Method evidence record
HAQ Disability Index
The Health Assessment Questionnaire Disability Index (HAQ-DI) is a 20-item self-report measure of functional disability developed by Fries and colleagues at Stanford University in 1980. Originally designed for rheumatoid arthritis, the HAQ-DI has become the gold-standard functional assessment instrument across diverse rheumatic diseases and chronic conditions.
Source record
Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.
Health Assessment Questionnaire Disability Index
Taxonomic method record · process-pipeline / health-measurement
- Bruce, B., & Fries, J. F. (1989). The Stanford Health Assessment Questionnaire: a review of its history, issues, progress, and documentation. Journal of Rheumatology, 16(8), 1055–1064. · URL
- Fries, J. F., Spitz, P., Kraines, R. G., & Holman, H. R. (1980). Measurement of patient outcome in arthritis. Arthritis & Rheumatism, 23(2), 137–145. · DOI 10.1002/art.1780230202
- Pincus, T., Swearingen, C., & Wolfe, F. (2011). Toward a multidimensional Health Assessment Questionnaire (MDHAQ): assessment of advanced activities of daily living and psychological well-being. Seminars in Arthritis and Rheumatism, 30(2), 10–17. · URL
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