Table 4 Assessment of risk factors for asymptomatic malaria infection
Predictive factors | Category | PCR positive [n (%)] | Univariate | P value1 | Multivariate | P value2 |
|---|---|---|---|---|---|---|
OR (95% CI) | AOR (95% CI) | |||||
Individual level | ||||||
Gender | Male | 153 (30.7) | 1.73 (1.37, 2.20) | < 0.001 | 1.51 (1.16, 1.97) | 0.002 |
Female | 240 (20.3) | 1 | 1 | |||
Age groups (years) | ≤ 15 | 135 (33.3) | 1.96 (1.53, 2.51) | < 0.001 | 1.49 (1.13, 1.96) | 0.004 |
> 15 | 258 (20.3) | 1 | 1 | |||
Bed net use | No | 326 (35.6) | 5.73 (4.31, 7.62) | < 0.001 | 5.49 (4.12, 7.32) | < 0.001 |
Yes | 67 (87.8) | 1 | 1 | |||
Household level | ||||||
Major material of house | Wood/bamboo | 371 (37.0) | 1.55 (0.96, 2.48) | 0.072 | 1.90 (1.15, 3.14) | 0.012 |
Brick | 22 (30.1) | 1 | 1 | |||
Use of IRS | No | 337 (48.5) | 3.44 (2.54, 4.66) | < 0.001 | 3.40 (2.50, 4.65) | < 0.001 |
Yes | 56 (14.7) | 1 | 1 | |||
Elevation of house (m) | ≤ 312 | 250 (45.0) | 1.82 (1.45, 2.30) | < 0.001 | 1.11 (0.83, 1.49) | 0.490 |
> 312 | 143 (27.5) | 1 | 1 | |||
Distance to the nearest clinic (m) | > 180 | 257 (54.9) | 2.49 (1.97, 3.15) | < 0.001 | 2.05 (1.53, 2.75) | < 0.001 |
≤ 180 | 136 (22.4) | 1 | 1 | |||
Distance to the nearest road (m) | ≤ 15 | 277 (48.2) | 1.55 (1.22, 1.98) | < 0.001 | 1.20 (0.92, 1.57) | 0.189 |
> 15 | 116 (23.2) | 1 | 1 | |||