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Related Experiment Videos

Cost of case-control studies

E Brittain, J J Schlesselman, B V Stadel

    American Journal of Epidemiology
    |August 1, 1981
    PubMed
    Summary

    Financial analysis of birth control studies reveals data collection is the most expensive phase. Optimizing sample size offers minimal cost savings, suggesting focus on efficient data gathering for case-control studies.

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    Area of Science:

    • Epidemiology
    • Health Economics

    Background:

    • Case-control studies are crucial for investigating disease etiology.
    • Understanding the financial aspects of these studies is vital for resource allocation.
    • Previous financial analyses of case-control studies are limited.

    Purpose of the Study:

    • To conduct a financial review of five case-control studies.
    • To identify cost drivers in planning, conducting, and analyzing case-control studies.
    • To assess the cost-saving potential of optimal sample size allocation.

    Main Methods:

    • Financial data from five case-control studies were analyzed.
    • Costs were categorized into planning, data collection, and analysis.
    • Optimal allocation procedures were evaluated for potential cost reduction.
    Keywords:
    Breast CancerCase StudiesCongenital AbnormalitiesControl GroupsCost Benefit AnalysisData AnalysisEvaluationEvaluation MethodologyHeart DiseasesIudOral ContraceptivesQuantitative EvaluationResearch MethodologyStudiesStudy Design--cost

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    Main Results:

    • Data collection constituted approximately 75% of total study costs.
    • Planning and analysis costs represented about 10% and 15%, respectively.
    • Optimal allocation strategies yielded a maximum cost reduction of only 2%.

    Conclusions:

    • Data collection is the primary cost driver in case-control studies.
    • Sample size optimization offers limited financial benefits.
    • Resource allocation should prioritize efficient data collection methods.