Table 2 HIV prevalence trends at ANC sentinel surveillance sites by site setting, age group, and at first pregnancy, Rwanda 1998–2003.

	Kigali				Other urban				Rural
	1998	2002	2003	p*	1998	2002	2003	p*	1998	2002	2003	p*
15–24	13.1	9.8	10.3	0.09	8.6	5.8	5.0	0.04	2.9	2.0	2.1	0.42
25–34	19.9	15.0	15.4	0.06	11.1	8.0	6.3	0.01	2.4	3.9	2.7	0.54
35–49	16.7	10.7	21.5	0.78	7.5	3.6	6.6	0.50	1.8	0.6	0.7	0.31
First pregnancy	13.3	10.8	8.2	0.05	6.7	4.8	4.8	0.38	3.1	0.5	1.0	0.04

*p value for χ² for linear trend.