Data analysis
Descriptive statistics of the waste and sanitation workers' socio-demographic characteristics were computed for the baseline, endline period, and their underlying intervention and control group and summarized in tables comparing study arms. Then, a balance test is conducted to assess for any differences in the socio-demographic characteristics of the respondents between the treatment and control groups at baseline. We calculated proportions for categorical variables, means for symmetric continuous variables and medians for skewed continuous variables to test for these differences. Then, we performed a chi-squared test of homogeneity to compare the difference of proportions for categorical variables, a two-sample 