Estimating the impact of birth interval on under-five mortality in east african countries: a propensity score matching analysis

Table 5 Performance of the propensity score matching: quality measurements

Variable	Sample	Mean		% bias	% Bias reduction	t-statistic	p-value
Variable	Sample	Treated	Control	% bias	% Bias reduction	t-statistic	p-value
Residence	Unmatched	0.82	0.76	15.7		25.12	< 0.001
Residence	Matched	0.82	0.82	-0.2	98.6	-0.35	0.726
Media exposure	Unmatched	0.60	0.64	-9.2		-14.84	< 0.001
Media exposure	Matched	0.60	0.60	-0.0	99.8	-0.03	0.979
Marital status	Unmatched	0.75	0.73	5.3		8.51	< 0.001
Marital status	Matched	0.75	0.75	0.0	99.3	0.06	0.952
Sex of household head	Unmatched	0.20	0.26	-12.4		-19.87	< 0.001
Sex of household head	Matched	0.20	0.20	0.1	99.2	0.15	0.877
Birth order	Unmatched	0.55	0.53	4.5		7.31	< 0.001
Birth order	Matched	0.55	0.55	0.0	99.3	0.05	0.963
Household wealth status	Unmatched	2.50	2.86	-25.0		-40.23	< 0.001
Household wealth status	Matched	2.50	2.50	0	99.8	0.07	0.947
Maternal education status	Unmatched	0.84	0.98	-18.7		-30.13	< 0.001
Maternal education status	Matched	0.84	0.84	0.2	99.1	0.26	0.796
Maternal age	Unmatched	1.01	1.21	-30.2		-48.97	< 0.001
Maternal age	Matched	1.01	1.01	-0.0	99.9	-0.05	0.962

ISSN: 2049-3258