Research Article
Bayesian Shared Frailty Models for Time to First Birth of Married Women in Ethiopia: Using EDHS 2016
Table 6
Posterior summary for Bayesian Weibull-gamma shared frailty model parameter estimates.
| Node | Level of covariates | Mean | MC error | Median | 95% CI | Start | Sample |
| Contraceptive use | Yes | Ref | | | | | | beta.co | No | 0.1134 | | 0.1133 | (0.06222, 0.1643) | 1001 | 42000 | Residence | Urban | Ref | | | | | | beta.rs | Rural | 0.2112 | 0.001564 | 0.2107 | (0.1392, 0.2837) | 1001 | 42000 | Age at the first marriage | Less than 18 | Ref | | | | | | beta.aam [2] | 18-34 | -1.385 | | -1.386 | (-1.434, -1.336) | 1001 | 42000 | beta.aam [3] | Greater than 34 | -2.864 | 0.001607 | -2.853 | (-3.415, -2.372) | 1001 | 42000 | Current working | No | Ref | | | | | | beta.cw | Yes | 0.005898 | | 0.00596 | (-0.04255, 0.05403) | 1001 | 42000 | Husband education level | No education | Ref | | | | | | beta.he [2] | Primary | 0.09979 | | 0.09976 | (0.04606,0.1549) | 1001 | 42000 | beta.he [3] | Secondary or above | 0.1148 | | 0.1147 | (0.03888, 0.1893) | 1001 | 42000 | Mother education level | No education | Ref | | | | | | beta.me [2] | Primary | 0.1826 | | 0.1826 | (0.1272,0.2382) | 1001 | 42000 | beta.me [3] | Secondary or above | -0.05222 | | -0.0524 | (-0.1443, 0.03961) | 1001 | 42000 | Media exposure | No | Ref | | | | | | beta.mx | Yes | -0.1168 | | -0.1168 | (-0.174,-0.0585) | 1001 | 42000 | Sex of household head | Male | Ref | | | | | | beta.shh | Female | -0.1682 | | -0.1681 | (-0.2243, -0.1124) | 1001 | 42000 | Wealth index | Poor | Ref | | | | | | beta.wi [2] | Middle | -0.05626 | | -0.0563 | (-0.1243, 0.01043) | 1001 | 42000 | beta.wi [3] | Rich | -0.00962 | | -0.0094 | (-0.07248, 0.05302) | 1001 | 42000 | beta0 | Constant | -17.75 | 0.06547 | -17.99 | (-18.56, -14.32) | 1001 | 42000 | | Shape parameter | 6.097 | 0.001939 | 6.097 | (6.02, 6.175) | 1001 | 42000 | Sigma | Frailty | 0.95 | 0.001035 | 0.9988 | (0.9483, 1.044) | 1001 | 42000 |
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Sd = standard deviation; MC error = Monte Carlo error; Ref = reference; 95% CI =95% confidence interval. Significant. |