We used propensity score weighting for all
analyses except for descriptive statistics about
the structural interventions (Table 1) and
baseline household demographics (Table 2).
Although propensity score weighting was unnecessary
for within-group comparison of
baseline versus exit visit data, we used it for
consistency.
For yes-or-no interview questions, we used
the McNemar test to test the hypothesis that the
percentage of people within each group who
answered yes to a question was different at
baseline versus exit visit. When all people had
the same responses at both times, we could
not calculate the P value. We used a logistic
model to test whether or not the log-odds of yes
answers was different for the study vs comparison
groups, controlling for the baseline
response for each variable