Table 4.

Differences in pregnancies between the arms before and after interventions

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