Study Group | Pre-Intervention (2016) | Post-Intervention (2020) | Pre-Post Difference | Difference-in-Differences | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Pregnancies | Enrolled AGYW | Rate (per 1 k) | Pregnancies | Enrolled AGYW | Rate (per 1 k) | Pregnancies | Enrolled AGYW | Rate (per 1 k) | p | IRR (95% CI) | p | |
Arm 1 | 49 | 1687 | 29 | 43 | 1588 | 28 | −6 | −99 | −1 | 0.949 | 1.00 | Ref. |
Arm 2 | 53 | 2626 | 20 | 19 | 2561 | 7 | −34 | −65 | −13 | 0.174 | 0.46 (0.33 to 0.63) | < 0.001 |
Arm 3 | 51 | 1584 | 32 | 19 | 1422 | 13 | −32 | − 162 | −19 | 0.142 | 0.66 (0.51 to 0.84) | 0.001 |