Table 1 Characteristics of the participants according to a sex comparison
Characteristics | Total Sample (n = 656) | Male (n = 357) | Female (n = 299) | χ2/t | p-value |
|---|---|---|---|---|---|
Age, years, mean ± SD | 37.24 ± 9.47 | 38.80 ± 9.76 | 35.38 ± 8.76 | 4.731 | < 0.001 |
Marital status, n(%) | Â | Â | Â | 7.300 | 0.007 |
 Married | 528 (80.5) | 301 (84.3) | 227 (75.9) |  |  |
 Single | 128 (19.5) | 56 (15.7) | 72 (24.1) |  |  |
Educational level, n(%) | Â | Â | Â | 0.417 | 0.812 |
 College diploma | 18 (2.7) | 10 (2.8) | 8 (2.7) |  |  |
 Bachelor’s degree | 274 (41.8) | 153 (42.9) | 121 (40.5) |  |  |
 Master’s degree or higher | 364 (55.5) | 194 (54.3) | 170 (56.9) |  |  |
Monthly income(Â¥, RMB), n(%) | Â | Â | Â | 14.715 | 0.002 |
 <5000 | 140 (21.3) | 65 (18.2) | 75 (25.1) |  |  |
 5000-8000 | 267 (40.7) | 136 (38.1) | 131 (43.8) |  |  |
 8000-10,000 | 128 (19.5) | 87 (24.4) | 41 (13.7) |  |  |
 >10,000 | 121 (18.4) | 69 (19.3) | 52 (17.4) |  |  |
Department, n(%) |  |  |  | 26.248 | < 0.001 |
 Surgical | 348 (53.0) | 222 (62.2) | 126 (42.1) |  |  |
 Non-surgical | 308 (47.1) | 135 (37.8) | 173 (57.9) |  |  |
Professional status, n(%) |  |  |  | 17.817 | < 0.001 |
 Primary | 288 (43.9) | 133 (37.3) | 155 (51.8) |  |  |
 Intermediate | 191 (29.1) | 107 (30.0) | 84 (28.1) |  |  |
 Senior | 177 (27.0) | 117 (32.8) | 60 (20.1) |  |  |
Employment status, n(%) | Â | Â | Â | 1.656 | 0.198 |
 Formal employee | 358 (54.6) | 203 (56.9) | 155 (51.8) |  |  |
 Contract employee | 298 (45.4) | 154 (41.3) | 144 (48.2) |  |  |
Cigarette smoking, n(%) |  |  |  | 91.712 | < 0.001 |
 Current/past | 110 (16.8) | 106 (29.7) | 4 (1.3) |  |  |
 No | 546 (83.2) | 251 (70.3) | 295 (98.7) |  |  |
Alcohol consumption, n(%) |  |  |  | 228.635 | < 0.001 |
 Current/past | 384 (58.5) | 304 (85.2) | 80 (26.8) |  |  |
 No | 272 (41.5) | 53 (14.8) | 219 (73.2) |  |  |
Working hours per week, n(%) | Â | Â | Â | 1.716 | 0.633 |
  ≤ 40 | 37 (5.6) | 18 (5.0) | 19 (6.4) |  |  |
 41–50 | 192 (29.3) | 105 (29.4) | 87 (29.1) |  |  |
 51–60 | 189 (28.8) | 98 (27.5) | 91 (30.4) |  |  |
 >60 | 238 (36.3) | 136 (38.1) | 102 (34.1) |  |  |
Self-rated health, n(%) | Â | Â | Â | 1.028 | 0.598 |
 Good | 204 (31.1) | 117 (32.8) | 87 (29.1) |  |  |
 Fair | 382 (58.2) | 203 (56.9) | 179 (59.9) |  |  |
 Poor | 70 (10.7) | 37 (10.4) | 33 (11.0) |  |  |
Depression scale, mean ± SD | 8.97 ± 5.40 | 8.84 ± 5.36 | 9.12 ± 5.56 | −0.661 | 0.509 |
Depressive symptoms, n(%) | Â | Â | Â | 1.511 | 0.219 |
 Yes | 277 (42.2) | 143 (40.1) | 134 (44.8) |  |  |
 No | 379 (57.8) | 214 (59.9) | 165 (55.2) |  |  |