Table 1 Characteristics of the participants
Variables | All | Job insecurity N(%) | p-value* | |||
|---|---|---|---|---|---|---|
| Â | Â | Â | Low | Moderate | High | Â |
Total | 7,071 | 6,248 (88.4) | 446 (6.3) | 377 (5.3) | Â | |
Age group (years) | Â | Â | Â | Â | Â | |
| Â | 15-24 | 398 | 325 (81.7) | 22 (5.5) | 51 (12.8) | <0.001 |
| Â | 25-34 | 2,016 | 1,786 (88.6) | 134 (6.6) | 96 (4.8) | Â |
| Â | 35-44 | 2,506 | 2,244 (89.5) | 149 (5.9) | 113 (4.5) | Â |
| Â | 45-54 | 1,473 | 1,331 (90.4) | 77 (5.2) | 65 (4.4) | Â |
| Â | 55-65 | 678 | 562 (82.9) | 64 (9.4) | 52 (7.7) | Â |
Gender | Â | Â | Â | Â | Â | |
| Â | Male | 4,594 | 4,083 (88.9) | 296 (6.4) | 215 (4.7) | 0.004 |
| Â | Female | 2,477 | 2,165 (87.4) | 150 (6.1) | 162 (6.5) | Â |
Income (10,000 won/month) | Â | Â | Â | Â | Â | |
| Â | <100 | 1,516 | 1,192 (78.6) | 161 (10.6) | 163 (10.8) | <0.001 |
| Â | 100-200 | 2,987 | 2,369 (88.3) | 200 (6.7) | 148 (5.0) | Â |
| Â | 200-299 | 1,663 | 1,552 (93.3) | 66 (4.0) | 45 (2.7) | Â |
|  | ≥300 | 905 | 865 (95.6) | 19 (2.1) | 21 (2.3) |  |
Education completed | Â | Â | Â | Â | Â | |
|  | ≤Middle school | 1,024 | 846 (82.6) | 100 (9.8) | 78 (7.6) | <0.001 |
| Â | High school | 2,915 | 2,522 (86.5) | 199 (6.8) | 194 (6.7) | Â |
|  | ≥University | 3,132 | 2,880 (92.0) | 147 (4.7) | 105 (3.4) |  |
Drinking (times/week) | Â | Â | Â | Â | Â | |
| Â | No drinking | 1,688 | 1,494 (88.5) | 103 (6.1) | 91 (5.4) | 0.170 |
|  | ≤1 | 3,084 | 2,722 (88.3) | 182 (5.9) | 180 (5.8) |  |
|  | ≥2 | 2,299 | 2,032 (88.4) | 161 (7.0) | 106 (4.6) |  |
Smoking | Â | Â | Â | Â | Â | |
| Â | Never | 3,627 | 3,188 (87.9) | 228 (6.3) | 211 (5.8) | 0.162 |
| Â | Former | 952 | 844 (88.7) | 69 (7.2) | 39 (4.1) | Â |
| Â | Current | 2,492 | 2,216 (88.9) | 149 (6.0) | 127 (5.1) | Â |
Contract type | Â | Â | Â | Â | Â | |
| Â | Permanent | 5,294 | 4,875 (92.1) | 240 (4.5) | 179 (3.4) | <0.001 |
| Â | Temporary | 1,777 | 1,373 (77.3) | 206 (11.6) | 198 (11.1) | Â |
Occupation | Â | Â | Â | Â | Â | |
| Â | Office clerk | 1,448 | 1,324 (91.4) | 66 (4.6) | 58 (4.0) | <0.001 |
| Â | Professional | 1,486 | 1,377 (92.7) | 60 (4.0) | 49 (3.3) | Â |
| Â | Service industry | 1,217 | 1,057 (86.9) | 87 (7.1) | 73 (6.0) | Â |
| Â | Physical labor | 2,920 | 2,490 (85.3) | 233 (8.0) | 197 (6.7) | Â |
Working hours per week | Â | Â | Â | Â | Â | |
| Â | <35 | 571 | 442 (77.4) | 71 (12.4) | 58 (10.2) | <0.001 |
| Â | 35-44 | 2,649 | 2,413 (91.1) | 124 (4.7) | 112 (4.2) | Â |
|  | ≥45 | 3,851 | 3,393 (88.1) | 251 (6.5) | 207 (5.4) |  |
Work schedule | Â | Â | Â | Â | Â | |
| Â | Non-shift | 6,252 | 5,626 (88.4) | 400 (6.4) | 326 (5.2) | 0.350 |
| Â | Shift | 819 | 722 (88.2) | 46 (5.6) | 51 (6.2) | Â |
Physical & chemical hazards | Â | Â | Â | Â | Â | |
| Â | Non-exposure | 4,451 | 4,044 (90.9) | 218 (4.9) | 189 (4.2) | <0.001 |
| Â | Exposure | 2,620 | 2,204 (84.1) | 228 (8.7) | 188 (7.2) | Â |
Ergonomic risk factors | Â | Â | Â | Â | Â | |
| Â | Non-exposure | 1,964 | 1,803 (91.8) | 93 (4.7) | 68 (3.5) | <0.001 |
| Â | Exposure | 5,107 | 4,445 (87.0) | 353 (6.9) | 309 (6.1) | Â |