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. 2008 Jul 31;337:a308. doi: 10.1136/bmj.39609.657581.25

Table 2 .

New sexual topics discussed for first time from baseline to nine months after intervention, reported by parents and adolescents. Figures are percentages (95% confidence intervals) of participants who reported each number of new topics

No of new topics Control Intervention*
Reported by parents:
 0 29 (24 to 34) 8 (5 to 11)
 1 20 (15 to 24) 11 (7 to 14)
 2 16 (12 to 21) 10 (7 to 13)
 3-6 27 (21 to 32) 33 (28 to 38)
 ≥7 8 (5 to 12) 38 (32 to 44)
Reported by adolescents:
 0 31 (26 to 36) 18 (14 to 22)
 1 19 (15 to 24) 11 (8 to 15)
 2 9 (6 to 12) 8 (5 to 10)
 3-6 28 (23 to 33) 30 (24 to 35)
 ≥7 13 (9 to 17) 33 (28 to 39)

*Intervention group discussed significantly more topics than control group (P<0.001) in linear regressions, predicting uncollapsed count of new topics discussed after baseline and adjusted for number of topics discussed at baseline. Separate models run for parents and adolescents.