Table 3 Associations between infection in non-travellers and percentage of site residents who travelled to mainland
From: Infection importation: a key challenge to malaria elimination on Bioko Island, Equatorial Guinea
Year | Age group years | % of site residents who travelled to mainland EG in the previous 8Ā weeks | Prevalence of P. falciparum infection in non-travellers | Odds ratio (95% CI) | p -value | Adjusted odds ratio* (95% CI) | p -value |
|---|---|---|---|---|---|---|---|
% (N) | |||||||
2013 | 2-14 | <3.2% (5 sites) | 10.2 (1,268) | 1 | 0.001 | 1 | 0.004 |
| Ā | Ā | 3.2% to <5% (5 sites) | 28.9 (795) | 2.58 (1.08-6.19) | į | 2.50 (1.01-6.01) | į |
| Ā | Ā | 5 to <9% (4 sites) | 26.5 (1,835) | 3.60 (1.47-8.85) | į | 5.07 (1.88-13.65) | į |
| Ā | Ā | >ā=ā9% (4 sites) | 38.2 (2,261) | 5.71 (2.33-14.01) | į | 7.65 (2.34-24.96) | į |
| Ā | >15 | <1.5% (5 sites) | 7.7 (1,188) | 1 | 0.002 | 1 | 0.010 |
| Ā | Ā | 1.5 to <5% (5 sites) | 18.7 (992) | 2.28 (1.14-4.60) | į | 1.96 (1.04-3.67) | į |
| Ā | Ā | 5 to <10% (4 sites) | 17.9 (2,280) | 2.95 (1.26-4.54) | į | 3.19 (1.60-6.35) | į |
| Ā | Ā | >ā=ā10% (4 sites) | 22.7 (2,845) | 3.84 (1.88-7.83) | į | 3.10 (1.39-6.94) | į |
2014 | 2-14 | <1.5% (5 sites) | 5.1 (942) | 1 | <0.001 | 1 | <0.001 |
| Ā | Ā | 1.5 to <5% (5 sites) | 23.7 (946) | 5.97 (2.56-13.88) | Ā | 5.80 (3.18-10.59) | Ā |
| Ā | Ā | 5 to <10% (4 sites) | 22.0 (2,121) | 7.14 (2.96-12.20) | Ā | 3.98 (2.07-7.66) | Ā |
| Ā | Ā | >ā=ā10% (4 sites) | 18.9 (3,263) | 4.60 (1.92-11.04) | Ā | 5.31 (2.51-11.22) | Ā |
| Ā | >15 | <1.5% (5 sites) | 3.9 (875) | 1 | <0.001 | 1 | <0.001 |
| Ā | Ā | 1.5 to <5% (5 sites) | 14.8 (911) | 4.07 (2.35-7.05) | Ā | 3.41 (2.02-5.76) | Ā |
| Ā | Ā | 5 to <10% (4 sites) | 14.6 (2,094) | 4.06 (2.34-7.07) | Ā | 2.39 (1.38-4.45) | Ā |
| Ā | Ā | >ā=ā10% (4 sites) | 12.3 (3,489) | 3.07 (1.78-5.29) | Ā | 2.45 (1.27-4.38) | Ā |