Table 2.

Effects from the ITS models for district facility-based perinatal mortality rates, comparing intervention with control

	Intervention					Control
	Effect	SE	CI 95%	p Value	Relative effect (%)	Effect	SE	CI 95%	p Value	Relative effect (%)
3 months	−1.36	1.18	(−4.16 to 1.43)	0.286	−7	−9.14	2.98	(−16.18 to −2.09)	0.018	−27
6 months	−1.73	1.36	(−4.94 to 148)	0.243	−9	−10.58	3.45	(−18.73 to −2.43)	0.018	−34
9 months	−2.10	1.58	(−5.83 to 1.63)	0.224	−12	−12.02	4.03	(−21.54 to −2.50)	0.020	−36
12 months	−2.47	1.83	(−6.79 to 1.84)	0.218	−14	−13.46	4.68	(−24.52 to −2.41)	0.024	−38
15 months	−2.84	2.09	(−7.78 to 2.10)	0.216	−16	−14.91	5.37	(−27.60 to −2.21)	0.027	−42
18 months	−3.21	2.37	(−8.81 to 2.38)	0.217	−19	−16.35	6.09	(−30.75 to −1.95)	0.031	−46
21 months	−3.58	2.65	(−9.85 to 2.69)	0.219	−21	−17.79	6.83	(−33.95 to −1.64)	0.035	−47

Effect—estimate of effect from ARIMA ITS model.

Relative effect, percentage change (compared with preslope trend).

ITS, interrupted time series.