Table 8.

Statistical tests on age groups and sex with interactions for CRASH data

CRASH data
Tests		Sex (Female)	Adult	Young	Sex*Adult	Sex*Young
Binary logistic model	P-value	<0.001	<0.001	<0.001	0.018	0.024
	CI	0.372 ∼ 0.752	1.367 ∼ 2.181	2.339 ∼ 3.935	1.089 ∼ 2.447	1.076 ∼ 2.819
	Odds	0.529	1.727	3.034	1.633	1.742
Proportional odds model	CI	0.415 ∼ 0.796	1.073 ∼ 1.598	1.671 ∼ 2.545	1.214 ∼ 2.496	1.252 ∼ 2.759
	Odds	0.574	1.309	2.062	1.741	1.858
Sliding dichotomy model	P-value	0.615	0.803	0.697	0.594	0.37
	CI	0.682 ∼ 1.905	0.712 ∼ 1.302	0.686 ∼ 1.286	0.489 ∼ 1.505	0.423 ∼ 1.378
	Odds	1.141	0.962	0.939	0.858	0.763

The reference level for sex was ‘male’ and age groups was ‘old’