The Value of Educational Messages Embedded in a Community-Based Approach to Combat Dengue Fever: A Systematic Review and Meta Regression Analysis
2011

Educational Messages to Combat Dengue Fever

Sample size: 22 publication Evidence: moderate

Author Information

Author(s): Al-Muhandis Nada, Hunter Paul R.

Primary Institution: School of Medicine, Health Policy and Practice, University of East Anglia, Norwich, United Kingdom

Hypothesis

The review investigates the effectiveness of different educational messages embedded in a community-based approach on the incidence of Aedes aegypti larvae.

Conclusion

The study suggests that educational measures can effectively reduce mosquito larvae indices, but historical controls may overestimate their value.

Supporting Evidence

  • The meta-analysis included 22 studies with a pooled relative effectiveness of 0.25.
  • Studies using historical controls overestimated the effectiveness of interventions.
  • Effectiveness was highest 18 to 24 months after the intervention.

Takeaway

This study shows that teaching communities about dengue prevention can help reduce mosquito populations, but the timing of the intervention matters.

Methodology

A systematic review and meta-regression analysis of 22 studies assessing educational interventions for dengue control.

Potential Biases

Potential bias due to lack of blinding in study designs.

Limitations

The study design varied significantly across included studies, affecting the interpretation of results.

Participant Demographics

Studies included participants from South America and South East Asia.

Statistical Information

P-Value

<0.001

Confidence Interval

95% CI 0.17–0.37

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pntd.0001278

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