TABLE 8.
Parameter estimates from Bayesian formulation of the Hui-Walter latent class model based on 20,000 iterations after convergence model 3a
Parameter | Mean | SD | 2.5% BCI | 97.5% BCI |
---|---|---|---|---|
covDn | 0.013 | 0.0182 | −0.0168 | 0.0533 |
covDp | 0.015 | 0.0168 | −0.0077 | 0.0543 |
p coastal | 0.833 | 0.0604 | 0.705 | 0.943 |
p central | 0.948 | 0.0386 | 0.852 | 0.008 |
p border | 0.692 | 0.0518 | 0.591 | 0.792 |
Se Cedi test | 0.852 | 0.0426 | 0.773 | 0.942 |
Se VNT | 0.911 | 0.0266 | 0.852 | 0.956 |
Sp Cedi test | 0.941 | 0.0232 | 0.888 | 0.978 |
Sp VNT | 0.753 | 0.1041 | 0.560 | 0.969 |
Model 3 assumptions include dependence between tests with informative priors for the Cedi test based on 20,000 iterations (DIC = 57.64). BCI, Bayesian credible interval.