Mean scores of professional identity according to demographic characteristics of participants (N=952)
| Variables | Category | n | % | Mean | SD | t/F value | P value |
| Gender | Female | 765 | 80.4 | 29.853 | 8.247 | 0.804* | 0.422 |
| Male | 187 | 19.6 | 29.299 | 9.242 | |||
| Age | ≤30 | 398 | 41.8 | 29.090 | 8.312 | 2.895† | 0.056 |
| 31–39 | 327 | 34.3 | 29.828 | 8.699 | |||
| ≥40 | 227 | 23.9 | 30.770 | 8.251 | |||
| Marital status | Single/divorced/ widow/separated | 324 | 34.0 | 28.530 | 8.688 | 3.199* | 0.001 |
| Married/cohabitating | 628 | 66.0 | 30.371 | 8.261 | |||
| Educational situation | Technical secondary school‡ | 155 | 16.3 | 28.052 | 9.057 | 7.498† | 0.001 |
| College‡ | 320 | 33.6 | 29.103 | 8.328 | |||
| Undergraduate and above | 477 | 50.1 | 30.733 | 8.209 | |||
| Working years | ＜5 | 301 | 31.6 | 28.338 | 7.640 | 8.230† | ＜0.001 |
| 5–10 | 238 | 25.0 | 28.974 | 8.791 | |||
| 11–15§ | 164 | 17.2 | 30.615 | 8.586 | |||
| ＞15¶§ | 249 | 26.2 | 31.606 | 8.596 | |||
| Professional title | Junior nurse | 643 | 67.5 | 29.457 | 8.486 | 1.183† | 0.307 |
| Intermediate nurse | 271 | 28.5 | 30.391 | 8.408 | |||
| Senior nurse | 38 | 4.0 | 30.000 | 8.057 | |||
| Types of employment | ‘Bianzhi’ nurses | 329 | 34.6 | 30.109 | 8.081 | 0.968* | 0.333 |
| Contract-based nurses | 623 | 65.4 | 29.552 | 8.637 | |||
| Overtime | No | 343 | 36.1 | 30.647 | 8.169 | 2.480* | 0.013 |
| Yes | 609 | 63.9 | 29.236 | 8.568 | |||
| Chronic diseases | No | 765 | 80.4 | 30.328 | 8.391 | 4.349* | ＜0.001 |
| Yes | 187 | 19.6 | 27.358 | 8.288 |
*t-value.
†F-value.
‡Compared with undergraduate and above, P＜0.05.
§Compared with＜5 years, P＜0.05.
¶Compared with 5-10 years, P＜0.05.