Table 1 General characteristics of total study subjects between non-depressed group and depressed group at baseline
Total study subjects (n = 1036, 100.0%) | Non-depressed group (n = 512, 49.4%) | Depressed group (n = 524, 50.6%) | p-value | |
|---|---|---|---|---|
N (%) or M ± SD | N (%) or M ± SD | N (%) or M ± SD | ||
Sex | ||||
Male | 843 (81.4%) | 428 (50.8%) | 415 (49.2%) | 0.069 |
Female | 193 (18.6%) | 84 (43.5%) | 109 (56.5%) | |
Age (year) | ||||
28.25 ± 2.82 | 28.21 ± 2.70 | 28.30 ± 2.93 | 0.620 | |
Smoking history | ||||
Non smoker | 589 (56.9%) | 297 (50.4%) | 292 (49.6%) | 0.745 |
Past smoker | 158 (15.3%) | 75 (47.5%) | 83 (52.5%) | |
Current smoker | 289 (27.9%) | 140 (48.4%) | 149 (51.6%) | |
Heavy drinking | ||||
No | 847 (81.8%) | 423 (49.9%) | 424 (50.1%) | 0.478 |
Yes | 189 (18.2%) | 89 (47.1%) | 100 (52.9%) | |
Adequate physical activity | ||||
No | 744 (71.8%) | 343 (46.1%) | 401 (53.9%) | 0.001 |
Yes | 292 (28.2%) | 169 (57.9%) | 123 (42.1%) | |
Career (year) | ||||
2.26 ± 1.32 | 2.14 ± 1.39 | 2.37 ± 1.23 | 0.005 | |
Working hours (hours/week) | ||||
≤ 40 | 122 (11.8%) | 73 (59.8%) | 49 (40.2%) | < 0.001 |
41~ 50 | 432 (41.7%) | 249 (57.6%) | 183 (42.4%) | |
51~ 60 | 351 (33.9%) | 145 (41.3%) | 206 (58.7%) | |
≥ 61 | 131 (12.6%) | 45 (34.4%) | 86 (65.6%) | |
Job task | ||||
Office | 886 (85.5%) | 445 (50.2%) | 441 (49.8%) | 0.208 |
Labor/Service | 150 (14.5%) | 67 (44.7%) | 83 (55.3%) | |
Education | ||||
≤ College | 840 (81.1%) | 417 (49.6%) | 423 (50.4%) | 0.767 |
≥ Master degree | 196 (18.9%) | 95 (48.5%) | 101 (51.5%) | |
Marital status | ||||
Unmarried/Divorced | 793 (76.5%) | 384 (48.4%) | 409 (51.6%) | 0.271 |
Married | 243 (23.5%) | 128 (52.7%) | 115 (47.3%) | |
Occupational stress | ||||
1st quartile | 256 (24.7%) | 201 (78.5%) | 55 (21.5%) | < 0.001 |
2nd quartile | 269 (26.0%) | 161 (59.9%) | 108 (40.1%) | |
3rd quartile | 251 (24.2%) | 97 (38.6%) | 154 (61.4%) | |
4th quartile | 260 (25.1%) | 53 (20.4%) | 207 (79.6%) | |
Total score | 41.72 ± 11.33 | 36.68 ± 10.30 | 46.63 ± 10.07 | < 0.001 |
Occupational stress sub-domains score | ||||
Job demand | 52.15 ± 17.58 | 46.50 ± 16.41 | 57.67 ± 16.95 | < 0.001 |
Insufficient job control | 48.32 ± 14.94 | 45.25 ± 14.11 | 51.32 ± 15.13 | < 0.001 |
Interpersonal conflict | 33.68 ± 14.46 | 29.56 ± 13.63 | 37.70 ± 14.12 | < 0.001 |
Job insecurity | 35.60 ± 21.94 | 30.14 ± 20.45 | 40.94 ± 22.06 | < 0.001 |
Organizational system | 43.32 ± 16.70 | 38.75 ± 14.74 | 47.77 ± 17.29 | < 0.001 |
Lack of reward | 43.85 ± 16.32 | 37.17 ± 13.73 | 50.38 ± 16.01 | < 0.001 |
Occupational climate | 35.10 ± 17.32 | 29.41 ± 15.96 | 40.66 ± 16.79 | < 0.001 |