Socio- demographic characteristics
A total of 366 eligible pregnant women were recruited to the study from six health centers. Of which, 326 women (163 from each arm) who were strictly adhered to the protocol were included in the final analysis. Baseline data on age, ethnicity, wealth index, occupation, family size, religion and educational status of the respondents were similar between the two arms (The age of the pregnant women enrolled in the study ranges between 18-45 years (mean ± SD =25.8± 4.49).The study participants had an average family size of 3.07(±1.11) and 4.04(±4.56) in intervention and control group respectively. The socio-demographic characteristics of the study participants are available elsewhere [