Fig. 1

Change in mean systolic blood pressure within and between intervention and comparison groups. *p < 0.05 between follow-up and baseline for intervention communities. **p < 0.01 between follow-up and baseline for intervention communities. ***p < 0.001 between follow-up and baseline for intervention communities. ^&& p < 0.01 between follow-up and baseline changes in intervention and comparison groups. ^&&& p < 0.001 between follow-up and baseline changes in intervention and comparison groups