Table 4.

Exploratory sleep parameter models. All models control for the baseline value of the outcome and history of suicide attempt (“yes” or “no”). Dependent variables were calculated as the later time point minus baseline, and the difference in change was estimated as Sleep Healthy Using the Internet minus Insomnia Education Website. The italicized text indicates statistical significance at the P<.05 level.

Outcome	Change Time 1 to Time 2a
	Group parameter estimate, SE	Generalized η2	P value
Sleep onset latency (minutes)	–16.95 (4.37)	0.04	.0001
Wake after sleep onset + early morning awakenings (minutes)	–15.26 (5.51)	0.03	.006
Time in bed (hours)	–0.80 (0.15)	0.12	<.0001
Total sleep time (hours)	–0.31 (0.15)	0.02	.04
Sleep efficiency (%)	3.74 (1.53)	0.03	.02

^an=89, Insomnia Education Website; n=83, Sleep Healthy Using the Internet.