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Table 4 Analysis of variation in mosquito mortality for two carbamates after controlling for pH of mixing water, type of wall and time

From: Short persistence of bendiocarb sprayed on pervious walls and its implication for the indoor residual spray program in Ethiopia

Parameter Mortality rate ratio Z 95 % CI
Min Max
Wall type
 Mud comparator
 Dung 0.5961 3.4105** 0.2536 0.9387
Water pH     
 High pH comparator  
 Low pH -0.0475 -0.2689 -0.3934 0.2985
Insecticide     
 Bendiocarb comparator  
 Propoxur 0.5570 4.4372* 0.3109 0.8030
Time     
 24 h comparator
 Month 1 -0.0706 -0.3273 -0.4937 0.3524
 Month 2 -0.5073 -2.2975* -0.9401 -0.0745
 Month 3 -0.4221 -1.9242 -0.8520 0.0079
 Month 4 -1.5515 -6.4681** -2.0216 -1.0813
 Month 5 -1.2590 -5.4205** -1.7142 -0.8038
 Month 6 -1.2862 -5.5408** -1.7411 -0.8312
  1. *P < 0.05; **P < 0.01; z test statistic; 95 %CI 95 confidence interval; Min minimum; Max maximum