A Study of the Reliability, Validity, and Precision of Scales to Measure Chronic Functional Limitations Due to Poor Health,

Abstract

Results of psychometric studies of 14 questionnaire items commonly used to define chronic functional limitations due to poor health are reported. Self-administered questionnaires were used to gather data from 1,209 persons 14 years of age and older. Data were used to study scalability of items, test-retest reliability of alternate forms of scales, validity of scales in relation to 13 health status variables and age, and precision of scales in detecting differences in functional limitations. Three scales pertaining to chronic limitations in mobility, physical activity, and social role activity functions satisfied the criteria of scalogram analysis.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1977
Accession Number
ADA043261

Entities

People

  • Anita L. Stewart
  • John E. Ware Jr.
  • Robert H. Brook

Organizations

  • RAND Corporation

Tags

DTIC Thesaurus Topics

  • Cardiovascular Physiological Phenomena
  • Chronic Diseases
  • Correlation Analysis
  • Data Science
  • Disease Attributes
  • Diseases And Disorders
  • Education
  • Experimental Design
  • Health
  • Information Science
  • Measurement
  • Medical Personnel
  • New York
  • Physical Activity
  • Public Health
  • Statistics
  • Surveys

Fields of Study

  • Psychology

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