Sociodemographic information of participants
| Sociodemographic information | N (%) | Sociodemographic information | N (%) |
|---|---|---|---|
| Gender | Employment status | ||
| Female | 2437 (41.7) | Permanent | 4084 (69.9) |
| Male | 3408 (58.3) | Temporary | 1761 (30.1) |
| Age | Having administrator duties | ||
| 19–34 | 2914 (49.9) | Yes | 1320 (22.6) |
| 35–44 | 1957 (33.5) | No | 4525 (77.4) |
| ≥45 | 974 (16.7) | Department | |
| Marital status | Internal medicine | 1610 (27.5) | |
| Unmarried | 1282 (21.9) | Surgery | 959 (16.4) |
| Married | 4563 (78.1) | Gynaecology and obstetrics paediatrics | 765 (13.1) |
| Educational background | Traditional Chinese medicine | 225 (3.8) | |
| Doctor/master | 512 (8.8) | Prevention and care | 599 (10.2) |
| Bachelor | 2725 (46.6) | Other | 1687 (28.9) |
| Junior college | 18.9 (30.9) | Hours worked per week | |
| Lower than junior college | 799 (13.7) | 0–40 | 2271 (38.9) |
| Professional status | 41–56 | 2452 (42.0) | |
| Senior/deputy senior | 834 (14.3) | ≥57 | 1122 (19.2) |
| Intermediate | 1565 (26.8) | Night shift frequency (per month) | |
| Primary | 2277 (39.0) | 0–4 | 2857 (48.9) |
| Lower than primary | 1169 (20.0) | ≥5 | 2988 (51.1) |
| Occupation | Annual income (RMB) | ||
| Physician | 3450 (59.0) | 10 000–19 999 | 420 (7.2) |
| Nurse | 1827 (31.3) | 20 000–39 999 | 1649 (28.2) |
| Public health staff | 568 (9.7) | 40 000–59 999 | 1323 (22.6) |
| Years of service | 60 000–79 999 | 916 (15.7) | |
| 0–4 | 1110 (19.0) | ≥80 000 | 1537 (26.3) |
| 5–9 | 1298 (22.2) | Urban or rural | |
| 10–19 | 1907 (32.6) | Urban | 3502 (59.9) |
| ≥20 | 1530 (26.2) | Rural | 2343 (40.1) |
| Type of institution | Professional qualification | ||
| Hospital | 3524 (60.3) | Certified doctor | 2664 (45.6) |
| Community health service centre | 1245 (21.3) | Licensed (assistant) doctor | 468 (8.0) |
| Health clinics | 1078 (18.4) | Professional traditional Chinese medicine doctor | 431 (7.4) |
| Pearl River Delta or not | Registered nurse | 1884 (32.2) | |
| Yes | 3240 (55.4) | Other | 398 (6.8) |
| No | 2605 (44.6) | ||