Table 4. Spatial effects for intensity of S. haematobium and hookworm infections in Ghana, 2008.
Variable | Schistosoma haematobiumPosterior mean(95% BCI) | HookwormPosterior mean(95% BCI) |
Male (versus female) | 0.08 (0.06, 0.09) | 0.46 (0.33, 0.60) |
Age 10–14 y (versus 5–9 y) | 0.41 (0.39, 0.44) | 0.76 (0.54,1.00) |
Age 15–19 y (versus 5–9 y) | 0.13 (0.10, 0.16) | 1.10 (0.84, 1.37) |
Distance to PIWB* | −0.48 (−0.68, −0.28) | −0.45 (−0.88, 0.08) |
Land surface temperature* | 0.26 (0.12, 0.47) | −0.11 (−0.57, 0.33) |
Mean zero dispersion | 0.83 (0.82, 0.84) | 0.96 (0.96, 0.97) |
Intercept | 2.68 (2.48, 2.94) | −0.09 (−0.55, 0.30) |
ϕ (rate of decay of spatial correlation) | 21.23 (5.36,61.80) | 56.56 (13.19, 140.90) |
σ 2 (variance of spatial random effect) | 3.47 (2.60, 4.63) | 1.52 (0.98, 2.26) |
*Variables were standardized to have mean = 0 and standard deviation = 1; BCI = Bayesian credible interval; PIWB = perennial inland water body.