Past papers mainly reported the poor health of precarious workers.
The author surveyed glucose intolerance and psychological wellbeing in two-shift workers.
Prevalence of glucose intolerance and General Health Questionnaire 12-item version (GHQ-12) as psychological well-being were evaluated for male workers.
Prevalence of glucose intolerance and positive GHQ-12 score of permanent workers were higher than that of temporary workers.
Temporary workers showed heather worker's effect compared with permanent workers.