A randomised controlled trial of personalised decision support delivered via the internet for bowel cancer screening with a faecal occult blood test: the effects of tailoring of messages according to social cognitive variables on participation

Table 7 Multivariate GLM of predictors of FOBT return for per protocol sample (N = 2,270) including significant psychosocial variables

Reference category	Comparison category	Odds ratio	p-value	95% CI
Reference category	Comparison category	Odds ratio	p-value	Lower	Upper
Control	Tailored	1.37	0.01	1.07	1.76
Control	Non-tailored	1.68	0.00	1.30	2.17
Female	Male	0.77	0.02	0.63	0.96
Age 50–54 years	55-59	1.49	0.00	1.15	1.93
	60-64	3.03	0.00	2.23	4.10
	65-69	2.09	0.00	1.45	3.01
	70-74	3.09	0.00	1.93	4.92
WA	NSW	0.81	0.20	0.59	1.12
	QLD	1.19	0.30	0.86	1.65
	SA	1.41	0.04	1.02	1.96
	VIC	0.86	0.34	0.62	1.18
Self-Efficacy	N/A	1.73	0.00	1.45	2.07

ISSN: 1472-6947