Table 1.
Variables potentially related to entomological outcomes, derived from responses to the household questionnaire in the six surveys
| Variable | Variable included in the questionnaire | |||||
|---|---|---|---|---|---|---|
| 2005 | 2006 | 2007 | 2011 | 2012 | 2013 | |
| Choice of manual search for larvae or spending C$5 per week on temephos | Included & retained | |||||
| Assumed knowledge of life cycle of mosquito through recognizing a larva when shown | Included & retained | Included & retained | Included & retained | Included & retained | ||
| Perception of a lack of temephos (yes/no) | Included but not retained | |||||
| Perception that the community itself can control the mosquito (ye/no) | Included & retained | Included & retained | Included but not retained | Included & retained | ||
| Ability to identify community leadership (can/cannot identify) | Included but not retained | Included but not retained | ||||
| Perception of danger from dengue in the community (yes/no) | Included & retained | |||||
| Perception of danger from dengue in the household (yes/no) | Included but not retained | |||||
| Discussion of dengue prevention with neighbours (yes/no) | Included & retained | Included & retained | Included & retained | |||
| Education of the head of the family (primary or less/above primary) | Included & retained | |||||
| Regularity of local water supply (regular/irregular) | Included & retained | |||||
| Participation in local organisations (yes/no) | Included but not retained | |||||
| Participation in a local dengue prevention activity (yes/no) | Included but not retained | |||||
“Included & retained” means the variable was included in the initial saturated GLMM model and retained in the final model.
“Included but not retained” means the variable was included in the initial saturated GLMM model but was not retained in the final model of variables all associated with the outcome at the 5% significance level.