Table 1.

Descriptive statistics of the predisposing, enabling, and need factors.

Variable			Total sample (N=2602)				Internet users only (n=2001)
			Respondents, n (%)		Value, mean (SD)		Respondents, n (%)		Value, mean (SD)
Age (years)			N/Aa		48.2 (17)		N/A		44.8 (15.9)
Sex
	Female	1304 (50.1)		N/A		989 (49.4)		N/A
	Male	1298 (49.9)		N/A		1011 (50.6)		N/A
Socioeconomic status (total: n=2483 and internet users only: n=1921)
	Low	673 (27.1)		N/A		407 (20.4)		N/A
	Medium	1164 (46.9)		N/A		932 (46.6)		N/A
	High	646 (26)		N/A		582 (29.1)		N/A
General health status (total: n=2569 and internet users only: n=1970)
	Very bad, bad, or moderate	701 (27.3)		N/A		463 (23.5)		N/A
	Good or very good	1868 (72.7)		N/A		1507 (76.5)		N/A
Health-related self-efficacy			N/A		4.08 (0.84)		N/A		4.13 (0.79)
Information-related self-efficacy			N/A		3.55 (0.92)		N/A		3.57 (0.92)
Perceived target efficacy			N/A		2.67 (1.06)		N/A		2.80 (0.98)
Chronic disease (internet users only: n=2000)
	Yes	1447 (55.6)		N/A		1062 (53.1)		N/A
	No	1155 (44.4)		N/A		938 (46.9)		N/A

^aN/A: not applicable.