Demographic characteristics of the respondents
| Characteristics | Physicians (n=860) | Medical residents (n=913) | Nurses (n=208) | Technicians (n=179) | Public health professionals (n=125) | Total (N=2285) |
| Age | ||||||
| Mean (SD) (years) | 33.69 (7.44) | 26.94 (2.33) | 35.94 (8.17) | 32.67 (6.82) | 32.80 (9.00) | 31.06 (6.99) |
| Range (years) | 22–64 | 20–41 | 20–57 | 18–58 | 17–60 | 17–64 |
| Missing, n (%) | 10 (1.16) | 2 (0.22) | 1 (0.48) | 0 | 2 (1.60) | 15 (0.66) |
| Gender, n (%) | ||||||
| Male | 314 (36.51) | 292 (31.98) | 13 (6.25) | 47 (26.26) | 41 (32.80) | 707 (30.94) |
| Female | 546 (63.49) | 621 (68.02) | 195 (93.75) | 132 (73.74) | 84 (67.20) | 1578 (69.06) |
| Ethnicity, n (%) | ||||||
| Han Chinese | 765 (88.95) | 758 (83.02) | 182 (87.50) | 161 (89.94) | 110 (88.00) | 1976 (86.48) |
| Other | 95 (11.05) | 155 (16.98) | 26 (12.50) | 18 (10.06) | 15 (12.00) | 309 (13.52) |
| Education | ||||||
| Mean (SD) (years) | 18.95 (2.17) | 18.37 (1.58) | 15.50 (2.32) | 18.24 (2.85) | 17.24 (3.45) | 18.25 (2.34) |
| Annual household income (¥), n (%) | ||||||
| <50 000 | 91 (10.58) | 314 (34.39) | 20 (9.62) | 18 (10.06) | 34 (27.20) | 477 (20.88) |
| 50 000–99 999 | 282 (32.79) | 360 (39.43) | 88 (42.31) | 54 (30.17) | 37 (29.60) | 821 (35.93) |
| 100 000–300 000 | 378 (43.95) | 208 (22.78) | 89 (42.79) | 82 (45.81) | 37 (29.60) | 794 (34.75) |
| >300 000 | 109 (12.67) | 31 (3.40) | 11 (5.29) | 25 (13.96) | 17 (13.60) | 193 (8.45) |
| Region in China, n (%) | ||||||
| East | 407 (47.33) | 327 (35.82) | 92 (44.23) | 118 (65.92) | 49 (39.20) | 993 (43.46) |
| Central | 154 (17.91) | 125 (13.69) | 36 (17.31) | 17 (9.50) | 20 (16.00) | 352 (15.40) |
| West | 230 (26.74) | 389 (42.61) | 73 (35.10) | 36 (20.11) | 43 (34.40) | 771 (33.74) |
| Northeast | 61 (7.09) | 54 (5.91) | 4 (1.92) | 5 (2.79) | 9 (7.20) | 133 (5.82) |
| Missing | 8 (0.93) | 18 (1.97) | 3 (1.44) | 3 (1.68) | 4 (3.20) | 36 (1.58) |
| Primary practice setting, n (%) | ||||||
| Tertiary-level hospital | 626 (72.79) | 865 (94.74) | 156 (75.00) | 128 (71.51) | – | 1775 (82.2) |
| Other-level public hospital | 182 (21.16) | 38 (4.16) | 38 (18.27) | 23 (12.85) | – | 281 (12.9) |
| Private hospital | 29 (3.37) | 4 (0.44) | 6 (2.88) | 10 (5.59) | – | 49 (2.3) |
| Other | 23 (2.67) | 6 (0.66) | 8 (3.85) | 18 (10.06) | – | 55 (2.5) |