Table 1 Basic characteristics of study subjects
From: Effort-reward imbalance and its association with health among permanent and fixed-term workers
| Â | permanent | fixed-term | pvalue | ||
|---|---|---|---|---|---|
| Â | (n = 218) | (n = 491) | Â | ||
Age mean (SD) | 41.3 | (4.7) | 35.8 | (4.7) | <0.01 |
Occupation n(%) | Â | Â | Â | Â | Â |
   research | 151 | (69.3) | 452 | (92.1) | <0.01 |
   clerk | 67 | (30.7) | 39 | (7.9) |  |
Working hours | Â | Â | Â | Â | Â |
   hours mean (SD) | 11.3 | (1.6) | 11.3 | (1.8) | 0.74 |
Lifestyles n(%) | Â | Â | Â | Â | Â |
   smoking | 34 | (15.6) | 79 | (16.1) | 0.87 |
   alcohol | 70 | (32.1) | 126 | (25.7) | 0.08 |
   exercise | 48 | (22.0) | 141 | (28.7) | 0.06 |
   sleeping hours ≥6 hours | 109 | (50.0) | 271 | (55.2) | 0.20 |
Health status n (%) | Â | Â | Â | Â | Â |
   have any symptoms | 110 | (50.5) | 205 | (41.8) | 0.03 |
   obesity | 73 | (33.5) | 112 | (22.8) | <0.01 |