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Table 2 Model table for An. funestus mortality in WHO susceptibility tests when exposed to deltamethrin, permethrin, bendiocarb, propoxur or DDT

From: Increasing insecticide resistance in Anopheles funestus and Anopheles arabiensis in Malawi, 2011–2015

Parameter Level Risk ratio Lower CL Upper CL Z Prob (Z)
Deltamethrin
Intercept   1.058 0.817 1.369 0.426 0.670
Year   0.549 0.458 0.657 −6.538 <0.001
Cumulative IRS   1.380 0.994 1.917 1.925 0.054
Net ownership 1 = High 1.272 0.737 2.195 0.864 0.388
 Previous year 2 = Low Ref. Ref. Ref.   
Permethrin
Intercept   3.267 2.456 4.347 8.127 <0.001
Year   0.541 0.466 0.628 −8.086 <0.001
Cumulative IRS   1.122 0.836 1.506 0.769 0.442
Net ownership 1 = High 0.754 0.487 1.169 −1.261 0.207
 Previous year 2 = Low Ref. Ref. Ref.   
Bendiocarb
Intercept   2.429 1.346 4.382 2.946 0.003
Year   0.410 0.327 0.514 −7.736 <0.001
Cumulative IRS   1.202 0.929 1.555 1.396 0.163
Net ownership 1 = High 1.680 0.862 3.275 1.524 0.128
 Previous year 2 = Low Ref. Ref. Ref.   
Propoxur
Intercept   51.025 12.451 209.101 5.464 <0.001
Year   0.102 0.042 0.245 −5.106 <0.001
Cumulative IRS   0.982 0.299 3.225 −0.030 0.976
Net ownership 1 = High 0.509 0.088 2.955 −0.753 0.452
 Previous year 2 = Low Ref. Ref. Ref.   
DDT
Intercept   23.061 6.447 82.487 4.826 <0.001
Year   0.885 0.618 1.265 −0.671 0.502
Cumulative IRS   0.601 0.219 1.652 −0.987 0.324
Net ownership 1 = High 0.163 0.039 0.692 −2.461 0.014
 Previous year 2 = Low Ref. Ref. Ref.   
  1. The probability that an individual mosquito died was modeled in a logistic regression using generalized estimating equations and adjusting for repeated measures within the same exposure tube