Table 1 Sociodemographic characteristics of nurses and non-nurse health care workers
Variables | Categories | Non-nurse workers n = 2243 | Nurses n = 4230 | Z/χ2 | P |
|---|---|---|---|---|---|
Age, years [median (IQ)] | – | 37 (10) | 34 (10) | 188.75a |  < 0.01 |
Marriage, n (%) | Married | 2180 (97.2) | 4118 (97.4) | 0.14b | 0.70 |
| Â | Divorce or widowed | 63 (2.8) | 112 (2.7) | Â | Â |
Education level, n (%) | Below associate degree | 116 (5.2) | 225 (5.3) | 0.06b | 0.80 |
| Â | Associate degree or above | 2127 (94.8) | 4005 (94.7) | Â | Â |
Income, n (%) |  < 10, 000 yuan | 189 (8.4) | 429 (10.1) | 17.56b |  < 0.01 |
|  | 10, 000–50, 000 yuan | 833 (37.1) | 1645 (38.9) |  |  |
|  | 50, 000–100, 000 yuan | 912 (40.7) | 1510 (35.7) |  |  |
|  |  > 100, 000 yuan | 309 (13.8) | 646 (15.3) |  |  |
Smoking habit, n (%) | – | 25 (1.1) | 16 (0.4) | 12.63b |  < 0.01 |
Drinking habit, n (%) | – | 58 (2.6) | 99 (2.3) | 0.37b | 0.54 |