Table 3:

Early MTCT by mother’s self-reported ART coverage, ART timing, regional strata, and HIV-positive status

	Unweighted MTCT frequency	Weighted proportion (%)*	p value
Overall transmission	99/2505	3·7% (2·3–6·0)	··
Infant age group	··	··	0·0733
4–7 weeks	54/1688	2·9% (1·5–5·3)	··
8–12 weeks	45/817	5·2% (3·0–8·9)	··
MTCT option B+ coverage	··	··	<0·0001
On ART	52/2229	2·3% (1·3–4·0)	··
Not on ART	47/258	19·6% (14·3–26·3)	··
Missing	18	··	··
Mother’s reported timing of ART initiation	··	··	<0·0001
During this pregnancy	34/1081	3·4% (1·5–7·6)	··
Post partum	4/33	19·1% (4·6–53·5)	··
Stopped ART	2/17	10·2% (2·5–33·2)	··
Not on ART	41/208	19·9% (13·4–28·6)	··
Before this pregnancy	18/1148	1·4% (0·4–4·4)	··
Missing	18	··	··
Regional strata	··	··	0·651
Blantyre	21/558	3·3% (1·9–5·8)	··
South rural	26/653	3·8% (1·8–7·9)	··
Lilongwe	30/663	4·8% (3·8–6·0)	··
North-central rural	22/631	3·1% (1·8–5·3)	··
Self-reported HIV status during pregnancy	··	··	<0·0001
Positive	64/2344	2·6% (1·6–4·0)	··
Negative	24/134	20·9% (12·0–33·8)	··
Not tested	27	··	··

ART=antiretroviral therapy. MTCT=mother-to-child transmission.

^*Data are % (95% CI).