Table 2. Association between LLIN non-adherence and odds of malaria episode.
Period of assessmenta | Reported LLIN adherenceb | Proportion among cases (%) | Proportion among controls (%) | OR (95% CI)c | p-value |
---|---|---|---|---|---|
1 to 5 weeks prior | At each assessment | 5/22 (22.7%) | 196/458 (42.8%) | reference group | |
Less than always | 17/22 (77.3%) | 262/458 (57.2%) | 3.12 (1.06–9.21) | 0.04 | |
1 to 9 weeks prior | At each assessment | 1/22 (4.6%) | 163/458 (35.6%) | reference group | |
Less than always | 21/22 (95.5%) | 295/458 (64.4%) | 15.0 (1.95–114.9) | 0.009 | |
1 to 13 weeks prior | At each assessment | 0/22 (0%) | 121/458 (26.4%) | reference group | |
Less than always | 22/22 (100%) | 337/458 (73.6%) | Unable to estimate | N/A |
a Relative to date of diagnosis of case (or comparable control).
b Measured every 2 weeks.
c Controlling for mean vector density during period of assessment from room where participant slept.