Table 5.

Participant activity for all active users ≥24 weeks (n=24). It shows usage data of participants during their first and second 12 weeks on the Web.

Activity		0-12 weeks access	12-24 weeks access	P value
		Mean (SD)	Mean (SD)
Total sessions (n)
	All ages (n=24) 50 (45,57)	16 (15.63)	<.001
	Age 12-17 years (n=11)	43 (45.56)	19 (15.29)	.05
	Age 18-25 years (n=13)	55 (46.72)	13 (15.89)	.001
	P	.54	.32
Session duration minutes
	All ages (n=24)	27 (14.12)	23 (14.37)	.35
	Age 12-17 years (n=11)	31 (13.46)	24 (14.14)	.32
	Age 18-25 years (n=13)	24 (14.36)	21 (15.00)	.71
	P	.23	.59
Chat per session
	All ages (n=24)	0.54 (0.28)	0.61 (0.34)	.16
	Age 12-17 years (n=11)	0.73 (0.21)	0.69 (0.26)	.31
	Age 18-25 years (n=13)	0.37 (0.22)	0.55 (0.40)	.04
	P	<.001	.34
Forum per session
	All ages (n=24)	0.69 (0.32)	0.65 (0.38)	.56
	Age 12-17 years (n=11)	0.59 (0.35)	0.49 (0.45)	.09
	Age 18-25 years (n=13)	0.78 (0.27)	0.79 (0.24)	.86
	P	.15	.06
Chat and/or Forum per session
	All ages (n=24)	0.91 (0.12)	0.91 (0.15)	.99
	Age 12-17 years (n=11)	0.95 (0.06)	0.91 (0.09)	.18
	Age 18-25 years (n=13)	0.89 (0.15)	0.91 (0.19)	.66
	P	.21	.98
Information per session
	All ages (n=24)	0.10 (0.09)	0.05 (0.07)	.02
	Age 12-17 years (n=11)	0.11 (0.11)	0.05 (0.07)	.09
	Age 18-25 years (n=13)	0.09 (0.07)	0.05 (0.08)	.12
	P	.64	.78
Ask-the-Expert per session
	All ages (n=24)	0.05 (0.05)	0.05 (0.11)	.91
	Age 12-17 years (n=11)	0.06 (0.06)	0.04 (0.07)	.27
	Age 18-25 years (n=13)	0.04 (0.04)	0.06 (0.14)	.60
	P	.33	.65