Table 3.

Mean Sub-scores and Total Score by Type of Website

	Content Sub-scores
	Nutrition (Range = 0–4)	Physical Activity (Range = 0–4)	Behavioral (Range = 0–4)	Pharmaco-therapy (Range = 0–2)	Surgery (Range = 0–2)	Content (Range = 0–16)	Authorship (Range = 0–6)	Design (Range = 0–6)	Total Score (Range = 0–28)
All sites (n = 66), mean SD	1.5 (0.7)	1.0 (0.9)	0.9 (0.8)	0.0 (0.1)	0 (0)	3.4 (2.0)	0.8 (0.8)	4.2 (0.9)	8.5 (2.8)
Commercial (n = 21), mean SD	1.5 (0.6)	1.1 (0.9)	0.9 (0.7)	0.1 (0.2)	0.0 (0.1)	3.5 (1.8)	0.8 (0.7)	4.1 (0.9)	8.4 (2.5)
News/media (n = 24), mean SD	1.3 (0.8)	0.6 (0.6)	0.6 (0.5)	0.0 (0.1)	0 (0)	2.5 (1.4)	0.8 (0.8)	4.1 (0.8)	7.4 (2.3)
Blog (n = 10), mean SD	1.0 (0.5)	0.6 (0.7)	0.5 (0.5)	0.1 (0.2)	0 (0)	2.2 (1.2)	0.5 (0.6)	4.2 (0.9)	6.9 (1.3)
Med/uni/gov (n = 0), mean SD	-	-	-	-	-	-	-	-	-
Unclassified (n = 11), mean SD	2.2 (0.5)	2.0 (0.8)	2.0 (0.7)	0 (0)	0 (0)	6.3 (1.4)	1.3 (1.1)	4.8 (0.5)	12.4 (1.3)
P	.0009	.0004	< .0001	0.46	0.54	< .0001	0.27	0.08	< .0001

Note. Med/uni/gov = medical, university, or government sites. P values are based on Kruskal-Wallis non-parametric test.