Knowledge and practice of household mosquito breeding control measures between a dengue hotspot and non-hotspot in Singapore

Abstract

Introduction: The aim of this study was to compare the knowledge and practices of household mosquito-breeding control measures between a dengue hotspot (HS) and a non-hotspot (NHS). Materials and Methods: Eight hundred households were randomly sampled from HS and NHS areas, and an National Environment Agency (NEA) questionnaire was administered to heads of the households. Interviewers were blinded to the dengue status of households. We included subjects aged above 16 years, who were communicative and currently living in the household. Chi-square test was used to compare proportions and multiple logistic regression was used to adjust for socio-demographic differences between both areas. Results: The overall response rate was 59.0% (n = 472). There were signifi cant differences in gender, educational level, employment status and housing type between HS and NHS (all P