Table A1. Poisson regression model results of rear-end-striking crash rates per registered vehicle year Parameter Estimate Standard error p value Intercept -7.4352 0.1865 <0.01 Calendar year -vs.
Table A1. Poisson regression model results of rear-end-striking crash rates per registered vehicle year Parameter Estimate Standard error p value Intercept -7.4352 0.1865 <0.01 Calendar year -vs.
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