Table 1 Effectiveness of nets
Area | Reported use of net the previous night | Malaria prevalence in children aged 6 months to 10 years, % (n/N) | Odds ratio (95% CI) | Adjusted odds ratioa (95% CI) |
|---|---|---|---|---|
All clusters | No | 54.1% (211/390) | 1 | 1 |
Yes | 50.8% (625/1231) | 0.76 (0.59, 0.98), p = 0.033 | 0.77 (0.60, 1.00), p = 0.053 | |
Lower resistance to deltamethrin (mosquito mortality >55.2%) | No | 52.2% (107/205) | 1 | 1 |
Yes | 49.6% (306/617) | 0.82 (0.58, 1.17), p = 0.282 | 0.85 (0.59, 1.22), p = 0.381 | |
Higher resistance to deltamethrin (mosquito mortality <55.2%) | No | 56.2% (104/185) | 1 | 1 |
Yes | 52.0% (319/614) | 0.69 (0.48, 1.00), p = 0.052 | 0.70 (0.48, 1.02), p = 0.061 | |
Interaction parameter for the difference in net effectiveness between higher and lower resistance clusters | 0.84 (0.51, 1.41) p = 0.513 | 0.82 (0.49, 1.38) p = 0.457 | ||
Lower resistance to permethrin (mosquito mortality >18.2%) | No | 60.1% (113/118) | 1 | 1 |
Yes | 51.4% (304/592) | 0.73 (0.51, 1.04), p = 0.082 | 0.75 (0.52, 1.07), p = 0.115 | |
Higher resistance to permethrin (mosquito mortality <18.2%) | No | 49.5% (95/196) | 1 | 1 |
Yes | 51.6% (292/566) | 0.84 (0.58, 1.20), p = 0.335 | 0.86 (0.59, 1.24), p = 0.416 | |
Interaction parameter for the difference in net effectiveness between higher and lower resistance clusters | 1.15 (0.69, 1.92) p = 0.595 | 1.15 (0.68. 1.94) p = 0.600 | ||