Variable | Categories | Parasitaemia n (%) | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|---|---|
RR (95% CI) | p-value | aRRa (95% CI) | p-value | |||
Wealth index categories | Least poor | 179 (73.4) | Reference | – | Reference | – |
Middle | 215 (85.3) | 1.16 (1.06–1.27) | 0.001 | 1.07 (0.98–1.16) | 0.16 | |
Poorest | 222 (86.4) | 1.18 (1.08–1.29) | < 0.001 | 1.09 (0.99–1.19) | 0.07 | |
Type of house constructionb | Modern | 111 (64.5) | Reference | – | Reference | – |
Traditional | 505 (86.9) | 1.35 (1.20–1.51) | < 0.001 | 1.29 (1.15–1.45) | < 0.001 | |
Whether airbricks were present | Present | 147 (70.3) | Reference | – | Reference | – |
Not present | 469 (86.2) | 1.23 (1.12–1.35) | < 0.001 | 0.96 (0.85–1.08) | 0.49 | |
Number of windows present | ≥ 2 windows | 114 (79.2) | Reference | – | Reference | – |
1 window | 360 (80.5) | 1.02 (0.92–1.12) | 0.73 | 0.96 (0.87–1.05) | 0.35 | |
No windows | 142 (87.7) | 1.11 (1.00–1.23) | 0.05 | 0.98 (0.88–1.08) | 0.65 | |
Level of education | O level or beyond | 134 (72.0) | Reference | – | Reference | – |
None or primary | 482 (85.0) | 1.18 (1.07–1.30) | 0.001 | 1.13 (1.02–1.24) | 0.02 | |
Bed net ownership before enrolment | LLIN | 472 (81.5) | Reference | – | Reference | – |
Untreated | 88 (80.7) | 0.99 (0.90–1.09) | 0.85 | 0.96 (0.87–1.06) | 0.45 | |
No bed net | 56 (86.2) | 1.06 (0.95–1.17) | 0.30 | 1.01 (0.91–1.12) | 0.87 | |
Categories of gravidity | Multigravida | 304 (79.6) | Reference | – | Reference | – |
Secundigravida | 150 (80.2) | 1.01 (0.92–1.10) | 0.86 | 1.02 (0.94–1.11) | 0.61 | |
Primigravida | 162 (88.0) | 1.11 (1.03–1.19) | 0.007 | 1.10 (1.02–1.18) | 0.009 |