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. Author manuscript; available in PMC: 2011 Mar 15.
Published in final edited form as: Subst Use Misuse. 2011;46(1):35–45. doi: 10.3109/10826084.2011.521074

Table 1.

Demographic characteristics of girls and mothers by study arm.

All
(N = 546)
M (SD) or %
Intervention
(n = 212)
M (SD) or %
Control
(n = 334)
M (SD) or %
t or X2




Girl Variables
Age 12.75 (1.02) 12.64 (1.02) 12.81 (1.01) -1.91
Race/Ethnicity 12.74*
 Black 65.2 58.0 69.8
 Latina 34.1 42.0 30.2
School grades 4.18
 A's 32.9 35.9 30.9
 B's 50.1 50.2 50.0
 C's and lower 17.1 13.9 18.7
Mother Variables
Age 39.61 (6.43) 40.44 (6.45) 39.08 (6.38)
Education 3.29
 < High school 6.2 7.5 5.4
 High school 8.6 8.5 8.7
 Some college 32.2 29.7 33.8
 College degree 35.9 34.9 36.6
 Post-graduate 17.0 17.0 14.1
Family Composition 1.22
 Single parent 55.3 52.4 57.2
 Two parent 44.7 47.6 42.8
*

p < .01.