Table 2.
Factors associated with ≥5 phone calls to hospitals by EMS personnel at the scene
| Adjusted OR | 95% CI | p Value | |
|---|---|---|---|
| Age group (versus adults) | |||
| Children | 0.375 | 0.340 to 0.414 | <0.001 |
| Elderly | 1.107 | 1.061 to 1.156 | <0.001 |
| Female (vs male) | 0.912 | 0.876 to 0.949 | 0.001 |
| Foreigners | 2.393 | 1.752 to 3.268 | <0.001 |
| Loss of consciousness (GCS≤8) | 1.234 | 1.140 to 1.336 | <0.001 |
| Location (compared with home) | |||
| Public place | 0.912 | 0.871 to 0.955 | 0.259 |
| Workplace | 0.645 | 0.550 to 0.758 | <0.001 |
| Healthcare facility | 0.834 | 0.627 to 1.109 | 0.212 |
| Other | 0.941 | 0.865 to 1.023 | 0.153 |
| Night-time (compared with daytime) | 2.426 | 2.321 to 2.536 | <0.001 |
| Weekends/holidays (compared with weekdays) | 1.362 | 1.262 to 1.470 | <0.001 |
| Reason for EMS request (compared with internal disease) | |||
| Gynaecological disease | 0.234 | 0.158 to 0.347 | <0.001 |
| Fire accident (with natural disaster) | 1.137 | 0.753 to 1.716 | 0.499 |
| Water accident | 0.413 | 0.098 to 1.749 | 0.230 |
| Traffic accident involving vehicle, ship or aircraft | 0.933 | 0.870 to 1.000 | 0.050 |
| Injury, poisoning and disease due to industrial accident | 1.415 | 1.157 to 1.731 | 0.001 |
| Disease and injury during sports | 1.253 | 0.986 to 1.594 | 0.065 |
| Disease and injury while watching sports | 1.068 | 0.245 to 4.660 | 0.930 |
| Asphyxiation | 1.154 | 0.870 to 1.532 | 0.320 |
| Gas poisoning not due to industrial accident and self-injury | 3.281 | 1.201 to 8.965 | 0.020 |
| Trauma due to assault | 2.662 | 2.390 to 2.966 | <0.001 |
| Self-induced drug abuse and gas poisoning | 4.527 | 3.921 to 5.228 | <0.001 |
| Self-induced trauma | 1.708 | 1.369 to 2.130 | <0.001 |
| Other injury | 1.214 | 1.152 to 1.279 | <0.001 |
EMS, emergency medical service; GCS, Glasgow Coma Scale.