Sample size (or number of clusters) by treatment arms
Randomization Stage 1: 76 communities as clusters (38 treatment, 38 control). 60 households in each community are included in survey sample.
Randomization Stage 2: 35 households in each treatment community randomly assigned to direct enrollment in FCC program; 25 in each treatment community are controls (not assigned to direct enrollment).
Randomization Stage 3: equal share of households assigned to each of six treatment conditions (HIV information, ART information, both HIV and ART information, anti-stigma, high incentive for HIV testing, and control).