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Table 4 Lymphatic filariasis antigenemia risk factors as identified from single infection bivariate non-spatial and Bayesian multivariate exchangeable and geostatistical models (N = 17,533)

From: Bayesian geostatistical modelling of malaria and lymphatic filariasis infections in Uganda: predictors of risk and geographical patterns of co-endemicity

Covariates Bivariate logistic regression model (non-spatial)
OR 95% CI
Bayesian logistic regression model (exchangeable)
OR 95% BCI*
Bayesian geostatistical model (spatial)
OR 95% BCI*
Age group (5 - 9 yrs) 1.00 1.00 1.00
   10 - 14 yrs 2.04 (1.65, 2.55) 2.11 (1.69, 2.61) 2.13 (1.70, 2.64)
   15 - 19 yrs 2.47 (1.88, 3.25) 2.53 (1.90, 3.31) 2.54 (1.91, 3.31)
Season (dry) 1.00 1.00 1.00
   Wet 3.86 (0.66 - 22.4) 4.24 (0.55, 13.65) 3.38 (0.99, 7.94)
NDVI (dry season) 0.93 (0.87, 0.99) 0.91 (0.89, 0.94) 0.90 (0.86, 0.93)
Precipitation (annual) 1.04 (1.00, 1.09) 1.06 (1.02, 1.09) 1.06 (1.03, 1.09)
LST (day, dry) 1.48 (1.17, 1.86) 1.13 (0.95, 1.36) 1.20 (0.90, 1.22)
LST (night, dry) 2.56 (1.55, 4.25) 1.42 (0.95, 2.01) 1.22 (0.83, 1.79)
Altitude (< 1.050 m)    
   1.050 - 1.150 0.26 (0.04, 1.71) 0.66 (0.06, 2.81) 0.15 (0.01, 0.71)
   1.150-1.250 0.06 (0.01, 0.49) 0.17 (0.01, 0.84) 0.28 (0.02, 1.82)
   > 1.250 0.01 (0.00, 0.14) 0.15 (0.03, 0.76) 0.21 (0.02, 0.93)
   Mean (95% BCI) Mean (95% BCI)
τ2 (non-spatial variance) - 0.15 (0.08, 0.26) -
σ (spatial variance) - - 4.34 (2.25, 8.80)
Range (in km) - - 2.98 (1.78, 4.29)
  1. Results are presented as odds ratios (OR) with their respective confidence intervals (95% CI) or Bayesian credible intervals (95% BCI); NDVI, normalized difference vegetation index; LST, land surface temperature. Range indicates the distance at which spatial correlation is lower than 5%.