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Reversal pattern of health inequality: New evidence from a large-scale national survey in Japan

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  • Takaku, Reo

Abstract

Despite extensive evidence for a positive association between socio-economic status (SES) and health, some studies have shown that this well-established pattern of health inequality is reversed in Japan due to individuals of high SES working in stressful workplace environments. High-SES workers in Japan generally belong to a lifetime employment system (LES) in large companies. Thus, in this study, individuals who had been working for a single company for several decades at the time of a 2005 survey (LES workers) were compared with other workers by logistic regression and ordinary least squares regression. These analyses showed that LES workers had 36% more household savings. However, despite their relatively high income, the LES workers were more likely to develop diabetes (odds ratio 1.134: 95% CI 1.022–1.259) and hyperlipidemia (odds ratio 1.184: 95% CI 1.079–1.300). Among women, LES workers were at higher risk of developing cancer (odds ratio 1.570: 95% CI 1.174–2.098). In addition, these effects were consistently found in subsequent surveys between 2006 and 2015, suggesting that the LES had long-term adverse effects on health. These results taken together show that career trajectory is an important determinant of health inequality in the elderly population.

Suggested Citation

  • Takaku, Reo, 2020. "Reversal pattern of health inequality: New evidence from a large-scale national survey in Japan," Health Policy, Elsevier, vol. 124(11), pages 1254-1262.
    • Handle: RePEc:eee:hepoli:v:124:y:2020:i:11:p:1254-1262
    DOI: 10.1016/j.healthpol.2020.08.005
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