Characteristics | Part 1 Paying informally with money, yes/no Yes = 1 (Probit) | Part 2 Amount paid informally GLM | |||
---|---|---|---|---|---|
Variables | Coef (SE) | p-value | Marginal effects (SE) | Coef(SE) | p-value |
Sex, female | −0.14(0.10) | 0.185 | −0.01(0.18) | − 0.57 (0.29) | 0.052 |
Adult, yes | −0.88(0.15) | 0.000 | −0.14(0) | 1.25 (1.05) | 0.236 |
Residence (ref: country’s capital, Tehran) | |||||
 Other city | 0.26(0.11) | 0.015 | 0.03(0.01) | 0.06 (0.29) | 0.827 |
 Village | −0.29(0.25) | 0.228 | −0.03(0.19) | 0.22(0.63) | 0.722 |
 Insured, yes | 0.75(0.25) | 0.003 | 0.06(0) | 4.76(0.40) | 0.000 |
 Hospital stay, days | −0(0) | 0.001 | −0(0.86) | − 0(0) | 0.000 |
Hospital type (ref: public) | |||||
 Private | 0.38(0.13) | 0.003 | 0.05(0.01) | −1.13(0.48) | 0.018 |
 Social | −0.7(0.21) | 0.001 | −0.06(0) | −2.78(1.24) | 0.025 |
Hospital service (ref: surgery) | |||||
 Medical treatment | 0.87(0.15) | 0.000 | 0.09(0) | 1.11(1.02) | 0.277 |
 Diagnostic measures | 0.80(0.19) | 0.000 | 0.08(0) | 1.49(1.11) | 0.182 |
 Caesarean Section | 0.43(0.55) | 0.434 | 0.04(0.5) | −5.290.98) | 0.000 |
 Other | 1.47(0.2) | 0.000 | 0.20(0) | 0.50(0.97) | 0.603 |
 Household size | 0.01(0.02) | 0.638 | 0(0.64) | − 0.15(0.05) | 0.002 |
 Household income, monthly | 0(0) | 0.000 | 0(0) | 0(0) | 0.183 |
 Household head, age | −0.03(0) | 0.000 | −0(0) | 0(0) | 0.735 |
Household head, an education level (ref: primary) | |||||
 High school | −0.60(0.14) | 0.000 | −0.06(0) | 0.92 | 0.023 |
 College | −0.04(0.13) | 0.740 | −0(0.74) | 0.11 | 0.698 |
N of respondents | 2027 | Â | Â | 310 | Â |
 | Prob>chi2 = 0.0000 |  |  | AIC = 30.10 |  |
 | Pseudo R2 = 0.5318 |  |  | BIC = -120.06 |  |