Table 3.

Mixed effects logistic regression by age class. FIT return at 90 days.

	54-70 years					54-59 years					60-70 years
	N	%	aORa	95% CI	p-value	N	%	aORa	95% CI	p-value	N	%	aORa	95% CI	p-value
Condition
Control condition	2786	6.5	ref			1352	7.1	ref			1434	6.0	ref
Feedback condition	1179	8.4	1.31*	1.21-1.43	<0.001	558	8.7	1.21*	1.08-1.36	0.001	621	8.1	1.43*	1.28-1.60	<0.001
Minority norms condition	1042	7.4	1.17*	1.04-1.31	0.011	494	7.9	1.08	0.94-1.25	0.282	548	7.0	1.27*	1.10-1.48	0.001
Combined condition	1086	7.7	1.22*	1.05-1.43	0.011	484	7.5	1.02	0.85-1.22	0.847	602	7.8	1.49*	1.23-1.80	<0.001
Gender
Male	2978	6.8	ref			1410	7.1	ref			1568	6.6	ref
Female	3115	7.5	1.09*	1.04-1.15	<0.001	1478	8.1	1.14*	1.05-1.23	0.001	1637	7.0	1.05	0.98-1.13	0.181
Age-class
54-59	2888	7.6	ref
60-70	3205	6.8	0.88*	0.83-0.93	0.001

*p < 0.05.

CI: confidence interval; aOR: adjusted odds ratio.

^aModel with random intercept and random screening centre slope model.