Intervention coverage and adherence
The median number of sulfadoxine-pyrimethamine (SP) doses per woman was 4 (interquartile range between 3 and 5) and the proportion of women with one, two, three, four, or five doses of SP was 0.2% (1/448), 4.9% (2/448), 17.2% (188/448), 42.0% (160/448) and 35.7% (160/448) respectively in the control arm. In the intervention arm, the median number of azithromycin doses was two per pregnant woman and that of SP was 4 (interquartile range between 3 and 5). The proportion of women with one, two, three, four, or five doses of SP in the intervention arm was 0.7% (3/450), 4.2% (19/450), 17.3% (78/450), 38.9% (175/450) and 38.9% (175/450). Overall, 93.3% (418/448) of pregnant women in the intervention arm received the required 4 g of azithromycin.