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