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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: JAMA Pediatr. 2014 Oct;168(10):938–946. doi: 10.1001/jamapediatrics.2014.1436

Table 3.

Effects of the Experimental Intervention on Behavioral Outcomes at the 36-Month Follow-up Assessment

36-mo Behavioral Outcome Mean (SE)
Mean Difference (95% CI)b Relative Change, % (95% CI)b P Value
Experimental
Comparison
Crude Adjusteda Crude Adjusteda
Proportion of condom use

 Prior 90 d 0.52 (0.04) 0.50 (0.02) 0.37 (0.04) 0.41 (0.02) 0.17 (0.05 to 0.29) 0.23 (0.06 to 0.40) .008

 Prior 6 mo 0.52 (0.04) 0.51 (0.02) 0.39 (0.04) 0.42 (0.02) 0.14 (0.02 to 0.25) 0.18 (0.03 to 0.33) .02

Episodes of sex while high on drugs and/or alcohol in prior 90 d, No. 4.87 (1.39) 2.49 (0.37) 2.83 (0.81) 3.18 (0.24) 2.04 (0.45 to 3.63) 0.42 (0.09 to 0.75) .01

Vaginal sex partners in prior 6 mo, No. 1.49 (0.12) 1.42 (0.03) 1.60 (0.12) 1.69 (0.03) −0.11 (−0.22 to −0.00) −0.07 (−0.15 to −0.00) .046
a

Behavioral outcome adjusted by baseline variables: clinic, family aid index (receipt of government assistance), years in school, partner communication frequency, unprotected vaginal sex in the past 90 days, history of emotional and physical abuse, depression, perceived partner concurrency, corresponding baseline level of the outcome variable, and dose of telephone contacts.

b

Mean difference and relative change of adjusted means.