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Table 3 Fitted parameters in Bayesian multivariate models for P. falciparum and P. vivax among school children in Oromia Regional State, Ethiopia in 2009, with and without spatial components

From: School-based surveys of malaria in Oromia Regional State, Ethiopia: a rapid survey method for malaria in low transmission settings

  Non-spatial model Spatial model
  Parameter 95% BCI Parameter 95% BCI
P. falciparum
   Without covariates
   σ2school 13.09 5.78-25.4 10.0 2.27-25.0
   Range of spatial correlation (km) - - 271 132-794
   DIC (model fit) 120.1 - 113.0 -
   With covariates
   LST: bi-annual phase OR: 2.11 1.17-4.19 OR: 2.03 0.96-4.00
   σ2school 11.21 5.32-22.4 8.43 2.89-23.9
   Range of spatial correlation (km) - - 244 119-758
   DIC (model fit) 121.4 - 113.4 -
P. vivax
   Without covariates
   σ2school 6.31 2.96-13.17 7.03 2.30-19.95
   Range of spatial correlation (km) - - 321 154-927
   DIC (model fit) 162.3 - 145.5 -
   With covariates
   EVI: bi-annual amplitude OR: 1.93 0.91-4.25 OR: 2.06 0.74-4.92
   LST: tri-annual phase OR: 2.02 0.86-4.26 OR: 1.34 0.44-3.36
   σ2school 6.09 2.98-11.7 8.10 2.32-29.9
   Range of spatial correlation (km) - - 355 162-1,589
   DIC (model fit) 159.8 - 146.3 -
  1. OR, odds ratio; 95% BCI, Bayesian credible interval; σ2school is the variance of RE; the range of spatial correlation is the distance at which correlation between sites <5%; DIC is deviance information criterion, a measure of model fit where lower values indicate better fit