Table 2 General characteristics of study subjects among non-depressed group at baseline
Total Non-depressed group (n = 512, 100.0%) | Non-depressed-maintained group (n = 333, 65.0%) | Non-depressed-deteriorated group (n = 179, 35.0%) | p-value | |
|---|---|---|---|---|
N (%) or M ± SD | N (%) or M ± SD | N (%) or M ± SD | ||
Sex | ||||
Male | 428 (83.6%) | 286 (66.8%) | 142 (33.2%) | 0.056 |
Female | 84 (16.4%) | 47 (56.0%) | 37 (44.0%) | |
Age (year) | ||||
28.21 ± 2.70 | 28.20 ± 2.67 | 28.22 ± 2.78 | 0.929 | |
Smoking history | ||||
Non smoker | 297 (58.0%) | 191 (64.3%) | 106 (35.7%) | 0.836 |
Past smoker | 75 (14.6%) | 51 (68.0%) | 24 (32.0%) | |
Current smoker | 140 (27.3%) | 91 (65.0%) | 49 (35.0%) | |
Heavy drinking | ||||
No | 423 (82.6%) | 275 (65.0%) | 148 (35.0%) | 0.978 |
Yes | 89 (17.4%) | 58 (65.2%) | 31 (34.8%) | |
Adequate physical activity | ||||
No | 343 (67.0%) | 214 (62.4%) | 129 (37.6%) | 0.073 |
Yes | 169 (33.0%) | 119 (70.4%) | 50 (29.6%) | |
Career (year) | ||||
2.14 ± 1.39 | 2.19 ± 1.37 | 2.05 ± 1.44 | 0.272 | |
Working hours (hours/week) | ||||
≤ 40 | 73 (14.3%) | 52 (71.2%) | 21 (28.8%) | 0.305 |
41~ 50 | 249 (48.6%) | 166 (66.7%) | 83 (33.3%) | |
51~ 60 | 145 (28.3%) | 86 (59.3%) | 59 (40.7%) | |
≥ 61 | 45 (8.8%) | 29 (64.4%) | 16 (35.6%) | |
Job task | ||||
Office | 445 (86.9%) | 284 (63.8%) | 161 (36.2%) | 0.136 |
Labor/Service | 67 (13.1%) | 49 (73.1%) | 18 (26.9%) | |
Education | ||||
≤ College | 417 (81.4%) | 268 (64.3%) | 149 (35.7%) | 0.444 |
≥ Master degree | 95 (18.6%) | 65 (68.4%) | 30 (31.6%) | |
Marital status | ||||
Unmarried/Divorced | 384 (75.0%) | 247 (64.3%) | 137 (35.7%) | 0.556 |
Married | 128 (25.0%) | 86 (67.2%) | 42 (32.8%) | |
Occupational Stress | ||||
1st quartile | 201 (39.3%) | 150 (74.6%) | 51 (25.4%) | < 0.001 |
2nd quartile | 161 (31.4%) | 104 (64.6%) | 57 (35.4%) | |
3rd quartile | 97 (18.9%) | 51 (52.6%) | 46 (47.4%) | |
4th quartile | 53 (10.4%) | 28 (52.8%) | 25 (47.2%) | |
Total score | 36.68 ± 10.30 | 35.20 ± 10.56 | 39.45 ± 9.22 | < 0.001 |
Occupational stress sub-domains score | ||||
Job demand | 46.50 ± 16.41 | 44.84 ± 16.49 | 49.58 ± 15.83 | 0.002 |
Insufficient job control | 45.25 ± 14.11 | 44.02 ± 14.47 | 47.53 ± 13.15 | 0.007 |
Interpersonal conflict | 29.56 ± 13.63 | 28.66 ± 14.57 | 31.22 ± 11.53 | 0.030 |
Job insecurity | 30.14 ± 20.45 | 28.48 ± 20.43 | 33.24 ± 20.18 | 0.012 |
Organizational system | 38.75 ± 14.74 | 37.29 ± 15.18 | 41.48 ± 13.51 | 0.002 |
Lack of reward | 37.17 ± 13.73 | 35.20 ± 13.51 | 40.84 ± 13.41 | < 0.001 |
Occupational climate | 29.41 ± 15.96 | 27.88 ± 16.15 | 32.26 ± 15.22 | 0.003 |