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BackgroundGlobally there are an estimated 390 million dengue infections per year, of which 96 million are clinically apparent. In Cambodia, estimates suggest as many as 185,850 cases annually. The World Health Organization global strategy for dengue prevention aims to reduce mortality rates by 50% and morbidity by 25% by 2020. The adoption of integrated vector management approach using community-based methods tailored to the local context is one of the recommended strategies to achieve these objectives. Understanding local knowledge, attitudes and practices is therefore essential to designing suitable strategies to fit each local context.Methods and findingsA Knowledge, Attitudes and Practices survey in 600 randomly chosen households was administered in 30 villages in Kampong Cham which is one of the most populated provinces of Cambodia. KAP surveys were administered to a sub-sample of households where an entomology survey was conducted (1200 households), during which Aedes larval/pupae and adult female Aedes mosquito densities were recorded. Participants had high levels of knowledge regarding the transmission of dengue, Aedes breeding, and biting prevention methods; the majority of participants believed they were at risk and that dengue transmission is preventable. However, self-reported vector control practices did not match observed practices recorded in our surveys. No correlation was found between knowledge and observed practices either.ConclusionAn education campaign regarding dengue prevention in this setting with high knowledge levels is unlikely to have any significant effect on practices unless it is incorporated in a more comprehensive strategy for behavioural change, such a COMBI method, which includes behavioural models as well as communication and marketing theory and practice.Trial registrationISRCTN85307778.

Original publication

DOI

10.1371/journal.pntd.0006268

Type

Journal

PLoS neglected tropical diseases

Publication Date

16/02/2018

Volume

12

Addresses

Technical Department, Malaria Consortium, Phnom Penh, Cambodia.

Keywords

Animals, Humans, Aedes, Dengue, Health Knowledge, Attitudes, Practice, Family Characteristics, Housing, Mosquito Control, Water Supply, Adolescent, Adult, Aged, Aged, 80 and over, Middle Aged, Rural Population, Cambodia, Female, Male, Young Adult, Surveys and Questionnaires, Community Participation, Mosquito Vectors