Table 2.

Prevalence of Behaviors Among Adolescents (n=242)

	Estimate	SD
Sleep
Average Weekday Sleep (hours/day)	7.7	0.9
Average Weekend Sleep (hours/day)	9.3	1.4
Average Weekend Delay in Hours (weekday to weekend)	1.7	1.0
Average Weekend Oversleep in Hours (weekday to weekend)	3.3	1.5
Average Sleep Duration Difference in Hours (weekday to weekend)	−1.6	1.5
Risk Behaviors
% Ever smoked	24.8
% Current smoking	11.2
% Past month alcohol use	26.1
% Past month drunkenness	8.7
% Past month marijuana use	6.2
Average days skipped in the past month	1.2	0.5
Average depressive symptoms score	16.2a	4.3

Note.

^aRange 10–30