Table 3

Factors associated with any occupational injury in the past 12 months

Occupational injury
Variable Unadjusted OR (95% CI) Adjusted OR (95% CI)
Patient lifting policy
 No1.00 (referent)1.00 (referent)
 Yes0.67 (0.62, 0.73)0.73 (0.67, 0.80)
Patient lifting training
 No1.00 (referent)1.00 (referent)
 Yes0.60 (0.55, 0.65)0.74 (0.67, 0.81)
Use of powered stretcher
 Never1.00 (referent)1.00 (referent)
 Sometimes1.08 (0.96, 1.21)1.07 (0.95, 1.21)
 Always0.92 (0.83, 1.02)0.87 (0.78, 0.97)
Age (years)
  <301.00 (referent)1.00 (referent)
 30–390.93 (0.84, 1.03)0.80 (0.72, 0.89)
 40–490.90 (0.81, 1.01)0.78 (0.68, 0.88)
  ≥500.64 (0.57, 0.72)0.61 (0.53, 0.70)
Sex
 Female1.00 (referent)1.00 (referent)
 Male0.90 (0.83, 0.98)0.88 (0.80, 0.97)
EMS certification level
 BLS1.00 (referent)1.00 (referent)
 ALS1.76 (1.63, 1.91)1.55 (1.41, 1.70)
Employment status
 Part-time1.00 (referent)1.00 (referent)
 Full time1.92 (1.74, 2.11)1.66 (1.50, 1.85)
Community size of main EMS agency
 Rural1.00 (referent)1.00 (referent)
 Urban1.73 (1.52, 1.98)1.07 (0.94, 1.21)
Agency type of main EMS agency
 Fire1.00 (referent)1.00 (referent)
 Third service (municipal, non-fire)1.43 (1.27, 1.62)1.46 (1.28, 1.66)
 Private1.49 (1.35, 1.65)1.58 (1.42, 1.77)
 Hospital1.75 (1.56, 1.97)1.75 (1.53, 1.99)
 Other1.03 (0.89, 1.19)1.12 (0.95, 1.32)
Service type of main EMS agency
 Other1.00 (referent)1.00 (referent)
 Primarily 9-1-1 response0.93 (0.84, 1.03)1.06 (0.94, 1.21)
EMS experience (years)
  <31.00 (referent)1.00 (referent)
 3–71.03 (0.94, 1.13)1.03 (0.93, 1.15)
  ≥80.93 (0.85, 1.02)1.04 (0.92, 1.16)

  • Hosmer-Lemeshow goodness of fit p=0.16.

  • ALS, advanced life support; BLS, basic life support; EMS, emergency medical services.