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Objectives <p>This study aimed to explore perceptions of dengue fever according to the health belief model, assess prevention practices, and evaluate the density of <i>Aedes</i> larvae in northern Thailand, while identifying factors associated with these practices and larvae presence.</p> Methods <p>A cross-sectional study was conducted with 279 household heads or their representatives. Data were collected via a questionnaire and <i>Aedes</i> larvae inspection forms. The density of <i>Aedes</i> larvae: House Index (HI), Container Index (CI), and Breteau Index (BI) were calculated. Ordinal and binary logistic regressions were used to identify factors associated with dengue prevention practices and the presence of <i>Aedes</i> larvae.</p> Results <p>Most respondents had good level of perceived susceptibility (87.1%) and benefits (65.6%), while about half had fair perceptions of severity (52.7%) and barriers (47.3%). Over half (55.9%) exhibited fair dengue prevention practices. <i>Aedes</i> larvae density was high, with HI, CI, and BI values of 38.7%, 14.8%, and 71.3%, respectively. Better prevention practices were associated with holding a social role (AOR = 2.5; 95% CI = 1.3–5.0) and lower perceived barriers (AOR = 2.6; 95% CI = 1.0–6.8). <i>Aedes</i> larvae presence was associated with living in wooden houses (AOR = 2.4; 95% CI = 1.1–5.3), improper waste disposal (landfills) (AOR = 1.7; 95% CI = 1.0–2.9), and failure to recycle waste (AOR = 2.3; 95% CI = 1.0–5.1).</p> Conclusions <p>The findings of this study point to the potential importance of addressing individual perceptions, behaviors, and housing environmental conditions in efforts to control <i>Aedes</i> mosquitoes. These insights may be useful for local health authorities in northern Thailand when considering context-specific dengue prevention strategies.</p>

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Health beliefs and housing environmental factors affecting dengue prevention and Aedes larvae in rural northern Thailand: a cross-sectional study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月9日

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  • Janjira Thongkham,
  • Karantarat Kanrew,
  • Chalida Wongkumthi,
  • Nittaya Intasan,
  • Sayambhu Saita,
  • Supa Vittaporn,
  • Surangrat Pongpan,
  • Patcharin Khamnuan,
  • Supang Wattanasoei,
  • Kasama Pooseesod

摘要

Objectives

This study aimed to explore perceptions of dengue fever according to the health belief model, assess prevention practices, and evaluate the density of Aedes larvae in northern Thailand, while identifying factors associated with these practices and larvae presence.

Methods

A cross-sectional study was conducted with 279 household heads or their representatives. Data were collected via a questionnaire and Aedes larvae inspection forms. The density of Aedes larvae: House Index (HI), Container Index (CI), and Breteau Index (BI) were calculated. Ordinal and binary logistic regressions were used to identify factors associated with dengue prevention practices and the presence of Aedes larvae.

Results

Most respondents had good level of perceived susceptibility (87.1%) and benefits (65.6%), while about half had fair perceptions of severity (52.7%) and barriers (47.3%). Over half (55.9%) exhibited fair dengue prevention practices. Aedes larvae density was high, with HI, CI, and BI values of 38.7%, 14.8%, and 71.3%, respectively. Better prevention practices were associated with holding a social role (AOR = 2.5; 95% CI = 1.3–5.0) and lower perceived barriers (AOR = 2.6; 95% CI = 1.0–6.8). Aedes larvae presence was associated with living in wooden houses (AOR = 2.4; 95% CI = 1.1–5.3), improper waste disposal (landfills) (AOR = 1.7; 95% CI = 1.0–2.9), and failure to recycle waste (AOR = 2.3; 95% CI = 1.0–5.1).

Conclusions

The findings of this study point to the potential importance of addressing individual perceptions, behaviors, and housing environmental conditions in efforts to control Aedes mosquitoes. These insights may be useful for local health authorities in northern Thailand when considering context-specific dengue prevention strategies.