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Pregnancy test of proportion at pre and post interventions by arm
| Pre-Intervention (2016) | Post intervention (2020) | Difference | P Values | |
|---|---|---|---|---|
| n (%) | n (%) | N (%) | ||
| Arm 1 | 1687 (3.0) | 1, 588 (2.7) | 99 (0.3) | 0.606 |
| Arm 2 | 2626 (2.0) | 2, 561 (0.7) | 65 (1.3) | 0.001 |
| Arm 3 | 1584 (3.0) | 1, 422 (1.3) | 162 (1.7) | 0.001 |
