Table 4. Factors associated with asexual parasitemia.
| Risk factor | Category | Walukuba | Kihihi | Nagongera | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Parasite prevalence | Adjusted OR a (95% CI) | p-value | Parasite prevalence | Adjusted OR a (95% CI) | p-value | Parasite prevalence | Adjusted OR a (95% CI) | p-value | ||
| Age | ≤ 11 years | 46/314 (14.7%) | 1.13 (1.04–1.21) b | 0.002 | 58/362 (16.0%) | 1.10 (1.02–1.18) b | 0.009 | 235/411 (57.2%) | 1.07 (1.01–1.13) b | 0.03 |
| 12–40 years | 25/268 (9.3%) | 0.92 (0.87–0.97) b | 0.001 | 29/320 (9.1%) | 0.89 (0.85–0.94) b | <0.001 | 96/274 (35.0%) | 0.90 (0.87–0.93) b | <0.001 | |
| Gender | Male | 38/259 (14.7%) | 1.0 (reference) | - | 44/305 (14.4%) | 1.0 (reference) | - | 153/290 (52.8%) | 1.0 (reference) | - |
| Female | 33/323 (10.2%) | 0.65 (0.39–1.09) | 0.10 | 43/377 (11.4%) | 0.85 (0.53–1.37) | 0.50 | 178/395 (45.1%) | 0.99 (0.73–1.35) | 0.96 | |
| Slept under a LLTIN the prior evening | No | 40/356 (11.2%) | 1.0 (reference) | - | 68/481 (14.1%) | 1.0 (reference) | - | 183/335 (53.6%) | 1.0 (reference) | - |
| Yes | 31/226 (13.7%) | 1.52 (0.85–2.72) | 0.15 | 19/201 (9.5%) | 0.74 (0.36–1.54) | 0.42 | 148/350 (42.3%) | 0.80 (0.53–1.19) | 0.27 | |
| Wealth index tertiles | Lowest | 24/200 (12.0%) | 1.0 (reference) | - | 22/232 (9.5%) | 1.0 (reference) | - | 102/230 (44.4%) | 1.0 (reference) | - |
| Middle | 28/192 (14.6%) | 1.10 (0.60–2.03) | 0.76 | 34/223 (15.3%) | 1.42 (0.71–2.83) | 0.32 | 128/232 (55.2%) | 1.48 (0.94–2.33) | 0.09 | |
| Highest | 19/190 (10.0%) | 0.60 (0.28–1.25) | 0.17 | 31/227 (13.7%) | 1.12 (0.53–2.38) | 0.77 | 101/223 (45.3%) | 0.89 (0.54–1.48) | 0.66 | |
a Odds ratio controlling for repeated measures in the same household
b Odds ratio expressed per 1 year increase in age