Table 1.
Subject characteristics (2014 KWCS)
| Characteristics | Classification | N (%) |
|---|---|---|
| Sex | Male | 13214 (52.6 %) |
| Female | 11924 (47.4 %) | |
| Age | <30 | 3516 (14.0 %) |
| 30–39 | 6856 (27.3 %) | |
| 40–49 | 7365 (29.3 %) | |
| 50–59 | 4831 (19.2 %) | |
| ≥60 | 2570 (10.2 %) | |
| Education | Middle school or below | 2530 (10.1 %) |
| High school | 8981 (35.7 %) | |
| College or above | 13626 (54.2 %) | |
| Income (10 thousands) | <100 | 2555 (10.2 %) |
| 100–199 | 8526 (33.9 %) | |
| 200–299 | 7601 (30.2 %) | |
| ≥300 | 6456 (25.7 %) | |
| Job type | Blue collar | 7499 (29.8 %) |
| Service work | 5825 (23.2 %) | |
| White collar | 11814 (47.0 %) | |
| Type of employment | Regular | 19734 (78.5 %) |
| Temporary | 5404 (21.5 %) | |
| Number of employees | <5 | 4556 (18.1 %) |
| 5–49 | 13374 (53.2 %) | |
| 50–299 | 4965 (19.7 %) | |
| ≥300 | 2243 (8.9 %) | |
| Working time | ≤40 | 13240 (52.7 %) |
| 41–52 | 7552 (30.0 %) | |
| 53–60 | 3093 (12.3 %) | |
| ≥61 | 1253 (5.0 %) | |
| Shift work | No | 22682 (90.2 %) |
| Yes | 2456 (9.8 %) | |
| Emotional labor | No | 18654 (74.2 %) |
| Yes | 6483 (25.8 %) | |
| Physical risk factors | No | 15684 (62.4 %) |
| Yes | 9454 (37.6 %) | |
| Biochemical risk factors | No | 19486 (77.5 %) |
| Yes | 5652 (22.5 %) | |
| Ergonomic risk factors | No | 4785 (19.0 %) |
| Yes | 20353 (81.0 %) | |
| Job demand | Low | 15625 (62.2 %) |
| High | 9513 (37.8 %) | |
| Insufficient job control | Low | 13546 (53.9 %) |
| High | 11592 (46.1 %) | |
| Inadequate social support | Low | 15605 (62.1 %) |
| High | 9533 (37.9 %) | |
| Job insecurity | Low | 15726 (62.6 %) |
| High | 9412 (37.4 %) | |
| Lack of reward | Low | 19730 (78.5 %) |
| High | 5408 (21.5 %) | |
| Workplace Violence | No | 23627 (94.0 %) |
| Yes | 1510 (6.0 %) | |
| Perpetrators | None | 23627 (94.0 %) |
| Client | 1052 (4.2 %) | |
| Coleague | 459 (1.8 %) |