Table 6.

P-values of Variables and interactions of the best fitting GLM Models.

		Model 1a	Model 2	Model 5	Model 6	Model 10	Model 11	Model 13	Model 26	Model 31
Target variable		Riskiness	Riskiness	Riskiness	Riskiness	Mortality	Mortality	Riskiness	Mortality	Mortality
Model fit	Akaike Corrected IC	3354.372	85.684	60.803	39.824	71.200	52.024	88.066	56.976	21.212
Fixed effects	Corrected model	<0.001	<0.001	<0.001	<0.001	<0.001	0.001	<0.001	0.003	<0.001
	Age groups	0.002	<0.001		<0.001	<0.001	0.001	<0.001		<0.001
	Sex	0.002	0.024					<0.001
	Alcohol intoxication	<0.001	0.013					<0.001
	Riskiness					0.014	0.505
	Age group × Riskiness					0.030	0.731
	Sex × Riskiness					0.218
	Age groups × Sex			<0.001				<0.001
	Sex × Alcohol intoxication							<0.001
	Age groups × Alcohol intoxication							<0.001
	Age groups × Sex × Alcohol intoxication								0.003

^aModel 1 includes year of injury as a random variable. Values in bold indicate significant effects (p < 0.05).