Table 4 Analysis of variation in mosquito mortality for two carbamates after controlling for pH of mixing water, type of wall and time
Parameter | Mortality rate ratio | Z | 95Â % CI | |
|---|---|---|---|---|
Min | Max | |||
Wall type | ||||
 Mud | comparator | – | – | – |
 Dung | 0.5961 | 3.4105** | 0.2536 | 0.9387 |
Water pH | Â | Â | Â | Â |
 High pH | comparator | – | – |  |
 Low pH | -0.0475 | -0.2689 | -0.3934 | 0.2985 |
Insecticide | Â | Â | Â | Â |
 Bendiocarb | comparator | – | – |  |
 Propoxur | 0.5570 | 4.4372* | 0.3109 | 0.8030 |
Time | Â | Â | Â | Â |
 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 |