| Item | Number（n） | Percent（%） |
| Gender | ||
| Male | 21 | 7.2 |
| Female | 272 | 92.8 |
| Age（y） | ||
| ≤30 | 145 | 49.5 |
| 31-40 | 106 | 36.2 |
| 41-50 | 38 | 12.9 |
| ≥51 | 4 | 1.4 |
| Highest education | ||
| Junior college and below | 134 | 45.7 |
| Bachelor degree and above | 159 | 54.3 |
| Operating post | ||
| Responsibility position | 161 | 55.0 |
| Pre-examination triage position | 35 | 11.9 |
| Rescue position | 41 | 14.0 |
| Other | 56 | 19.1 |
| Professional titles | ||
| Nurse | 92 | 31.4 |
| Primary nurse | 150 | 51.2 |
| Supervisor nurse and above | 51 | 17.4 |
| Working years as nurse（y） | ||
| ≤5 | 99 | 33.8 |
| 6-10 | 67 | 22.9 |
| 11-15 | 59 | 20.1 |
| ≥16 | 68 | 23.2 |
| ED working age（y） | ||
| ≤5 | 132 | 45.1 |
| 6-10 | 81 | 27.6 |
| 11-15 | 41 | 14.0 |
| ≥16 | 39 | 13.3 |
| Nursing experience of patients with EID | ||
| Yes | 53 | 18.1 |
| No | 240 | 81.9 |
| Emergency rescue experience of EID | ||
| Yes | 14 | 4.8 |
| No | 279 | 95.2 |
