TABLE 1—

Mean Subscores and Total Score by Type of Web Site: Accuracy of Weight Loss Information Search Engine Results on the Internet, 2012

	Content Subscores
	Nutrition (Range = 0–4)	Physical Activity (Range = 0–4)	Behavioral (Range = 0–4)	Pharmaco-therapy (Range = 0–2)	Surgery (Range = 0–2)	Authorship (Range = 0–6)	Content (Range = 0–16)	Design (Range = 0–6)	Total Score (Range = 0–28)
All sites (n = 103), mean SD	1.57 (0.99)	1.08 (1.01)	0.95 (0.91)	0.11 (0.39)	0.04 (0.21)	0.82 (0.96)	3.75 (2.48)	3.62 (0.74)	8.07 (3.40)
Commercial (n = 21), mean SD	1.09 (1.05)	0.71 (1.12)	0.45 (0.72)	0.11 (0.32)	0.10 (0.37)	0.38 (0.80)	2.37 (2.60)	3.37 (0.89)	5.92 (3.42)
News/media (n = 52), mean SD	1.52 (0.91)	0.99 (0.91)	0.96 (0.98)	0.05 (0.28)	0 (0)	0.65 (0.79)	3.52 (2.31)	3.48 (0.72)	7.63 (3.13)
Blog (n = 7), mean SD	2.52 (0.57)	2.05 (1.01)	1.67 (0.86)	0.10 (0.16)	0 (0)	0.43 (0.79)	6.33 (1.99)	4.05 (0.23)	10.81 (2.35)
Med/uni/gov (n = 14), mean SD	1.86 (1.11)	1.18 (1.05)	1.35 (0.71)	0.42 (0.75)	0.02 (0.09)	2.07 (0.92)	4.82 (2.27)	4.27 (0.27)	10.67 (3.17)
Unclassified (n = 9), mean SD	2.07 (0.28)	1.52 (0.73)	0.93 (0.62)	0 (0)	0.15 (0.44)	1.11 (0.78)	4.67 (1.33)	3.70 (0.63)	9.48 (1.25)
Analysis of variance P	.001	.018	.008	.027	.213	< .001	< .001	.001	< .001

Note. med/uni/gov = medical, university, or government sites.