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Table 4 Parameter estimates and validation measures of Bayesian geostatistical models for hookworm, A. lumbricoides and T. trichiura infection risks in Côte d’Ivoire, late 2011/early 2012

From: Bayesian risk profiling of soil-transmitted helminth infections and estimates of preventive chemotherapy for school-aged children in Côte d'Ivoire

Hookworm OR (95 % BCI)
Setting  
 Rural 1.0
 Urban 0.3 (0.2, 0.5)a
  Median (95 % BCI)
Variance 1.1 (0.5, 6.3)
Spatial range (km) 217.6 (94.4, 585.1)
  Model validation measuresb
Mean error (ME) (%) 0.3
Sum standard deviation (SD) (%) 2.2
A. lumbricoides OR (95 % BCI)
Soil acidity (pH)  
 < 5.2 1.0
 5.2–5.4 0.3 (0.1, 0.9)a
 ≥ 5.4 0.1 (0.0, 0.4)a
Soil moisture 2.4 (1.4, 4.0)a
  Median (95 % BCI)
Variance 1.5 (0.6, 3.8)
Spatial range (km) 75.8 (6.3, 429.2)
  Model validation measuresb
Mean error (ME) (%) −2.1
Sum standard deviation (SD) (%) 1.0
T. trichiura OR (95 % BCI)
Rainfall coefficient of variation (CV) 2.0 (1.3, 3.2)a
  Median (95 % BCI)
Variance 2.3 (1.0, 5.0)
Spatial range (km) 20.5 (5.9, 80.5)
  Model validation measuresb
Mean error (ME) (%) −0.2
Sum standard deviation (SD) (%) 0.6
  1. aSignificant based on 95 % BCI
  2. bAssessed by fitting the model on a subsample of the data (80 %)