Overall , women having < 6 years of schooling adhered more to food ( 81 vs. 69 packets , P = 0.0001 ) but a little less to micronutrient ( 104 vs. 120 capsules , P = 0.0001 ) supplementation compared to women having more schooling , adjusted for maternal age ( years ) , parity and body mass index ( BMI , kg/m2 ) at week 8 pregnancy .