. Author manuscript; available in PMC: 2016 Apr 1.

Published in final edited form as: Ann Behav Med. 2015 Apr;49(2):154–164. doi: 10.1007/s12160-014-9643-6

Table 2. Mean engagement with key components of the intervention by engagement group, in minutes.

	Non-engaged users (n=59)	Low-engaged users (n=113)	Moderate-highly engaged users (n=124)	All users combined (n=296)	Between-group differences
Social networking components
Discussion board	2.2 (2)	29.8 (28)	312.9 (300)	142.9 (243)	^***
Personal pages	0.5 (1)	17.6 (20)	300.0 (303)	132.4 (243)	^***
Webmail	0 (0)	0.1 (0.6)	4.1 (9.1)	1.8 (6.2)	^***
Structured intervention components
Guidance modules	0.3 (1)	8.3 (14)	96.0 (82)	43.4 (70)	^***
Facilitated chat	0.1 (0.4)	2.9 (12)	278 (305)	117.7 (240)	^***
Total time using intervention	3.1 (3)	58.8 (45)	991.0 (808)	438.2 (703)	^***

Standard deviations appear in parentheses

^***

p<0.001