Table 3 Characteristics of emergency physicians with and without major depression
Variables | Major depression (N = 3734) | Without major depression (N = 6723) | χ2 | P value |
|---|---|---|---|---|
Basic characteristics | ||||
 Age (years) | 69.674 | < 0.001 | ||
  ≤ 30 | 868 (23.3%) | 1732 (25.8%) |  |  |
  31–40 | 1976 (52.9%) | 3001 (44.6%) |  |  |
  ≥ 41 | 890 (23.8%) | 1990 (29.6%) |  |  |
 Gender | 25.449 | < 0.001 | ||
  Male | 2835 (75.9%) | 4797 (71.4%) |  |  |
  Female | 899 (24.1%) | 1926 (28.7%) |  |  |
 Marital status | 1.439 | 0.230 | ||
  Unmarried/other | 603 (16.2%) | 1026 (15.3%) |  |  |
  Married | 3131 (83.9%) | 5697 (84.7%) |  |  |
 Educational level | 43.899 | < 0.001 | ||
  Associate degree or below | 482 (12.9%) | 1202 (17.9%) |  |  |
  Bachelor degree or above | 3252 (87.1%) | 5521 (82.1%) |  |  |
 Habitual residence | 14.138 | 0.001 | ||
  Western region | 1444 (38.7%) | 2376 (35.3%) |  |  |
  Central region | 945 (25.3%) | 1885 (28.0%) |  |  |
  Eastern region | 1345 (36.0%) | 2462 (36.6%) |  |  |
Work-related factors | ||||
 Qualification title | 39.140 | < 0.001 | ||
  Junior or below | 1721 (46.1%) | 3251 (48.4%) |  |  |
  Moderate | 1599 (42.8%) | 2513 (37.4%) |  |  |
  High | 414 (11.1%) | 959 (14.3%) |  |  |
 Monthly income (CNY) | 23.232 | < 0.001 | ||
  ≤ 4000 | 1460 (39.1%) | 2402 (35.7%) |  |  |
  4001–6000 | 1294 (34.7%) | 2268 (33.7%) |  |  |
  ≥ 6001 | 980 (26.3%) | 2053 (30.5%) |  |  |
 Years of service | 68.226 | < 0.001 | ||
  < 1 | 390 (10.4%) | 1058 (15.7%) |  |  |
  1–5 | 1394 (37.3%) | 2571 (38.2%) |  |  |
  ≥ 6 | 1950 (52.2%) | 3094 (46.0%) |  |  |
 Night shift (times/month) | 249.630 | < 0.001 | ||
  ≤ 5 | 464 (12.4%) | 1569 (23.3%) |  |  |
  6–10 | 2017 (54.0%) | 3616 (53.8%) |  |  |
  ≥ 11 | 1253 (33.6%) | 1538 (22.9%) |  |  |
 Experienced workplace violence | 505.586 | < 0.001 | ||
  No | 241 (6.5%) | 1612 (24.0%) |  |  |
  Yes | 3493 (93.6%) | 5111 (76.0%) |  |  |
Lifestyle factors | ||||
 Smoking | 109.831 | < 0.001 | ||
  No | 2564 (68.7%) | 5242 (78.0%) |  |  |
  Yes | 1170 (31.3%) | 1481 (22.0%) |  |  |
 Drinking | 8.990 | 0.003 | ||
  No | 2344 (62.8%) | 4417 (65.7%) |  |  |
  Yes | 1390 (37.2%) | 2306 (34.3%) |  |  |
 Physical exercise (times/week) | 355.795 | < 0.001 | ||
  Never | 2195 (58.8%) | 2702 (40.2%) |  |  |
  Once | 751 (20.1%) | 1659 (24.7%) |  |  |
  Twice or more | 788 (21.1%) | 2362 (35.1%) |  |  |
ERI | 743.793 | < 0.001 | ||
 No | 257 (6.9%) | 2003 (29.8%) |  |  |
 Yes | 3477 (93.1%) | 4720 (70.2%) |  |  |
Self-efficacy (mean ± SD) | 26.8 ± 5.9 | 23.0 ± 6.4 | 30.205 | < 0.001 |