Table 3.
Frequencies (n, %) of behavioral factors associated with identifying positive houses with immature stages of A. aegypti (PR, 95% CI; χ2) and factors associated with the presence of positive ovitraps (PR, 95% CI; χ2).
| Variables | n (%) | Positive houses | Positive ovitraps | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Yes | No | PR (95% CI) | χ 2 | Yes | No | PR (95% CI) | χ 2 | ||
| Mobility outside the municipality | |||||||||
| Yes | 244 (79.5) | 72 | 172 | 0.62 (0.45, 0.86) | 6.61 ∗ | 189 | 55 | 0.94 (0.82, 1.08) | 0.49 |
| No | 63 (20.5) | 30 | 33 | 1.00 | 52 | 11 | 1.00 | ||
|
| |||||||||
| Frequency of mobility outside the municipality | |||||||||
| Does not travel | 61 (19.9) | 29 | 32 | 1.00 | 9.66 ∗ | 50 | 11 | 1.00 | 6.03 |
| Daily | 8 (2.6) | 3 | 5 | 0.79 (0.31, 2.00) | 4 | 4 | 0.63 (0.31, 1.26) | ||
| Weekly | 35 (11.4) | 11 | 24 | 0.66 (0.38, 1.15) | 29 | 6 | 1.06 (0.90, 1.25) | ||
| Every 15 days | 44 (14.3) | 17 | 27 | 0.81 (0.51, 1.28) | 37 | 7 | 1.08 (0.94, 1.25) | ||
| Monthly | 159 (51.8) | 42 | 117 | 0.55 (0.38, 0.80) | 121 | 38 | 0.94 (0.84, 1.05) | ||
|
| |||||||||
| Concrete washbasins cleaning | |||||||||
| Yes | 254 (82.7) | 84 | 170 | 0.97 (0.64, 1.47) | 1.91e − 30 | 205 | 49 | 1.19 (0.98, 1.44) | 3.52 |
| No | 53 (17.3) | 18 | 35 | 1.00 | 36 | 17 | 1.00 | ||
|
| |||||||||
| Frequency of concrete washbasins cleaning | |||||||||
| It has no tank | 38 (12.4) | 7 | 31 | 1.00 | 6.68 | 26 | 12 | 1.00 | 5.39 |
| From 2 to 8 days | 249 (81.1) | 85 | 164 | 1.16 (0.75, 1.80) | 200 | 49 | 1.88 (0.89, 4) | ||
| From 9 to 15 days | 15 (4.9) | 7 | 8 | 1.43 (0.81, 2.53) | 10 | 5 | 0.92 (0.26, 3.3) | ||
| From 20 to 30 days | 5 (1.6) | 3 | 2 | 1.83 (0.88, 3.81) | 5 | 0 | 3.E+04 (0, Inf) | ||
|
| |||||||||
| Identify covered water containers | |||||||||
| Yes | 38 (12.4) | 15 | 23 | 1.00 | 0.48 | 33 | 5 | 1.00 | 1.27 |
| No | 269 (87.6) | 87 | 182 | 1.22 (0.79, 1.88) | 208 | 61 | 0.89 (0.77, 1.02) | ||
|
| |||||||||
| Reasons for water storage | |||||||||
| Custom | 29 (9.4) | 7 | 22 | 0.71 (0.36, 1.37) | 8.69 ∗ | 23 | 6 | 1.01 (0.83, 1.23) | 1.25 |
| Does not store water | 47 (15.3) | 8 | 39 | 1.00 | 34 | 13 | 1.00 | ||
| Domestic use | 231 (75.2) | 87 | 144 | 1.91 (1.18, 3.09) | 184 | 47 | 1.06 (0.92, 1.23) | ||
|
| |||||||||
| Knowledge of the biological behavior of the vector | |||||||||
| Yes | 185 (60.3) | 58 | 127 | 1.00 | 0.54 | 147 | 38 | 1.00 | 0.13 |
| No | 122 (39.7) | 44 | 78 | 1.15 (0.74, 1.77) | 94 | 28 | 0.97 (0.86, 1.09) | ||
|
| |||||||||
| Knowledge of breeding sites | |||||||||
| Yes | 267 (87) | 87 | 180 | 1.00 | 0.19 | 209 | 58 | 1.00 | 2.E − 03 |
| No | 40 (13) | 15 | 25 | 1.85 (1.2, 2.8) | 32 | 8 | 1.02 (0.86, 1.2) | ||
|
| |||||||||
| Vector knowledge | |||||||||
| Yes | 290 (94.5) | 92 | 198 | 0.54 (0.35, 0.83) | 4.16 ∗ | 229 | 61 | 1.00 | 0.26 |
| No | 17 (5.5) | 10 | 7 | 1.00 | 12 | 5 | 0.89 (0.65, 1.22) | ||
|
| |||||||||
| Knowledge of arboviruses | |||||||||
| Yes | 283 (92.2) | 90 | 193 | 1.00 | 2.53 | 222 | 61 | 1.00 | 5.3E − 30 |
| No | 24 (7.8) | 12 | 12 | 1.57 (1.02, 2.43) | 19 | 5 | 1.00 (0.81, 1.25) | ||
|
| |||||||||
| Biting control strategy | |||||||||
| Physical | 229 (74.6) | 78 | 151 | 1.11 (0.76, 1.62) | 0.15 | 184 | 45 | 1.10 (0.95, 1.28) | 1.42 |
| Chemistry | 78 (25.4) | 24 | 54 | 1 | 57 | 21 | 1 | ||
|
| |||||||||
| Breeding site control strategies | |||||||||
| Actions on the tank | 234 (76.2) | 81 | 153 | 1.20 (0.81, 1.80) | 0.61 | 182 | 52 | 0.96 (0.84, 1.10) | 0.15 |
| Use of insecticides and chlorine | 73 (23.8) | 21 | 52 | 1 | 59 | 14 | 1 | ||
|
| |||||||||
| Spray the house with insecticides | |||||||||
| Yes | 237 (77.2) | 69 | 168 | 1.00 | 7.12 ∗ | 189 | 48 | 1.00 | 0.66 |
| No | 70 (22.8) | 33 | 37 | 1.61 (1.17, 2.22) | 52 | 18 | 0.93 (0.80, 1.00) | ||
|
| |||||||||
| Fumigation frequency | |||||||||
| From 1 to 8 days | 261 (85) | 169 | 92 | 1.00 | 4.61 | 54 | 207 | 1.00 | 0.69 |
| Every 15 days | 11 (3.6) | 7 | 4 | 0.95 (0.60, 1.49) | 3 | 8 | 0.92 (0.64, 1,33) | ||
| Monthly | 35 (11.4) | 29 | 6 | 1.28 (1.07, 1.59) | 9 | 26 | 0.94 (0.77, 1.15) | ||
|
| |||||||||
| How do you spray insecticides? | |||||||||
| Self-application | 229 (74.6) | 67 | 162 | 0.65 (0.47, 0.90) | 7.98 ∗ | 183 | 46 | 1.07 (0.92, 1.25) | 1.07 |
| Contract fumigation | 8 (2.6) | 2 | 6 | 0.75 (0.22, 2.51) | 6 | 2 | 1.00 (0.66, 1.54) | ||
| Do not spray | 70 (22.8) | 33 | 37 | 1.00 | 52 | 18 | 1.00 | ||
Bold number and asterisk represent statistical significance of p < 0.05.