Abstract
Work ability and job stress have become the important issues in Korean workplace recently. This study researched work ability and job stress and also analyzed correlation with work ability and job stress using the Work Ability Index and the Karasek's Job Content Questionnaire against 742 subway workers. As the results, Work ability in subway workers was good in general. The relation between job stress and job type showed statistical significance (p<0.05). The relation between job stress and diseases showed statistical significance in musculoskeletal disorders(p<0.05), heart disease, and gastrointestinal disease. The correlations between work ability and job stress showed statistical significance in job demand and social support(p<0.05). The result of this study could be useful to manage the work ability of aging worker and the job stress in industry.