Risk Factors for E. histolytica Infection in Vietnam
Author Information
Author(s): Pham Duc Phuc, Nguyen-Viet Hung, Hattendorf Jan, Zinsstag Jakob, Dac Cam Phung, Odermatt Peter
Primary Institution: Swiss Tropical and Public Health Institute
Hypothesis
What are the risk factors for E. histolytica infection in an agricultural community in Vietnam?
Conclusion
Socio-economic status and personal hygiene practices are key factors influencing E. histolytica infection risk, rather than direct exposure to human and animal excreta.
Supporting Evidence
- People from households with average socio-economic status had a much higher risk of E. histolytica infection.
- Those who rarely used soap for hand washing had a 3.4 times higher risk for infection.
- Close contact with domestic animals presented a greater risk of E. histolytica infection.
Takeaway
People who don't wash their hands well or come from poorer households are more likely to get sick from a germ called E. histolytica.
Methodology
A case-control study was conducted with 46 infected cases and 138 non-infected controls matched for age, sex, and residence.
Potential Biases
Potential biases may arise from self-reported data on hygiene practices.
Limitations
The study had a relatively small number of cases, which may affect the statistical significance of some findings.
Participant Demographics
Mean age of participants was 34 years, with a mix of socio-economic statuses.
Statistical Information
P-Value
0.02
Confidence Interval
1.3-14.0
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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