Table 2 Target population and participation by intervention activity
Characteristic | Letter (IG1) | Letter + leaflet (IG2) | Letter + leaflet + phone call (IG3) | Total intervention groups |
|---|---|---|---|---|
Assigned population | n = 1489 | n = 1276 | n = 2010 | n = 4775 |
Initial coverage (*) | 763 (51.2%) | 605(47.4%) | 894(44.5%) | 2262(47.4%) |
Final coverage | 1131 (76.0%) | 1008 (79.0%) | 1499 (74.6%) | 3638(76.2%) |
Difference | 368 (24.7%) | 403(31.6%) | 605 (30.1%) | 1376 (28.8%) |
95% CI | (22.5-26.9%) | (29.0 - 34.1%) | (28.1 - 32.1%) | (27.5 - 30.1%) |