| Item | N | % | |
| Sex (a) | Female | 1335 | 8.2 |
| Male | 119 | 91.8 | |
| Age group | 20s | 610 | 41.8 |
| 30s | 452 | 30.9 | |
| 40s and older | 399 | 27.3 | |
| Marital status (a) | Unmarried | 950 | 65.4 |
| Married | 502 | 34.6 | |
| Engaged in childcare (a) | No | 1031 | 71.0 |
| Yes | 421 | 29.0 | |
| Engaged in nursing care (a) | No | 1338 | 91.8 |
| Yes | 120 | 8.2 | |
| Years of experience as a nurse | Mean ± SD | 11.6 ± 9.0 | |
| No. of years at present position | Mean ± SD | 3.7 ± 3.5 | |
| Work schedule | Day shift | 296 | 20.4 |
| Other shifts | 1125 | 78.4 | |
| Other | 20 | 1.2 | |