Descriptions of the potential predictors included in the univariate analyses.

Source Key.1 = response of pregnant woman to a question by a fieldworker; 2 = response of pregnant woman to a question from a health worker; 3 = action observed by fieldworker; 4 = heard by a fieldworker during observations; 5 = written information/data observed by fieldworker; PMTC, Prevention of Mother to Child Transmission; ITN, Insecticide Treated Net; STI, sexual transmitted infection; UTI, Urinary Tract Infection; HIV, human immunodeficiency virus; ANC, Antenatal clinic;