Table 1.

Baseline Characteristics of the Study Sample

Nondrinkers at
Baseline
Drinkers at
Baseline
Number898635
Mean age ± sd (y)14.6  ± 0.514.6  ± 0.4
Female (percent)50.648.0
Ethnic distribution (percent)
 Latino25.346.6
 Asian/Pacific Islander43.520.0
 White20.218.0
 African-American 4.7 5.7
 Other 6.4 9.8
Weekly media use (mean hours ± SD)
 Television23.8  ± 14.424.0  ± 15.0
 Music videos8.3  ± 11.811.5  ± 13.4
 Videos in a VCR10.8  ± 11.610.9  ± 11.3
 Computer or video games8.2  ± 12.08.3  ± 12.9