Skip to main content

Advertisement

Table 4 Difference-in-difference sensitivity analysis.

From: An assessment of the effect of user fee policy reform on facility-based deliveries in rural Zambia

  Home Private Public
Estimate S.E Estimate S.E Estimate S.E
Controls + selective migration
 DID estimator 0.125 0.263 1.575** 0.671 −0.337 0.247
Controls + facility density
 DID estimator 0.120 0.263 1.570** 0.672 −0.333 0.247
Controls + facility density interaction
 DID estimator 0.152 0.312 1.295 0.814 −0.365 0.300
 DID estimator × facility density −0.001 0.004 0.007 0.012 0.001 0.004
Controls + average antenatal interaction
 DID estimator 3.168** 1.303 0.294 3.619 −2.726** 1.224
 DID estimator × average antenatal −1.104** 0.462 0.443 1.239 0.864** 0.433
Controls + ancindex interaction
 DID estimator 0.150 0.267 1.521** 0.679 −0.357 0.251
 DID estimator × ancindex −0.067 0.117 −0.594 0.399 0.055 0.113
Controls + wealth interactions
 DID estimator 0.186 0.297 1.303* 0.790 −0.403 0.283
 DID estimator × middle −0.136 0.267 0.518 0.817 0.145 0.267
 DID estimator × rich 0.273 0.748 0.355 1.122 −0.134 0.576
Controls + first birth
 DID estimator 0.218 0.265 1.652 ** 0.673 −0.436* 0.249
 DID estimator × first birth −0.601* 0.358 −0.951 1.022 0.669* 0.352
Controls (less than secondary education + stable residence)
 DID estimator 0.063 0.258 1.324** 0.621 −0.587 0.359
Placebo reform (with controls)
 DID estimator −0.105 0.336 1.330 0.809 −0.280 0.317
Controls +2 years pre-reform
 DID estimator 0.035 0.257 1.205** 0.613 −0.310 0.257