Table 2. Descriptive statistics for sexual risk taking attitudes and family support and communication scales at baseline (N=283).

	Mean [95% Confidence Interval]
Variable (min-max)	Total	Control group	Treatment Group	Design-based F
OUTCOME VARIABLE	(N=283)	(n=146)	(n=137)
Sexual risk taking attitudes	1.55 [1.35, 1.75]	1.38 [1.2, 1.56]	1.74 [1.51, 1.96]	6.89*
It is OK for someone my age to have sex with someone they just met	1.26 [1.14, 1.38]	1.16 [1.07, 1.25]	1.37 [1.16, 1.56]	3.84
It is OK for someone my age to have sex with someone they love	1.92 [1.66, 2.17]	1.85 [1.53, 2.17]	1.99 [1.61, 2.36]	0.33
It is OK for someone my age to have premarital sex	1.80 [1.35, 2.25]	1.39 [1.17, 1.60]	2.24 [1.63, 2.85]	7.96*
It is OK to force girlfriend/boyfriend to have sex against their will	1.28 [1.1, 1.46]	1.1 [.99, 1.21]	1.47 [1.24, 1.70]	9.65**
It is OK to have sex without protection with someone you know	1.51 [1.28, 1.74]	1.45 [1.07, 1.83]	1.57 [1.36, 1.79]	0.37
MEDIATING VARIABLES
Perceived family support (min 1 – max 5)	4.09 [4.0, 4.19]	4.09 [4.01, 4.17]	4.1 [3.92, 4.27]	0.00
Your parent/caregiver:
Takes time to listen to you	3.45 [3.33, 3.57]	3.50 [3.41, 3.59]	3.39 [3.19, 3.6]	1.03
Offers to help if you have a problem	3.64 [3.52, 3.75]	3.67 [3.59, 3.75]	3.61 [3.39, 3.82]	0.37
Is available when needed	4.15 [3.93, 4.36]	4.26 [4.14, 4.37]	4.03 [3.65, 4.41]	1.50
I tell my caregiver important things that happen to me	4.21 [4.05, 4.37]	4.30 [4.17, 4.43]	4.12 [3.87, 4.36]	2.12
I let my caregiver know when I'm sad or upset	3.32 [3.04, 3.6]	2.99 [2.73, 3.24]	3.67 [3.26, 4.08]	9.29**
Helps me in practical ways	4.06 [3.91, 4.21]	4.01 [3.9, 4.13]	4.11 [3.83, 4.39]	0.45
Makes me feel good about self	4.57 [4.44, 4.69]	4.63 [4.51, 4.74]	4.5 [4.29, 4.71]	1.23
Is a good listener when I have problems	4.49 [4.38, 4.61]	4.5 [4.31, 4.68]	4.49 [4.34, 4.63]	0.00
Often criticizes me	2.18 [1.96, 2.41]	2.25 [1.95, 2.55]	2.12 [1.77, 2.46]	0.30
Has caused me a lot of problems	1.27 [1.17, 1.36]	1.28 [1.2, 1.35]	1.26 [1.09, 1.42]	0.06
Helps me set rules for myself	4.37 [4.24, 4.49]	4.46 [4.35, 4.57]	4.26 [4.08, 4.44]	4.14
Would help if I had problems in school	4.33 [4.2, 4.46]	4.32 [4.14, 4.49]	4.34 [4.14, 4.55]	0.04
Family communication
Family sexual risk communication, frequency (min 1 - max 4)	2.15 [1.95, 2.35]	2.13 [1.93, 2.33]	2.17 [1.82, 2.51]	0.04
Parents talk about HIV/AIDS	2.11 [1.88, 2.35]	2.05 [1.76, 2.33]	2.18 [1.85, 2.52]	.43
Parents talk about having sex	2.13 [1.91, 2.35]	2.2 [1.98, 2.42]	2.05 [1.65, 2.45]	.48
Parents talk about STDs	2.03 [1.85, 2.2]	2.02 [1.81, 2.23]	2.04 [1.76, 2.31]	.01
Parents talk about bad friends	2.36 [2.16, 2.57]	2.32 [2.16, 2.48]	2.41 [2.04, 2.78]	.21
Parents talk about puberty	2.10 [1.86, 2.35]	2.06 [1.82, 2.3]	2.15 [1.72, 2.58]	.16
Family sexual risk communication, comfort level (min 1 - max 4)	2.31 [1.96, 2.65]	2.51 [2.0, 3.01]	2.09 [1.62, 2.57]	1.64
Comfortable talking with parents about HIV/AIDS	2.21 [1.86, 2.56]	2.43 [1.94, 2.93]	1.98 [1.49, 2.47]	1.95
Comfortable talking with parents about having sex	2.17 1.82, 2.53]	2.43 [1.91, 2.96]	1.9 [1.45, 2.35]	2.73
Comfortable talking with parents about STDs	2.24 [1.91, 2.56]	2.46 [1.95, 2.96]	2.0 [1.58, 2.42]	2.27
Comfortable talking with parents about bad friends	2.4 [2.03, 2.78]	2.55 [2.01, 3.08]	2.25 [1.7, 2.8]	0.70
Comfortable talking with parents about puberty	2.5 [2.15, 2.85]	2.66 [2.18, 3.13]	2.34 [1.81, 2.86]	0.95
Willingness to talk about problems (min 0 – max 3)	2.46 [2.29, 2.63]	2.51 [2.35, 2.68]	2.4 [2.11, 2.69]	0.52
Would you talk about schoolwork?	90.25 [84.34, 94.09]	90.14 [86.31, 92.99]	90.37 [76.63, 96.41]	0.002
Would you talk about boyfriend/girlfriend?	75.45 [68.11, 81.56]	77.46 [67.26, 85.19]	73.33 [62.84, 81.73]	0.46
Would you talk about skipping school?	80.14 [71.93, 86.41]	83.0 [75.16, 88.87]	77.04 [63.4, 86.66]	1.01

^*p≤.05,

^**p≤.01,

^***p≤.001