| Response | Total | ||
| Number of antenatal visits | Study group | Control group | |
| 1 | 0 (0.0%) | 1 (0.3%) | 1 (0.3%) |
| 2 | 3 (0.8%) | 11 (2.8%) | 14 (3.5%) |
| 3 | 11 (2.8%) | 26 (6.6%) | 37 (9.4%) |
| 4 | 60 (15.2%) | 80 (20.3%) | 140 (35.4%) |
| 5 | 91 (23.0%) | 71 (18.0%) | 162 (41.0%) |
| 6 | 23 (5.8%) | 15 (3.8%) | 38 (9.6%) |
| 7 | 3 (0.8%) | 0 (0.0%) | 3 (0.8%) |
| Total | 191 (48.4%) | 204 (51.6%) | 395 (100.0%) |