Baseline characteristics of clusters
| Intervention arm | Control arm | Total | |
| A. Number of slums | 10 | 10 | 20 |
| B. Number of households | 1209 | 1342 | 2551 |
| C. Total population in the slums | 4578 | 4961 | 9539 |
| D. Out of C, no. (%) more than 18 years | 3521 (77%) | 3831 (77%) | 7352 |
| E. Out of D, blood pressure measured at baseline | 2922 (83%) | 3234 (84%) | 6156 |
| F. Out of E, no. (%) of individuals with hypertension | 991 (33.9%) | 1083 (33.4%) | 2074 |
| G. Out of F, no (%) recruited for the study | 968 (97.6%) | 984 (91%) | 1952 |
| H. Average distance to nearest government health facility (mean, range) | 1.62 km (0.05–4.8 km) | 1.93 km (0.4–4.9 km) |