Effect of Implementing a Free Delivery Service Policy on Women’s Utilization of Facility-Based Delivery in Central Ethiopia: An Interrupted Time Series Analysis

Table 2

Parameter estimates, standard errors, and values of a segmented regression model predicting the average number of deliveries per month in East-Shewa zone, central Ethiopia, 2007-2016.

Independent variables	Coefficient	Standard error	value	RE%
Model (correcting for the first-order autocorrelation)
Initial level of facility deliveries ()	173.867	8.791	0.000
Preintervention slope ()	0.807	0.299	0.008
Immediate intervention effect ()	56.793	10.934	0.000
Postintervention slope ()	1.698	16.817	0.009
Level effect
1^st year	290	16.542	0.452	36.2
2^nd year	320	11.828	0.015	44
3^rd year	350	10.934	0.000	51

Note: , , .