Table 3.
ORs from models estimating household participation (receipt of insecticide treatment) during Cycle 2 of Chagas disease vector control campaign, Arequipa, Peru, 2015, by treatment arm and analytic sample
| Outcome: household treated, Cycle 2 | Intent-to-treat aOR (95% CI) | Per protocol aOR(95% CI) |
| Study arm (ref: control) | ||
| Advanced planning | 1.07 (0.87 to 1.32) | 1.15 (0.78 to 1.69) |
| Block leader recruitment | 0.95 (0.78 to 1.15) | 0.99 (0.72 to 1.37) |
| Contingent group lottery | 1.12 (0.89 to 1.39) | 1.04 (0.76 to 1.42) |
| Cycle 1 household status (ref: closed) | ||
| Cycle 1: sprayed, positive | 8.85 (4.43 to 17.70) | 12.86 (4.13 to 40.06) |
| Cycle 1: sprayed, negative | 4.49 (3.33 to 6.06) | 3.87 (2.65 to 5.66) |
| Cycle 1: uninhabited | 2.19 (1.33 to 3.62) | 8.10 (1.19 to 55.28) |
| Cycle 1: refused | 1.48 (0.36 to 6.09) | 1.45 (0.31 to 6.83) |
| Cycle 1: public lot | 0.10 (0.02 to 0.45) | 0.03 (0.01 to 0.12) |
| Cycle 1: vacant lot | 0.79 (0.57 to 1.10) | 0.55 (0.35 to 0.87) |
| Constant | 1.54 (1.13 to 2.10) | 3.84 (2.72 to 5.43) |
| n (households) | 4922 | 4418 |
Adjusted ORs (aOR) from logistic regressions of the odds of households being treated (sprayed with insecticide) during Cycle 2 of the Chagas disease vector control campaign in Arequipa, Peru. Regression models are estimated using generalised estimating equations with robust SEs. CIs are adjusted for clustering of households within clusters. All covariates included in the model are shown in the table above.