Reliability and sensitivity to change assessed for a summary measure of lower body function: results from the Women's Health and Aging Study.

@article{Ostir2002ReliabilityAS,
  title={Reliability and sensitivity to change assessed for a summary measure of lower body function: results from the Women's Health and Aging Study.},
  author={Glenn V. Ostir and Stefano Volpato and Linda P. Fried and Paulo Chaves and Jack Guralnik},
  journal={Journal of clinical epidemiology},
  year={2002},
  volume={55 9},
  pages={916-21}
}
A summary performance measure comprised of a hierarchical balance task, a 4-meter walk, and five repetitive chair stands is increasingly being used as a predictor of independent living for older persons. The reliability and sensitivity to change of this summary performance measure have not been investigated, however. Because a measure can be reliable while being unresponsive to change, this study presents information on both the reliability and sensitivity to change for the summary performance… CONTINUE READING

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