New Cluster Designs for Emergency Surveys
Author Information
Author(s): Oleg O Bilukha
Primary Institution: Centers for Disease Control and Prevention
Hypothesis
Can new cluster survey designs provide better efficiency and accuracy in measuring health indicators in emergencies compared to traditional designs?
Conclusion
New cluster designs may save time and costs while providing acceptable precision for certain health indicators in emergencies.
Supporting Evidence
- The new designs can measure key health indicators with sufficient precision.
- Time savings are significant, especially when travel times between clusters are short.
- The 67x3 design offers the least time savings compared to the traditional 30x30 design.
Takeaway
This study looks at different ways to gather information in emergencies, showing that using fewer people can save time and money while still giving good results.
Methodology
The study compares various cluster survey designs (30x7, 30x30, 33x6, and 67x3) to assess their efficiency and precision in measuring health indicators.
Potential Biases
Low numbers of subjects per cluster may lead to biased prevalence estimates if not randomly selected.
Limitations
The smaller sample sizes may not provide sufficient precision for measuring crude mortality rates.
Statistical Information
Confidence Interval
95%
Digital Object Identifier (DOI)
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