From: Effect of the PREPARE intervention on sexual initiation and condom use among adolescents aged 12–14: a cluster randomised controlled trial in Dar es Salaam, Tanzania
Follow up time
Intervention
Control
Males
N
n
I
6 months
1158
65
11.5
1213
78
13.2
12 months
87
7.3
126
10.9
ARR = 1.9, p = 0.027
Females
1052
60
11.7
1113
52
9.6
75
7.4
114
10.7
ARR = 1.6, p = 0.019