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KMID : 0613620180380030129
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Health Social Welfare Review
2018 Volume.38 No. 3 p.129 ~ p.160
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The Impact of Employment Instability on Mental Health: The Case of South Korea
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Byun Geum-Sun
Lee Hye-Won
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Abstract
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This study examined the effect of employment instability on depression among wage earners aged 18 to 65 years using the Korean Welfare Panel Study (KOWEP) data. Employment instability is becoming more common with the increase in irregular workers and the diversification of employment types. However, previous studies have not fully investigated the effect of employment instability. This study assessed the effect of changes in employment status between 2010 and 2011 on the level of depression (CES-D) in 2011. We controlled for the endogeneity due to reverse causation and selection bias by applying instrumental variable estimation and propensity score matching. As a result, employment instability has an significant effect on increased level of the depressive symptom. In particular, the unemployed and those who moved from regular to irregular jobs had a higher level of depression than those in regular employment. This result shows the social causation between employment instability and depression. Active policy intervention is necessary to deal with the mental health problems of precarious workers.
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KEYWORD
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Employment Instability, Precarious Work, Mental Health, Depressive Symptom, CES-D, Instrumental Variable Estimation, Propensity Score Matching
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