Table 5. Statistically significant moderators of the intervention effect at 6, 12, and 24 months post-intervention.

Moderatora	6 months		12 months		24 months
	Odds ratio	95% CI	Odds Ratio	95% CI	Odds Ratio	95% CI
Family history of colorectal cancer
Survey-only	0.975	(0.44–2.19)	0.793	(0.35–1.77)	0.937	(0.45–1.97)
Web site	1.566	(0.75–3.29)	1.654	(0.80–3.43)	1.310	(0.63–2.70)
Tailored	2.794*	(1.17–6.69)	2.576*	(1.08–6.16)	2.795*	(1.14–6.87)
Prior screening
Survey-only	1.227	(0.80–1.88)	1.224	(0.81–1.85)	1.380	(0.93–2.04)
Web site	2.173*	(1.39–3.39)	1.787*	(1.17-2.72)	2.192*	(1.45–3.31)
Tailored	2.416*	(1.52–3.85)	2.239*	(1.45–3.46)	2.401*	(1.58–3.65)
Stage of changeb
Survey-only	1.126	(0.96–1.32)	1.151	(0.99–1.34)	1.161	(0.84–1.61)
Web site	1.042	(0.89–1.22)	1.080	(0.93–1.26)	1.133	(0.81–1.58)
Tailored	1.208*	(1.03–1.42)	1.217*	(1.04–1.42)	1.731*	(1.25–2.39)
MD recommend screening
Survey-only	1.108	(0.72–1.69)	1.132	(0.75–1.71)	1.256	(0.85–1.86)
Web site	0.840	(0.55–1.29)	0.786	(0.52–1.19)	0.820	(0.55–1.22)
Tailored	1.387	(0.89–2.16)	1.546*	(1.01–2.35)	1.380	(0.92–2.06)

Odds ratios and 95% CI from Mantel–Haenszel models

^aModerators were measured on the baseline survey

^bOdds ratio for stage of change is the odds for each incremental positive increase in stage, i.e., precontemplation to contemplation, contemplation to preparation

^*p<0.05