Randomization
If a CHV was available within a feasible distance of the patient’s residence, the patient was randomized between the two arms. The sequence was previously prepared by a statistician who did not have patient contact. Variable size blocks were used, specifically of length 2, 4, 6, and 8, generated by the blockrand() function of R version 3.3.1, resulting in a sequence with 50 and 25 records for the intervention and control groups respectively, that is, a 2:1 ratio [