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Table 3 Odds ratios analysis of P. falciparum infection in relation to reported usage of antimalarial treatment and prevention measures

From: Longitudinal estimation of Plasmodium falciparum prevalence in relation to malaria prevention measures in six sub-Saharan African countries

  Odds ratio (95% confidence interval)
Survey 1 Survey 2 Survey 3 Survey 4
Malaria treatment in past 14 days (yes vs. no) 0.52 (0.0–0.68) 0.52 (0.38–0.69) 0.68 (0.52–0.89) 0.41 (0.24–0.70)
Slept under bed net night before (yes vs. no) 0.63 (0.56–0.71) 0.68 (0.60–0.78) 1.03 (0.89–1.20) 1.78 (1.44–2.20)
Use of at least one of the following over 7 days: mosquito coils—insecticide spray—commercial or traditional repellents 0.44 (0.36–0.54) 0.60 (0.49–0.74) 0.54 (0.44–0.67) 0.25 (0.19–0.33)
IRS in past 12 monthsa (yes vs. no) 0.58 (0.33–0.99) 0.31 (0.07–1.31) 0.80 (0.18–3.65) 1.18 (0.22–6.45)
Insecticide spray use in past 7 days (yes vs. no) 0.39 (0.24–0.64) 0.43 (0.23–0.80) 0.57 (0.31–1.04) 0.49 (0.17–0.90)
  1. IRS indoor residual spray
  2. aTo spray interior walls