Table 1 Socio-demographic and work-related characteristics of participants (N, %)
| Â | Overall (1148) | Physicians (699) | Nurses (136) | PHPs (313) | P value |
|---|---|---|---|---|---|
Gender | |||||
 Male | 404 (35.28) | 279 (40.09) | 14 (10.29) | 111 (35.46) | < 0.001 |
 Female | 741 (64.72) | 417 (59.91) | 122 (89.71) | 202 (64.54) |  |
Age in years | |||||
  < 30 | 185 (16.23) | 107 (15.42) | 22 (16.30) | 56 (18.01) | 0.483 |
 30–39 | 472 (41.40) | 288 (41.50) | 65 (48.15) | 119 (38.26) |  |
 40–49 | 398 (34.91) | 249 (35.88) | 40 (29.63) | 109 (35.05) |  |
  ≥ 50 | 85 (7.46) | 50 (7.20) | 8 (5.93) | 27 (8.68) |  |
Marital status | |||||
 Unmarried | 107 (9.34) | 67 (9.61) | 13 (9.56) | 27 (8.63) | 0.879 |
 Married | 1039 (90.66) | 630 (90.39) | 123 (90.44) | 286 (91.37) |  |
Education | |||||
 High school or below | 228 (19.87) | 110 (15.74) | 24 (17.78) | 94 (30.03) | < 0.001 |
 Junior college | 481 (41.94) | 272 (38.91) | 68 (50.37) | 141 (45.05) |  |
 Bachelor and above | 438 (38.19) | 317 (45.35) | 43 (31.85) | 78 (24.92) |  |
Monthly income (CNY) | |||||
  < 3000 | 285 (26.56) | 134 (20.62) | 25 (19.69) | 126 (42.57) | < 0.001 |
 3000–4999 | 437 (40.73) | 273 (42.00) | 52 (40.94) | 112 (37.84) |  |
  ≥ 5000 | 351 (32.71) | 243 (37.38) | 50 (39.37) | 58 (19.59) |  |
Technical title | |||||
 Senior/Vice-senior | 18 (1.58) | 16 (2.30) | 2 (1.49) | 0 (0.00) | < 0.001 |
 Intermediate | 398 (34.88) | 274 (39.37) | 47 (35.07) | 77 (24.76) |  |
 Primary | 505 (44.26) | 317 (45.55) | 59 (44.03) | 129 (41.48) |  |
 No title | 220 (19.28) | 89 (12.79) | 26 (19.40) | 105 (33.76) |  |
Employment mode | |||||
 Formal | 873 (76.11) | 559 (79.97) | 93 (68.89) | 221 (70.61) | 0.001 |
 Casual | 274 (23.89) | 140 (20.03) | 42 (31.11) | 92 (29.39) |  |
Years of working | |||||
  < 5 | 238 (21.17) | 120 (17.47) | 29 (22.31) | 89 (28.99) | 0.001 |
 5–9 | 200 (17.79) | 134 (19.51) | 17 (13.08) | 49 (15.96) |  |
  ≥ 10 | 686 (61.03) | 433 (63.03) | 84 (64.62) | 169 (55.05) |  |
Working hours per week | |||||
  ≤ 40 | 78 (7.08) | 56 (8.35) | 7 (5.26) | 15 (5.05) | < 0.001 |
 41–48 | 736 (66.85) | 414 (61.70) | 106 (79.70) | 216 (72.13) |  |
 49–56 | 192 (17.44) | 117 (17.44) | 16 (12.03) | 59 (19.87) |  |
  ≥ 57 | 95 (8.63) | 84 (12.52) | 4 (3.01) | 7 (2.36) |  |