Female (N=79) Male (N=205) Total (N=284)
Demographics      
Ethnicity (%Hispanic) 64.6% 62.4% 63.0%
Age 16.13 (1.14) 16.17 (1.08) 16.16 (1.09)
Individual Differences      
Impulsivity(0-19) 10.95 (4.18) 10.55 (3.82) 10.67 (3.92)
Externalizing (0-64) 20.56 (11.22) 21.90 (12.95) 21.52 (12.48)
Depression(0-20)* 3.96 (3.44) 2.65 (3.09) 3.03 (3.24)
AD/HD symptomology (0-81) 27.91 (12.98) 29.22 (14.93) 28.85 (14.40)
Sexual Behavior      
% LT sexually active 78.5% 80.7% 80.1%
First intercourse age* 14.00 (1.69) 12.79 (2.07) 13.12 (2.04)
LT sexual partners* 4.94 (6.48) 6.77 (6.48) 6.24 (6.52)
LT frequency of intercourse (1-6) 3.08 (1.39) 3.02 (1.48) 3.04 (1.45)
LT condom use (1-5) 3.13 (1.18) 3.35 (1.18) 3.29 (1.18)
LT alcohol during intercourse (1-5) 2.05 (0.96) 2.31 (0.96) 2.24 (0.97)
% LT positive STI* 21.0% 6.2% 10.3%
% LT been/gotten someone pregnant 22.6% 22.7% 22.7%
3Mfrequency of intercourse (1-6) 2.64 (1.63) 2.74 (1.57) 2.72 (1.58)
3M condom use (1-5) 2.86 (1.38) 3.18 (1.35) 3.09 (1.36)
3M alcohol during intercourse (1-5) 1.83 (0.99) 2.02 (1.00) 1.97 (1.00)
30D sexual partners* 1.18 (0.68) 1.77 (1.76) 1.63 (1.59)
30D intercourse days 3.34 (6.32) 4.31 (6.40) 4.04 (6.38)
30D avg % intercourse days with condom 35.6 (48.2) 50.5 (45.9) 47.1 (46.7)
30D alcohol and intercourse days 1.15 (2.78) 1.73 (2.83) 1.60 (2.82)
Alcohol Use      
% LT used alcohol 91.0% 90.3% 90.5%
AUDIT 7.42 (8.07) 8.08 (6.98) 7.90 (7.29)
RAPI 13.28 (15.30) 13.20 (15.55) 13.22 (15.45)
First drink age* 13.12 (2.27) 12.35 (2.25) 12.57 (2.28)
3M alcohol use composite 8.28 (5.21) 8.84 (4.79) 8.68 (4.91)
30D drinking days 2.51 (4.60) 3.45 (4.81) 3.18 (4.76)
30D drinks/drinking day* 3.72 (4.95) 5.25 (6.09) 4.82 (5.83)
30D binge drinking days 2.25 (4.58) 2.58 (4.14) 2.49 (4.26)
Peer Norms 9.94 (2.28) 9.73 (2.35) 9.79 (2.33)
Motivation for Safer Sexual Behavior      
Intentions 2.76 (0.69) 2.77 (0.66) 2.77 (0.67)
Attitudes * 3.11 (0.49) 2.86 (0.50) 2.93 (0.51)
Global attitudes 5.42 (1.18) 5.19 (1.36) 5.25 (1.31)
Self-efficacy 3.47 (0.44) 3.45 (0.43) 3.46 (0.43)
Peer norms 2.65 (0.88) 2.79 (0.84) 2.75 (0.85)
Note: LT=lifetime, 3M=three months, 30D=30 days.*Significant gender difference, p<.05.Values represent mean and standard deviation unless a percentage is provided.
Table 2: Baseline Characteristics (N=284).
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