Table 3.
Population Attributable Fraction of positive rapid test result for malaria associated with environmental risk factors
| Covariates | Population Attributable fraction | 95% CI |
|---|---|---|
| Tribe | ||
| Tripura (reference) | ||
| Bengali | 14.5% | -0.6% - 27.3% |
| Marma | 23.8% | 1.1% -41.2% |
| Other | 7.3% | -4.6% - 17.8% |
| Altitude (meter) | ||
| ≤ 50 (Reference) | ||
| 51 - 100 | 11.2% | -1.9% - 22.6% |
| > 100 | 9.3% | 3.4% - 14.3% |
| Household density | ||
| 1 - 200 (Reference) | ||
| 201 - 500 | 6.5% | -2.7% - 14.9% |
| 501 - 1000 | 4.4% | 0.2% - 8.3% |
| > 1000 | 19.9% | 8.6% -29.9% |
| Forest density | ||
| 1st Tertile (n = 466) (Reference) | ||
| 2nd Tertile (n = 467) | 17.6% | 7.8% - 26.3% |
| 3rd Tertile (n = 467) | 47.7% | 36.1% - 57.2% |
*estimated using the adjusted odds ratio