Binary logistic regression analysis of factors associated with computer and Internet use

	Internet Access for Computer at Current Residence (n = 644)			Email Use (n = 623)			Willing to Complete Questionnaire From Home Over the Internet (n = 644)			Actual Completion of One or More Questionnaires From Home Over the Internet (n = 211)
	Odds Ratio	95% CI	P	Odds Ratio	95% CI	P	Odds Ratio	95% CI	P	Odds Ratio	95% CI	P
Age < 51 years	1.99	1.17–3.38	.01	2.02	1.39–2.93	.001	1.56	1.11–2.19	< .01	1.01	0.99–1.03	.61
Male gender	1.07	0.66–1.75	.77	0.99	0.69–1.42	.95	1.09	0.79–1.50	.61	0.95	0.48–1.86	.95
Urban residence	1.00	0.55–1.85	.98	1.04	0.66–1.64	.86	1.37	0.91–2.06	.13	0.69	0.28–1.70	.42
Employed or in school	3.24	1.60–6.56	.001	3.71	2.35–5.88	< .001	1.48	1.02–2.13	.04	1.38	0.64–3.01	.31
Married/ common-law	1.38	0.82–2.32	.23	0.70	0.47–1.04	.08	0.87	0.62–1.24	.45	0.80	0.39–1.69	.35
Ontario resident	1.50	0.75–3.03	.25	0.92	0.52–1.64	.79	1.00	0.59–1.69	.99	1.28	0.46–3.55	.60