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Table 4 Impact of time since bednet distribution (years) on mosquito mortality. Results from generalised mixed-effect models examining the impact time since bednet distribution on mosquito mortality

From: Implications of insecticide resistance for malaria vector control with long-lasting insecticidal nets: trends in pyrethroid resistance during a WHO-coordinated multi-country prospective study

Country Odds ratio for change in mortality per year (95% CI) P-value
All countries combineda 1.34 (1.31–1.37) <0.001
Beninb 3.20 (3.02–3.39) <0.001
Cameroonc 0.95 (0.90–0.99) 0.016
Indiac 1.62 (1.52–1.73) <0.001
Kenyab 0.59 (0.56–0.62) <0.001
Sudanc 1.60 (1.53–1.67) <0.001
  1. aAdjusted for country
  2. bAdjusted for district
  3. cAdjusted for district, temperature and humidity
  4. Results are presented in terms of change in mortality of mosquitoes for each year since a mass bednet distribution took place in-country. Odds ratios are adjusted for locality and temperature and humidity where indicated. The results are shown for each country, as well as all countries combined (with country included as a covariate). Cluster was included as a random effect in all models