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Table 3 Factors associated with logarithm of injury cost by mixed model

From: The regional differences in prevalence, medical expenditures and risk factors for injury in Taiwanese teenagers

  Estimate Cost1 95% C I   p-value
Intercept 6.7 851.4 6.57 6.92 <.0001
Area (vs Taiwan)
Offshore - 0.4 545.8 -0.61 -0.28 <.0001
Mountain 0.0 825.3 -0.19 0.12 0.691
Gender (vs Female)
Male 0.2 1012.5 0.07 0.27 0.001
Age (vs 18–21)
12–14 - 0.2 721.5 -0.29 -0.04 0.012
15–17 - 0.1 776.0 -0.20 0.02 0.098
Risk behavior (vs None)
One - 0.1 767.9 -0.25 0.04 0.165
Two or more 0.0 821.4 -0.17 0.09 0.588
Household Income (vs <29,999)
30,000~49,999 - 0.1 750.5 -0.27 0.02 0.090
50,000~69,999 - 0.1 797.2 -0.21 0.08 0.377
70,000~99,999 0.1 913.9 -0.10 0.24 0.407
>100,000 - 0.1 807.6 -0.22 0.11 0.534
Seatbelt (vs Yes)
No - 0.1 777.5 -0.22 0.04 0.172
Helmet (vs Yes)
No 0.0 829.6 -0.12 0.07 0.596
Injury types (vs Sprains/Strains)
Open Wounds 0.6 1579.1 0.50 0.73 <.0001
Fractures 0.5 1382.2 0.27 0.70 <.0001
Contusions - 0.1 788.9 -0.18 0.03 0.153
Other Injuries - 0.4 577.7 -0.52 -0.26 <.0001
  1. Cost1: cost was calculated as exp (intercept + coefficient)