E | p-Value | β † | S.E | p-Value | β † | S.E | p-Value | |
Working hours | ||||||||||||
Unemployed (0 h) | 0.81 | 0.11 | <0.0001 | 0.48 | 0.09 | <0.0001 | 0.35 | 0.07 | <0.0001 | 0.34 | 0.11 | 0.001 |
1–40 h | −0.11 | 0.10 | 0.258 | −0.16 | 0.11 | 0.125 | 0.06 | 0.09 | 0.561 | −0.07 | 0.13 | 0.625 |
41–68 h | Ref. | Ref. | Ref. | Ref. | ||||||||
≥69 h | 0.07 | 0.09 | 0.482 | −0.26 | 0.12 | 0.033 | 0.22 | 0.11 | 0.054 | 0.28 | 0.20 | 0.162 |
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. |
© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Share and Cite
Kim, J.; Park, E.-C. The Impact of Work Hours on Depressive Symptoms among Koreans Aged 45 and Over. Int. J. Environ. Res. Public Health 2021, 18, 853. https://doi.org/10.3390/ijerph18030853
Kim J, Park E-C. The Impact of Work Hours on Depressive Symptoms among Koreans Aged 45 and Over. International Journal of Environmental Research and Public Health. 2021; 18(3):853. https://doi.org/10.3390/ijerph18030853
Chicago/Turabian StyleKim, Juyeong, and Eun-Cheol Park. 2021. "The Impact of Work Hours on Depressive Symptoms among Koreans Aged 45 and Over" International Journal of Environmental Research and Public Health 18, no. 3: 853. https://doi.org/10.3390/ijerph18030853