Factors associated with any occupational exposure in the past 12 months
| Occupational exposure | ||
| Variable | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
| PPE/CBN training | ||
| No | 1.00 (referent) | 1.00 (referent) |
| Yes | 0.75 (0.70, 0.81) | 0.75 (0.69, 0.80) |
| Age (years) | ||
| <30 | 1.00 (referent) | 1.00 (referent) |
| 30–39 | 0.95 (0.87, 1.04) | 0.93 (0.84, 1.03) |
| 40–49 | 0.81 (0.73, 0.89) | 0.81 (00.72, 0.91) |
| ≥50 | 0.60 (0.54, 0.67) | 0.65 (0.57, 0.73) |
| Sex | ||
| Female | 1.00 (referent) | 1.00 (referent) |
| Male | 0.93 (0.86, 1.01) | 0.92 (0.85, 1.01) |
| EMS certification level | ||
| BLS | 1.00 (referent) | 1.00 (referent) |
| ALS | 1.18 (1.10, 1.27) | 1.12 (1.03, 1.22) |
| Employment status | ||
| Part-time | 1.00 (referent) | 1.00 (referent) |
| Full time | 1.33 (1.23, 1.44) | 1.26 (1.15, 1.38) |
| Community size of main EMS agency | ||
| Rural | 1.00 (referent) | 1.00 (referent) |
| Urban | 1.45 (1.29, 1.62) | 1.30 (1.14, 1.46) |
| Agency type of main EMS agency | ||
| Fire | 1.00 (referent) | 1.00 (referent) |
| Third service (municipal, non-fire) | 1.16 (1.03, 1.29) | 1.15 (1.02, 1.29) |
| Private | 1.17 (1.07, 1.28) | 1.11 (1.00, 1.23) |
| Hospital | 1.36 (1.22, 1.51) | 1.29 (1.15, 1.46) |
| Other | 0.92 (0.81, 1.05) | 0.96 (0.84, 1.11) |
| Service type of main EMS agency | ||
| Other | 1.00 (referent) | 1.00 (referent) |
| Primarily 9-1-1 response | 1.00 (0.91, 1.10) | 1.08 (0.97, 1.21) |
| EMS experience (years) | ||
| <3 | 1.00 (referent) | 1.00 (referent) |
| 3–7 | 1.00 (0.92, 1.09) | 1.05 (0.95, 1.15) |
| ≥8 | 0.77 (0.72, 0.85) | 0.92 (0.82, 1.02) |
Hosmer-Lemeshow goodness of fit p=0.43.
ALS, advanced life support; BLS, basic life support; CBN, chemical, biological and nuclear; EMS, emergency medical services; PPE, personal protective equipment.