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Table 8 Parameter estimations and S.E for the models of P, NB, ZIP, ZINB

From: Bayesian count regression analysis for determinants of antenatal care service visits among pregnant women in Amhara regional state, Ethiopia

Parameters P NB ZIP ZINB
Poisson Logit NegBinomal Logit
Estim. (S.E) Estim. (S.E) Estim. (S.E) Estim. (S.E) Estim. (S.E) Estim. (S.E)
Intercept 0.76058*** (0.18592) 1.0383** (0.4298) 1.2842** (0.2059540) − 0.9996** (0.6643) 1.27952** (0.2174236) − 1.0171** (0.6739)
Sign of pregnancy (reference-no)
 Sign1 − 0.4377** (0.15539) − 0.6216** (0.3823) 0.22744** (0.1634150) − 0.8967 (0.5979) − 0.22983** (0.1723128) 0.8985** (0.6052)
Utilization of media (reference-no use of media)
 Media1 − 0.3702*** (0.10100) − 0.405** (0.1860) 0.1195** (0.1126641) − 0.5212 (0.2495) − 0.121061** (0.1172531) 0.5219** (0.2518)
Mothers’ education (reference-no education)
 M.educ1 0.27931*** (0.10757) 0.1077** (0.2229) − 0.1297 (0.1311842) 0.1314** (0.3061) 0.131155* (0.1376872) − 0.1288 (0.3096
Wealth index (reference-poor)
 WI2 0.2419* (0.12278) 0.1775*** (0.2171) 0.00085** (0.1415231) − 0.3718** (0.2914) 0.0009002** (0.1467337) − 0.3731** (0.2943)
 WI3 0.5902*** (0.11172) 0.6099** (0.2151) 0.28494** (0.1284985) − 0.6181** (0.2932) 0.2865452** (0.134157) − 0.6174** (0.2961)
Area of residence (reference-urban)
 Resid2 − 0.368*** (0.09945) − 0.4145** (0.2005) − 0.1652** (0.1112927) 0.4702** (0.2758) − 0.166245** (0.1163618) 0.4707** (0.2787)
 Log-likelihood − 645.4173 − 543.7086 − 508.8491 − 508.6907
 Dispersion 2.6666 0.9009 1.1159 1.0991
  1. * p < 0.05, ** p < 0.01, *** p < 0.001