. Author manuscript; available in PMC: 2015 Apr 1.

Published in final edited form as: J Affect Disord. 2014 Feb 10;158:154–160. doi: 10.1016/j.jad.2014.02.009

Table I.

Demographic characteristics

	Sample 1: TEEN HEALTH AND TECHNOLOGY (THT)	Sample 2: GROWING UP WITH MEDIA (GuwM)
Number of subjects	3777	1150
Age in years; mean (SD)	15.7 (1.65)	14.5 (1.76)
Biological Sex
Male (%)	1639 (43.4)	582 (50.6)
Female (%)	2138 (56.6)	568 (49.4)
Race
White (%)	2841 (75.2)	854 (74.3)
Black/African-American (%)	316 (8.4)	150 (13.0)
Mixed (%)	238 (6.3)	83 (7.2)
All other (%)	382 (10.1)	63 (5.5)
Current grade
5^th–8^th grade	903 (23.9)	405 (15.5)
9^th–12^th grade	2721 (72.0)	721 (62.7)
Other	153 (4.1)	24 (2.1)