Table 1. Baseline socio-demographic and environmental characteristics by intervention groups, Teresina, Piauí, Brazil, 2004.
| Intervention groups | ||||
| Insecticide spraying | Dog culling | Dog culling + insecticide spraying | No intervention (Control) | |
| Variable | ||||
| Average age in years (SD) | 26.1 (11.6) | 29.1 (12.9) | 28.9 (12.5) | 27.5 (12.2) |
| Average years living in this residence (SD) | 5.5 (5.4) | 6.7 (5.7)a , b | 5.2 (5.8) | 5.3 (4.8) |
| Male (%) | 30.7 | 29.4 | 32.6 | 34.8 |
| Literacy of household head less than elementary (%) | 85.6b | 83.1 | 81.6 | 79.5 |
| History of VL in the household (%) | 2.9 | 1.8 | 2.8 | 3.2 |
| Owns a dog (%) | 37.9 | 32.1 | 39.2 | 33.6 |
| Presence of other animals in house or in the peridomestic environment (%) | 53.6 | 50.2 | 48.1 | 49.0 |
| Presence of a kennel in the peridomestic environment (%) | 5.7 | 5.9 | 9.4b | 4.5 |
| Presence of a chicken shed in the peridomestic environment (%) | 5.0 | 1.4a , b | 1.7b | 5.2 |
a
- statistically significant difference from the control group (p<0.05).
b
- statistically significant difference from the control group (p<0.20).