Table A2.
Frontal models
| Parameter | Parameter Estimates | ||||||
|---|---|---|---|---|---|---|---|
| Head | Thorax | Spine | Abdomen | Upper Ex | Lower Ex | ||
| Intercept | −7.745*** (−8.52,−6.97) | −8.276*** (−10.4,−6.19) | −8.729*** (−9.8,−7.63) | −9.708*** (−11.3,−8.14) | −8.836** (−12.8,−4.9) | −8.741*** (−9.91,−7.57) | |
| Belt Use (vs. unbelted) | −7.745*** (−8.52,−6.97) | −1.482* (−2.45,−0.51) | −1.14* (−1.83,0.44) | −1.574* (−2.61,−0.53) | −1.340* (−2.57,−0.11) | −1.784*** (−2.26,−1.30) | |
| Vehicle Type (vs. passenger car) | Light truck | 3.195* (0.40,5.99) | |||||
| Utility | −2.822 (−7.18,1.54) | ||||||
| Van | −2.509 (−5.88,0.86) | ||||||
| Age (yr.) | 0.025*** (0.02,0.03) | 0.031** (0.01,0.05) | 0.044*** (0.03,0.06) | 0.037* (0.01,0.06) | 0.038*** (0.02,0.06) | 0.020* (0.00,0.04) | |
| BMI (kg/m2) | 0.015 (−0.09,0.12) | 0.061** (0.03,0.09) | |||||
| deltaV (mph) | 0.114*** (0.09,0.14) | 0.163*** (0.13,0.19) | 0.090*** (0.07,0.11) | 0.147*** (0.11,0.18) | 0.126*** (0.10,0.15) | 0.162*** (0.15,0.17) | |
| Gender (vs. M) | −0.438 (−1.88,1.01) | 2.143*** (1.19,3.10) | 0.513*** (0.30,0.72) | ||||
| BMI*Gender (vs. M) | |||||||
| Age*Gender (vs. M) | 0.026* (0.00,0.05) | −0.030* (−0.05,−0.01) | |||||
| Seat Position (vs. Driver) | 1.065*** (1.50,0.63) | ||||||
| BMI*Vehicle Type (vs. passenger car) | Light Truck | −0.107 (−0.22,0.00) | |||||
| Utility | 0.058 (−0.08,0.19) | ||||||
| Van | 0.101 (−0.01,0.21) | ||||||
| Multiple Severe Impacts (vs. none) | 1.751* (0.64,2.87) | ||||||
*
p<0.05
**
p<0.001
***
p<0.0001
** Note that predictors used within the regression models are summarized in Table 1 and the process for conducting the reverse stepwise regression is detailed in section 2.2.1 of the methods within the manuscript text.
*** A summary of those occupant characteristics or interaction terms that were significant and included within the subsequent analysis is presented in Table 5.