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Table 3 Changes in the number (%) of infested containers in intervention schools and control schools

From: Effectiveness of a novel long-lasting pyriproxyfen larvicide (SumiLarv®2MR) against Aedes mosquitoes in schools in Yangon, Myanmar

Survey point Control schools Intervention schools
  n Infested (%) Odds ratio (95% CI) n Infested (%) Odds ratio (95% CI)
Novembera 115 19 (16.5) 1 92 33 (35.9) 1
December 115 19 (16.5) 1 (0.47–2.22) 92 13 (14.1) 0.28 (0.11–0.65)*
January 115 10 (8.7) 0.45 (0.18–1.03) 92 10 (10.9) 0.21 (0.08–0.52)*
March 115 12 (10.4) 0.56 (0.24–1.24) 92 5 (5.4) 0.10 (0.03–0.27)*
May 115 8 (7.0) 0.34 (0.13–0.83)* 92 5 (5.4) 0.10 (0.03–0.27)*
  1. *P < 0.05; significant difference when compared with the baseline proportion of November
  2. aBefore the intervention (baseline)