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Related Experiment Videos

Estimation of a multiproduct cost function for physically frail older people

P McNamee1, B A Gregson, K Wright

  • 1Resource Implications Study Group, MRC Cognitive Function and Ageing Study, UK.

Health Economics
|January 16, 1999
PubMed
Summary

This study developed a cost function for frail older adults, finding that better health states correlate with lower healthcare costs. This helps predict costs associated with an aging population.

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Area of Science:

  • Health Economics
  • Gerontology
  • Public Health

Background:

  • Estimating healthcare costs for aging populations is crucial.
  • Understanding factors influencing costs for physically frail older adults is complex.

Purpose of the Study:

  • To derive a cost function for physically frail older people living in private households.
  • To classify outputs by health state changes and analyze their cost implications.

Main Methods:

  • Utilized multiproduct cost function theory.
  • Defined health states based on changes in Activities of Daily Living (ADL) over two years.
  • Employed multivariate analysis on data from 472 subjects aged 65+ in England (1991-1995).

Main Results:

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  • More favorable health states (e.g., stable low ADL) were associated with lower costs.
  • Health states, chronic conditions (diabetes, stroke), care accommodation, and household structure explained 20% of weekly cost variation.
  • Age, sex, carer input, social networks, and cognitive function did not independently impact costs.

Conclusions:

  • The derived cost function provides a framework for predicting healthcare expenditures in aging populations.
  • Health status progression is a significant determinant of healthcare costs for frail older adults.
  • Further research can refine cost prediction models by incorporating these health-state-based factors.