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Sociodemographic predictors of knowledge, mosquito bite patterns and protective behaviors concerning vector borne disease: The case of dengue fever in Chinese subtropical city, Hong Kong

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  • Emily Ying Yang Chan
  • Eugene Siu Kai Lo
  • Zhe Huang
  • Holly Ching Yu Lam
  • May Pui-shan Yeung
  • Kin-on Kwok
  • Kevin Kei Ching Hung
  • Shelly Lap-ah Tse

Abstract

Geographic pattern of dengue fever is changing due to the global environmental and climate changes in the 21st century. Evidence of community’s knowledge, mosquito bite patterns and protective behavior practices in non-endemic regions is limited. This study examined the knowledge of dengue, mosquito bite patterns, protective behavior practices and their associated factors in Hong Kong, a non-endemic subtropical city. A population-based random telephone survey (n = 590) was conducted three weeks after the government announcement of a local dengue outbreak in August 2018. Sociodemographic status, awareness, knowledge, protective measures, bite patterns of mosquito were collected. Results indicated high level of community awareness of the local outbreak (95.2%), symptom identification (84.0%) and adoption of at least one mosquito protective measures (nearly 80%). About 40% of respondents reported that they were bitten by mosquitoes during the study period, a high mosquito season in Hong Kong. Mosquito bites were prevalent near grassy area (63.4%), at home (42.6%) and at public transportation waiting spots (39.6%). Younger people (

Suggested Citation

  • Emily Ying Yang Chan & Eugene Siu Kai Lo & Zhe Huang & Holly Ching Yu Lam & May Pui-shan Yeung & Kin-on Kwok & Kevin Kei Ching Hung & Shelly Lap-ah Tse, 2021. "Sociodemographic predictors of knowledge, mosquito bite patterns and protective behaviors concerning vector borne disease: The case of dengue fever in Chinese subtropical city, Hong Kong," PLOS Neglected Tropical Diseases, Public Library of Science, vol. 15(1), pages 1-19, January.
    • Handle: RePEc:plo:pntd00:0008993
    DOI: 10.1371/journal.pntd.0008993
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