Optimizing cost-efficiency in mean exposure assessment - cost functions reconsidered
2011

Optimizing Cost-Efficiency in Exposure Assessment

Sample size: 225 publication Evidence: moderate

Author Information

Author(s): Mathiassen Svend Erik, Bolin Kristian

Primary Institution: Centre for Musculoskeletal Research, University of Gävle, Sweden

Hypothesis

How can medical researchers achieve optimal cost-efficiency in exposure assessment?

Conclusion

The study provides mathematical procedures for designing cost-efficient exposure assessment strategies, although empirical evidence on costs is lacking.

Supporting Evidence

  • The study developed explicit mathematical rules for optimal allocation of measurements.
  • Non-linear cost functions significantly influenced optimal allocation strategies.
  • The optimal strategy often involved measuring from as many subjects as possible on one occasion.

Takeaway

This study helps researchers figure out the best way to spend money when measuring exposure to things like chemicals, so they get the most accurate results.

Methodology

The study used a hierarchical, nested measurement model and developed cost models to assess statistical performance and costs across 225 scenarios.

Limitations

The lack of empirical evidence on costs and appropriate cost functions limits the generalizability of the findings.

Digital Object Identifier (DOI)

10.1186/1471-2288-11-76

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