Abstract P1-S6.46 Table 1

Impact of intervention in 2007/8 according to number of years of exposure to in-school intervention (1999–2002)^*

Outcome	Overall	Years of in-school intervention (‘99-‘02)			Test for trend (p value)
Outcome	Overall	1 yr	2 yrs	3+ yrs	Test for trend (p value)
HIV acquisition knowledge (% with all 3 responses “correct”)
Male	1.11 (0.99, 1.23)*	1.09	1.12	1.12	0.56
Female	1.11 (1.00, 1.24)*	1.12	1.11	1.12	0.85
STD acquisition knowledge (% with all 3 responses “correct”)
Male	1.18 (1.04, 1.34)**	1.19	1.20	1.16	0.70
Female	1.24 (0.97, 1.58)*	1.22	1.21	1.32	0.32
Pregnancy prevention knowledge (% with all 3 responses “correct”)
Male	1.19 (1.12, 1.26)**	1.13	1.19	1.25	0.0001**
Female	1.17 (1.06, 1.30)**	1.12	1.20	1.19	0.03**
Attitudes to sex (% with all 3 responses “correct”)
Male	1.31 (0.97, 1.77)*	1.26	1.33	1.38	0.15
Female	1.09 (0.67, 1.77)	0.78	1.23	1.25	0.008**