Table 1.
Estimated parameters of the fitted hierarchical Bayesian models for the human and the animal risk of snakebite in the Terai.
| Mean | SD | Mode | Odds | Odds 90% CI | ||
|---|---|---|---|---|---|---|
| LL | UL | |||||
| Human model | ||||||
| (Intercept) | − 2.21 | 0.71 | − 2.20 | 0.11 | 0.03 | 0.35 |
| Food storage | 1.02 | 0.39 | 0.97 | 2.78 | 1.50 | 5.43 |
| Straw storage | 0.58 | 0.21 | 0.57 | 1.78 | 1.26 | 2.53 |
| Sleeping on the floor | − 0.77 | 0.43 | − 0.71 | 0.46 | 0.22 | 0.91 |
| PPI/100 | 4.16 | 0.61 | 4.18 | 63.88 | 22.98 | 172.13 |
| NDVI | − 1.43 | 0.79 | − 1.41 | 0.24 | 0.06 | 0.87 |
| Distance to Water (km) | 0.32 | 0.18 | 0.32 | 1.38 | 1.02 | 1.85 |
| Range for SPDE (ρ) | 31.57 | 11.69 | 26.09 | |||
| SD for SPDE (σ) | 0.97 | 0.16 | 0.94 | |||
| Animal model | ||||||
| (Intercept) | − 5.38 | 0.91 | − 5.36 | 0 | 0 | 0.02 |
| Animal shed | 1.84 | 0.58 | 1.71 | 6.28 | 2.60 | 17.36 |
| Straw storage | 0.50 | 0.28 | 0.48 | 1.64 | 1.04 | 2.65 |
| HMTS | − 2.01 | 1.53 | − 1.97 | 0.13 | 0.01 | 1.61 |
| BIO6/10 | 3.15 | 1.62 | 3.09 | 23.41 | 1.68 | 348.09 |
| Pig density/1000 | 0.82 | 0.44 | 0.87 | 2.27 | 1.07 | 4.52 |
| Sheep density/1000 | 2.09 | 0.78 | 2.11 | 8.06 | 2.21 | 28.35 |
| Range for SPDE (ρ) | 432.44 | 366.35 | 208.49 | |||
| SD for SPDE (σ) | 0.77 | 0.35 | 0.59 | |||
Reported statistics are the posterior marginal mean, standard deviation and mode (logit scale), as well as the corresponding mean, 90% lower- and upper-limit credible interval (odds scale). The bottom rows in each model report the spatial random effects hyperparameters. Other abbreviations: Human modification of terrestrial systems (HMTS), minimum temperature of the coldest month (BIO6), Stochastic Partial Differential Equations (SPDE).