Risk of Dengue Fever in Southeast Brazil
Author Information
Author(s): Cordeiro Ricardo, Donalisio Maria R, Andrade Valmir R, Mafra Ana CN, Nucci Luciana B, Brown John C, Stephan Celso
Primary Institution: State University of Campinas, São Paulo, Brazil
Hypothesis
What is the spatial distribution of the risk of dengue fever in Campinas, Brazil?
Conclusion
The study found that the spatial distribution of mild and severe dengue fever risks differed, with specific socio-environmental factors influencing the incidence.
Supporting Evidence
- Higher larval density was associated with increased incidence of dengue.
- Reports of mosquito bites during the day were linked to higher dengue cases.
- Practicing water storage at home increased the risk of dengue.
- Low frequency of garbage collection was a significant risk factor.
- Lack of basic sanitation was associated with higher dengue incidence.
Takeaway
This study looked at how likely people are to get dengue fever in different areas of Campinas, Brazil, and found that where you live can really change your chances of getting sick.
Methodology
A spatial population-based case-control study analyzing 538 cases and 727 controls using interviews and inspections.
Potential Biases
Controls could have had asymptomatic dengue infection or dengue in the past, which may weaken the statistical significance.
Limitations
The lack of serologic tests in the control population may lead to potential selection bias.
Participant Demographics
{"age_mean":43.6,"gender_distribution":{"male":44.9,"female":55.1},"education_level_mean":7.4}
Statistical Information
P-Value
0.0001
Confidence Interval
95%CI: 2.0-2.7
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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