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.

NodeLevel of covariatesMeanMC errorMedian95% CIStartSample

Contraceptive useYesRef
beta.coNo0.11340.1133(0.06222, 0.1643)100142000
ResidenceUrbanRef
beta.rsRural0.21120.0015640.2107(0.1392, 0.2837)100142000
Age at the first marriageLess than 18Ref
beta.aam [2]18-34-1.385-1.386(-1.434, -1.336)100142000
beta.aam [3]Greater than 34-2.8640.001607-2.853(-3.415, -2.372)100142000
Current workingNoRef
beta.cwYes0.0058980.00596(-0.04255, 0.05403)100142000
Husband education levelNo educationRef
beta.he [2]Primary0.099790.09976(0.04606,0.1549)100142000
beta.he [3]Secondary or above0.11480.1147(0.03888, 0.1893)100142000
Mother education levelNo educationRef
beta.me [2]Primary0.18260.1826(0.1272,0.2382)100142000
beta.me [3]Secondary or above-0.05222-0.0524(-0.1443, 0.03961)100142000
Media exposureNoRef
beta.mxYes-0.1168-0.1168(-0.174,-0.0585)100142000
Sex of household headMaleRef
beta.shhFemale-0.1682-0.1681(-0.2243, -0.1124)100142000
Wealth indexPoorRef
beta.wi [2]Middle-0.05626-0.0563(-0.1243, 0.01043)100142000
beta.wi [3]Rich-0.00962-0.0094(-0.07248, 0.05302)100142000
beta0Constant-17.750.06547-17.99(-18.56, -14.32)100142000
Shape parameter6.0970.0019396.097(6.02, 6.175)100142000
SigmaFrailty0.950.0010350.9988(0.9483, 1.044)100142000

Sd = standard deviation; MC error = Monte Carlo error; Ref = reference; 95% CI =95% confidence interval. Significant.