Table 4.
Comparison of responses to pre- and post-spraying precautions: attendees’ likelihood of answering correctly before and after the performance
| Precaution | All (% correct) | Sprayed (% correct) | ||||||
|---|---|---|---|---|---|---|---|---|
| Pre | Post | RR (95% CI)a | Pre | Post | RR (95% CI)a | |||
| Before spraying | Set out tea for the sprayers | N/Ab | 7.1 | 5.6 | 0.69 (0.40, 1.18) | 5.4 | 2.3 | 0.40 (0.19, 0.83)* |
| Remove all food from the home | + | 74.0 | 82.6 | 1.11 (1.05, 1.17)* | 76.6 | 84.9 | 1.11 (1.02, 1.20)* | |
| Remove drinking water from home | + | 68.9 | 71.6 | 1.04 (0.96, 1.14) | 70.9 | 74.6 | 1.05 (0.98, 1.14) | |
| Leave cupboards open | – | 79.4 | 87.0 | 1.10 (1.05, 1.15)* | 82.6 | 89.0 | 1.08 (1.02, 1.14)* | |
| Close all cupboards | + | 33.1 | 41.2 | 1.28 (1.07, 1.52)* | 33.1 | 44.8 | 1.40 (1.19, 1.65)* | |
| Remove bedding from the home | + | 21.5 | 64.7 | 3.07 (2.44, 3.86)* | 20.7 | 63.5 | 3.03 (2.30, 4.00)* | |
| Clean and wax the floor | N/A | 16.7 | 19.8 | 1.14 (0.89, 1.47) | 17.4 | 15.4 | 0.90 (0.66, 1.22) | |
| Cover items that cannot be moved with fabric | N/A | 52.5 | 51.2 | 0.97 (0.85, 1.10) | 59.5 | 57.9 | 0.97 (0.84, 1.12) | |
| Cover items that cannot be moved with plastic sheet | + | 45.4 | 67.2 | 1.47 (1.33, 1.62)* | 43.1 | 66.6 | 1.54 (1.36, 1.74)* | |
| Lead animals away from the home | + | 31.3 | 54.2 | 1.77 (1.59, 1.96)* | 31.8 | 56.5 | 1.74 (1.49, 2.05)* | |
| Close animals inside the home | − | 94.6 | 91.7 | 0.97 (0.93, 1.00) | 95.7 | 91.3 | 0.95 (0.91, 1.00) | |
| Keep your children’s toys inside | − | 90.5 | 91.4 | 1.01 (0.98, 1.04) | 91.3 | 92.6 | 1.02 (0.98, 1.05) | |
| After spraying | Sweep the floor | + | 39.7 | 54.1 | 1.39 (1.20, 1.62)* | 39.1 | 55.5 | 1.44 (1.15, 1.79)* |
| Feed dead insects to animals | − | 93.6 | 96.1 | 1.02 (1.01, 1.04)* | 96.0 | 97.7 | 1.01 (0.99, 1.04) | |
| Discard dead insects in waste heap | − | 59.5 | 76.5 | 1.32 (1.25, 1.40)* | 60.9 | 79.6 | 1.34 (1.24, 1.45)* | |
| Discard dead insects in latrine | + | 44.8 | 71.8 | 1.60 (1.47, 1.73)* | 45.8 | 73.2 | 1.59 (1.41, 1.80)* | |
| Wash your children’s toys | + | 48.3 | 47.5 | 0.98 (0.85, 1.14) | 54.5 | 46.8 | 0.87 (0.78, 0.97)* | |
| Burn dead insects | + | 29.6 | 46.5 | 1.57 (1.25, 1.96)* | 27.8 | 52.2 | 1.82 (1.39, 2.37)* | |
| Wash furniture and seating left inside with soap and water | + | 50.2 | 54.7 | 1.10 (0.99, 1.22) | 51.5 | 52.8 | 1.02 (0.90, 1.16) | |
| Wash the floor with soap and water | + | 52.7 | 52.4 | 0.99 (0.93, 1.06) | 53.2 | 51.2 | 0.97 (0.87, 1.09) | |
| Wash walls with soap and water | − | 77.5 | 81.6 | 1.05 (1.01, 1.10)* | 78.6 | 84.3 | 1.07 (1.00, 1.13) | |
| Rinse wash rag well before using it again | − | 61.1 | 76.4 | 1.26 (1.14, 1.38)* | 59.2 | 77.9 | 1.33 (1.14, 1.55)* | |
| Discard wash rag after using it | + | 32.1 | 64.7 | 2.10 (1.75, 2.51)* | 30.4 | 69.2 | 2.23 (1.68, 2.97)* | |
| Re-plaster or re-paint or wash walls as soon as possible | − | 89.2 | 89.7 | 1.00 (0.97, 1.04) | 93.0 | 92.3 | 0.99 (0.95, 1.04) | |
*p < 0.05
aModels adjusted for sex and age, using mixed-effects models with a random intercept for village and attendee
b+ indicates that the behaviour should be performed, − indicates the behaviour should not be performed, and N/A indicates that it would not affect insecticide exposure