| Characteristics | n | % |
| Age (yr) | ||
| ≤30 | 24 | 58.5 |
| ≥31 | 17 | 41.5 |
| Gender | ||
| Female | 37 | 90.2 |
| Male | 4 | 9.8 |
| Educational level | ||
| Associate degree | 8 | 19.5 |
| Bachelor’s degree | 28 | 68.3 |
| Master’s degree | 5 | 12.2 |
| Work experience(yr) | ||
| ≤10 | 29 | 70.7 |
| ≥11 | 12 | 29.3 |
| Work experience in ICU(yr) | ||
| ≤10 | 31 | 75.6 |
| ≥11 | 10 | 24.4 |