Comparing survey data on functional disability: the impact of some methodological differences.

@article{Picavet1996ComparingSD,
  title={Comparing survey data on functional disability: the impact of some methodological differences.},
  author={H. Susan J. Picavet and Geertrudis A M van den Bos},
  journal={Journal of epidemiology and community health},
  year={1996},
  volume={50 1},
  pages={86-93}
}
STUDY OBJECTIVE To examine the impact of some differences in survey methodology on the prevalence of functional disability in population based surveys of the elderly. DESIGN AND METHODS Nine surveys of Dutch people aged 55 years and older were compared to investigate the differences in the methods of data collection (proxy questioning, yes/no; interview versus self administered questionnaire) and construction of the questionnaire (wording of introductory text, activities, and response… CONTINUE READING
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