Research on the impact of precarious employment contract on workers' health

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Recent studies suggest that unstable employment contracts may affect the health of workers. We investigated the health status of Japanese workers with precarious employment contracts(part-time, dispatched, and contract/non-regular workers, etc.) to that of permanent workers using the previous researches, interviews, health examinations and national statistics. As a result, the followings were clarified : Precarious workers often have poor health status, fewer sickness absences and injuries related to labor affairs(literature review); precarious workers tend to have subjective symptoms, there are many cases where they discontinue hospital visits or where they cannot apply for workers' accidents compensation, and they tend to have being uncovered by health insurances or not receiving medical examinations(interviews); full-time precarious workers have higher risk of suffering psychological distress and smoking habits, and that workers' self-rated health deteriorated during the first half of the year 2000(epidemiological studies).