Table 2

STI prevalence at baseline and 6 month follow up by intervention group and study site

Site	Group	Month	No of women	Type of STI
				Chlamydia		Gonorrhoea		Trichomonas		Aggregated*
				No	%†	No	%†	No	%†	No	%†
*Aggregated outcome is defined as a positive result if any of STI outcomes is positive; a negative result if all STI outcomes are negative; a missing result if any STI outcome is missing or negative or not done and none is positive.
†Percentages are calculated based on the number of women with data for the corresponding STI outcome.
Antananarivo	Peer only	0	231	41	17.7	54	23.4	32	13.9	91	39.4
	Peer only	6	231	52	22.7	45	19.7	52	22.5	106	46.3
	Peer + clinic	0	232	33	14.3	45	19.5	30	12.9	83	35.9
	Peer + clinic	6	232	28	12.2	33	14.3	42	18.2	75	32.6
Tamatave	Peer only	0	214	30	14.1	51	23.9	22	10.3	79	36.9
	Peer only	6	214	21	10.1	46	22.3	27	12.6	75	36.1
	Peer + clinic	0	224	27	12.1	45	20.2	22	9.8	72	32.3
	Peer + clinic	6	224	24	11.0	40	18.3	27	12.1	69	31.7
Both sites	Peer only	0	445	71	16.0	105	23.6	54	12.1	170	38.2
	Peer only	6	445	73	16.7	91	20.9	79	17.8	181	41.4
	Peer + clinic	0	456	60	13.2	90	19.8	52	11.4	155	34.1
	Peer + clinic	6	456	52	11.6	73	16.3	69	15.2	144	32.1