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Table 3 Parameter estimates of bivariate and Bayesian spatio-temporal logistic models for A. lumbricoides infection risk in Brazil

From: Spatio-temporal distribution of soil-transmitted helminth infections in Brazil

A. lumbricoides infection Bivariate logistic Spatio-temporal model
  OR (95% CI) OR (95% BCI)
Survey period   
 1995-1999 1.00 1.00
 2000-2004 0.62 (0.56; 0.69)* 0.60 (0.51; 0.70)*
 2005-2009 0.40 (0.34; 0.47)* 0.34 (0.28; 0.40)*
 From 2010 onwards 0.24 (0.19; 0.30)* 0.14 (0.12; 0.17)*
Mean temperature of warmest quarter 1.91 (1.73; 2.12)* 0.98 (0.77; 1.24)
Mean diurnal temperature range 0.55 (0.50; 0.61)* 0.83 (0.73; 0.95)*
Isothermality 1.39 (1.25; 1.55)* 1.01 (0.90; 1.13)
Yearly precipitation 1.44 (1.32; 1.57)* 1.62 (1.43; 1.83)*
Precipitation in driest quarter (mm)   
 <50 1.00 1.00
 50-95 1.04 (0.75; 1.46) 1.56 (1.27; 1.92)*
 ≥95 1.83 (1.34; 2.51)* 1.36 (1.01; 1.84)*
Precipitation seasonality 0.88 (0.79; 0.97)* 0.92 (0.82; 1.02)
Precipitation in warmest quarter 0.53 (0.47; 0.59)* 0.65 (0.55; 0.76)*
Precipitation in coldest quarter (mm)   
 <80 1.00 1.00
 80-300 1.32 (0.98; 1.77) 0.65 (0.52; 0.81)*
 ≥300 4.21 (3.25; 5.45)* 0.92 (0.66; 1.30)
Altitude 0.49 (0.44; 0.55)* 0.82 (0.64; 1.06)
Soil moisture (%)   
 <50 1.00 1.00
 50-80 1.52 (1.21; 1.91)* 1.16 (0.96; 1.40)
 ≥80 0.92 (0.69; 1.22)* 1.01 (0.77; 1.33)
Soil pH   
 <5.35 1.00 1.00
 5.35-5.65 0.70 (0.54; 0.91)* 1.59 (1.36; 1.86)*
 ≥5.65 0.76 (0.59; 0.97)* 0.88 (0.74; 1.06)
Human development index (HDI) 0.62 (0.56; 0.69)* 1.29 (1.12; 1.49)*
Poor households 1.94 (0.68; 2.25) 1.81 (1.52; 2.15)*
   Median (95% BCI)
Temporal autocorrelation   0.03 (-0.02; 0.07)
Spatial variance   5.07 (4.73; 5.31)
Spatial range (km)   30.2 (28.1; 35.2)
  1. With standard error clustered at location level.
  2. *Significant based on 95% CI or BCI.
  3. OR: odds ratio; 95% CI: lower and upper bound of a 95% confidence interval; 95% BCI: lower and upper bound of a 95% Bayesian credible interval.