Table 2.

Univariate and multivariate odds ratios and 95% confidence intervals of individual characteristics, behaviors, social cognitive variables, and health indicators for visiting the website in the first period after the health check (n = 726)

			Univariate Analysis		Multivariate Analysis
			OR	95% CI	OR	95% CI
Demographics
	Female gender		0.93	0.69-1.25	1.00	0.74-1.36
	Age (years)
		<30	1.00		1.00
		30-39	1.35	0.82-2.23	1.35	0.81-2.24
		40-49	1.35	0.83-2.21	1.18	0.72-1.96
		50+	1.89b	1.15-3.13	1.65	0.97-2.79
	Education level
		Low	0.92	0.62-1.39
		Intermediate	0.76a	0.55-1.06
		High	1.00
	Dutch ethnicity		0.96	0.64-1.45
	Married/cohabiting		1.34a	0.94-1.89
	Behavior
		Insufficient moderate physical activity	0.66b	0.47-0.91	0.64b	0.46-0.90
		Insufficient vigorous physical activity	1.01	0.73-1.39
		Insufficient fruit or vegetable intake	1.01	0.75-1.36
		Smoking	0.71a	0.47-1.07
		Excessive alcohol consumption	0.83	0.37-1.85
Social cognitive variables
	Physical activity
		Positive attitude	1.36b	1.01-1.83
		High social support	0.84	0.55-1.27
		High self-efficacy	1.00	0.71-1.43
		Intention to increase physical activity	1.11	0.83-1.49
	Fruit and vegetable intake
		Positive attitude	1.22	0.88-1.69
		High social support	0.97	0.62-1.52
		High self-efficacy	0.89	0.60-1.31
		Intention to increase intake	0.70a	0.47-1.05
	Health indicators
		Overweight/obese	0.96	0.71-1.30
		Poor/moderate general health	1.29	0.68-2.46
		Lowest quartile mental health	1.18	0.84-1.66
		Lowest quartile physical health	0.97	0.69-0.37
		Elevated blood pressure	0.82	0.59-1.13
		Elevated total cholesterol level	1.51b	1.12-2.04	1.44b	1.05-1.98
		Poor predicted maximum oxygen uptake	0.83	0.53-1.31

^a P < .20, considered for inclusion in the multivariate logistic regression analysis

^b P < .05