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. 2020 Jun 25;11:100619. doi: 10.1016/j.ssmph.2020.100619

Table 5.

Covariate balance check and absolute bias reduction, India, 2015–16.

Variable
Mean

t-test
Sample Treated Control % bias % reduction bias t p > t
Age of Mother U 1.7503 1.7559 −0.9 −1.73 0.083
M 1.7503 1.7493 0.2 81.4 0.30 0.763
Level of Education U 1.3304 1.7073 −39.0 −74.49 0.000
M 1.3304 1.3304 0.0 100.0 0.00 0.998
Pregnancy Complication U 0.5557 0.5853 −6.0 −11.41 0.000
M 0.5557 0.5559 0.0 99.3 −0.08 0.937
Religion U 1.2928 1.3922 −15.3 −28.79 0.000
M 1.2928 1.2924 0.1 99.6 0.12 0.904
Caste U 0.6017 0.6859 −17.7 −33.77 0.000
M 0.6017 0.6026 −0.2 99.0 −0.32 0.748
Wealth Quintile U 2.5171 3.3341 −62.3 −118.26 0.000
M 2.5171 2.5174 0.0 100.0 −0.04 0.968
Place of Residence U 1.8087 1.6447 37.4 70.39 0.000
M 1.8087 1.8092 −0.1 99.7 −0.24 0.814
Sex of Head ofHousehold U 1.1176 1.121 −1.0 −1.99 0.047
M 1.1176 1.1167 0.3 70.8 0.55 0.583
Place ofDelivery U 1.0384 1.4747 −115.3 −209.1 0.000
M 1.0834 1.0384 0.0 100.0 0.0 1.000