Table 4 Associations between prevalence and outdoor exposure in those aged 15 or over on Bioko in 2013
From: Outdoor biting by Anopheles mosquitoes on Bioko Island does not currently impact on malaria control
Infection prevalence %, (N) | Odds ratio (95% CI) | p -value | Adjusted odds ratio* (95% CI) | p -value | ||
|---|---|---|---|---|---|---|
Individual spent any time outside between the hours of 7 pm and 6 am | No | 17.4 (3100) | 1 | 0.20 | 1 | 0.88 |
Yes | 18.9 (3645) | 1.11 (0.94 – 1.31) | 1.00 (0.84 – 1.18) | |||
Estimated number of outdoor bites received by individual | 0 | 17.2 (3131) | 1 | 0.56 | 1 | 0.41 |
> 0 to < 1 | 17.9 (709) | 1.04 (0.77 – 1.44) | 0.80 (0.60 – 1.08) | |||
≥ 1 to <4 | 18.5 (1519) | 1.09 (0.89 – 1.33) | 0.90 (0.70 – 1.16) | |||
≥ 4 | 19.2 (1107) | 1.15 (0.94 – 1.40) | 0.88 (0.72 – 1.08) | |||
Site level percentage of bites which occur outdoors | < 16% | 17.6 (839) | 1 | 0.54 | 1 | 0.84 |
16% to 18% | 14.8 (974) | 0.80 (0.27 – 2.39) | 0.73 (0.21 – 2.60) | |||
18% to 21% | 17.5 (3521) | 0.98 (0.47 – 2.06) | 0.98 (0.30 – 3.20) | |||
> 21% | 21.5 (1971) | 1.22 (0.62 – 2.40) | 1.07 (0.33 – 3.51) |