Table 1.

Site characteristics and evidence-based quality scores

Site Characteristic		Number of Sites (%)	Mean (SD) Evidence-Based Guideline Score(max = 20)
Ownership structure	Individual	13 (54.2%)	1.5 (2.1)
	Organization*	11 (45.8%)	6.1 (4.2)
			t14.2** = −3.36, P = .005
Editorial board	Yes	6 (25%)	7.7 (3.2)
	No	18 (75%)	2.2 (3.1)
			t22 = −3.67, P = .001
Scope†	Depression specific	15 (62.5%)	2.4 (3.5)
	Broad scope	8 (33.3%)	6.2 (3.7)
			t21 = −2.41, P = .03
Health professional involved	Yes	9 (37.5%)	7.2 (3.0)
	No	15 (62.5%)	1.4 (2.6)
			t22 = −4.94, P < .001
Promotion of products/services	Yes	10 (41.7%)	4.1 (4.2)
	No	14 (58.3%)	3.2 (3.8)
			t22 = −0.54, P = .596
Privacy policy	Yes	9 (37.5%)	6.4 (3.6)
	No	15 (62.5%)	1.9 (3.1)
			t22 = −3.23, P = .004
Disclaimer	Yes	10 (58.3%)	7.0 (3.7)
	No	14 (41.7%)	1.2 (1.7)
			t11.7** = −4.64, P = .001
Feedback mechanism	Yes	22 (91.7%)	N/A‡
	No	2 (8.3%)	N/A‡
Register for all information	Yes	6 (25%)	6.6 (4.0)
	No	18 (75%)	2.6 (3.4)
			t22 = −2.38, P = .03
Collect personal information	Yes	7 (29.2%)	4.6 (4.1)
	No	17 (70.8%)	3.1 (3.9)
			t22 = −0.85, P = .41
All sites		24	3.6 (3.9)

^* Commercial, consumer, or other organized group

^** Levene's correction applied

^† One site not depression related

^‡ Not analyzed due to small sample size