Skip to main content

Table 2 Adjusted hazard ratios from Cox proportional hazard model for predictors of time to definitive care among severe occupational injuries. Note: HR < 1 indicates a longer time to definitive care*

From: Time to definitive care among severely injured farmers compared to other work-related injuries in a Midwestern state

 All Severe InjuriesSubset: EMS Non-usersSubset: EMS Users
adjHR95% CIadjHR95% CIadjHR95% CI
Farm vs. Non-farm
 One hour and under0.45(0.24,0.83)0.71(0.16,3.09)0.42(0.22,0.80)
 61 to 120 min1.33(0.89,1.98)0.81(0.13,5.07)1.46(0.95,2.23)
 121 to 180 min1.28(0.79,2.08)1.96(0.42,9.12)1.15(0.65,2.05)
 181 to 240 min1.40(0.77,2.54)0.63(0.11,3.65)1.73(0.84,3.59)
Injury Type (Yes vs. No)
 Pelvic Fracture1.05(0.77,1.42)1.67(0.30,9.43)1.01(0.74,1.38)
 Long Bone Fracture1.32(1.02,1.71)3.59(1.14,11.29)1.20(0.92,1.56)
 Spine Injury1.05(0.86,1.29)1.99(1.01,3.92)0.96(0.78,1.18)
 Brain Injury0.94(0.77,1.15)0.92(0.46,1.81)0.96(0.78,1.19)
 Chest Injury0.95(0.67,1.34)0.25(0.03,2.35)1.03(0.72,1.47)
Additional Covariates
Payer
  Insuranceref Ref ref 
  Medicaid/Medicare0.94(0.56,1.59)0.59(0.12,2.82)0.93(0.53,1.64)
  Worker’s Comp0.87(0.63,1.20)0.67(0.23,1.93)0.88(0.63,1.24)
  Other/Unknown0.58(0.42,0.80)0.35(0.13,0.91)0.61(0.43,0.85)
Age
  16–240.70(0.50,0.98)0.74(0.19,2.96)0.67(0.47,0.97)
  25–44ref Ref ref 
  45–640.80(0.65,0.99)0.74(0.39,1.40)0.81(0.64,1.02)
   > =650.64(0.45,0.90)0.84(0.32,2.24)0.62(0.41,0.92)
  1. *: Italicized text indicates effect estimates and 95% confidence intervals that are statistically significant. All variables were included in each model
\