Table 4. The estimated relative risks of the worm burden of Ascaris lumbricoides for household variables.
| Variable | Category | Relative risk* (95% BCI†) |
| No. sleepers per household | ||
| 2-4 | 1‡ | |
| 5-6 | 1.15 (0.91, 1.42) | |
| 7+ | 1.04 (0.80, 1.33) | |
| No. children per household | ||
| 0 | 1‡ | |
| 1-2 | 1.10 (0.78, 1.51) | |
| 3-4 | 1.19 (0.80, 1.67) | |
| 5+ | 1.38 (0.89, 2.04) | |
| No. rooms per household | ||
| 1 | 1‡ | |
| 2+ | 0.88 (0.73, 1.06) | |
| Floor construction of house | ||
| Cement | 1‡ | |
| Earth | 1.44 (1.20, 1.70) | |
| Household source of water for washing plates | ||
| Own well/tube well | 1‡ | |
| Common well/tube well | 1.31 (0.87, 1.92) | |
| Own tap | 1.33 (0.89, 1.91) | |
| Common tap | 1.43 (1.01, 1.98) | |
| Household latrine facility | ||
| Own latrine | 1‡ | |
| Shared latrine | 1.04 (0.84, 1.26) | |
| None | 1.32 (1.08, 1.59) | |
| Ethnicity of household x Rent paid per household | ||
| Bangladeshi, no rent | 1‡ | |
| Bihari, no rent | 1.97 (1.55, 2.33) | |
| Mixed, no rent | 1.74 (1.00, 2.81) | |
| Bangladeshi, paying rent | 0.76 (0.57, 1.00) | |
| Bihari, paying rent | 1.44 (1.05, 1.92) | |
| Mixed, paying rent | 0.50 (0.14,1.28) | |
*Estimates were derived from the fit of the “full” model (Model 1, see Table 3).
†: Bayesian credible interval.
‡: Baseline relative risk is by definition equal to 1.