Table 1.

Sample characteristics.

Characteristics		N=8
Age, years, mean (SD)		14.2 (2.5)
Male, n (%)		50 (4)
Race/ethnicity, n (%)
	Non-Hispanic White	50 (4)
	Non-Hispanic Black	38 (3)
	Hispanic	13 (1)
Hours using the Internet per week, n, median, range		26, 19, 2-70
Hours using mobile apps per week, n, median, range		24, 12, 3-60