Table 9. DID Estimates of the Additional Effects of PBF2-PBF4 Compared With PBF1 on the Utilization of Maternal Health Services .

Outcome variable	PBF2 vs. PBF1		PBF3 vs. PBF1		PBF4 vs. PBF1
	Full Sample
	Beta	Robust Standard Error	Beta	Robust Standard Error	Beta	Robust Standard Error
ANC 1sttrimester	-0.036	0.028	-0.007	0.030	-0.064	0.049
ANC4+a visits	-0.026	0.036	-0.018	0.033	-0.031	0.063
TTV2+b	-0.068*	0.038	0.054	0.036	0.131**	0.053
HIV testing in pregnancy	0.030	0.039	-0.012	0.036	0.007	0.066
Iron supplementation	-0.010	0.013	0.000	0.012	0.062**	0.023
Facility-based delivery	-0.033	0.021	-0.038*	0.022	0.008	0.049
PNC1+c visit	0.012	0.036	-0.067*	0.035	-0.016	0.053
PNC3+d visits	0.018	0.021	-0.010	0.020	-0.022	0.028
Modern family planning methods	-0.021	0.024	-0.011	0.025	-0.031	0.043

Abbreviations: TTV, tetanus toxoid vaccine; PNC, postnatal care; DID, difference-in-differences; PBF, performance-based financing; ANC, antenatal care.

^aAt least 4 antenatal care; ^bAt least 2 tetanus doses during pregnancy; ^cAt least one postnatal care visit within 6 weeks; ^dAt least 3 postnatal care visits within 6 weeks.* P < .1, ** P < .05.