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. Author manuscript; available in PMC: 2014 Jul 30.
Published in final edited form as: J Sleep Res. 2013 Oct 18;23(2):133–142. doi: 10.1111/jsr.12096

Table 1.

Participant Demographics (n = 56)

Characteristic Number Percentage
Age
14 10 17.9
15 12 21.4
16 19 33.9
17 9 16.1
18 5 8.9
19 1 1.8
Mean Age (SD) 16.6 years (1.2)
Sex
Male 22 39.3
Female 34 60.7
Ethnicity
White 47 83.9
Black 3 5.4
Hispanic 3 5.4
Multi-Ethnic 2 3.6
Other 1 1.8
School Type
Independent 31 55.4
Public 25 44.6

Note. SD = standard deviation.