Health Assessment Questionnaire Disability Index Questionnaire

Definition 1

A standardized questionnaire developed by James F. Fries in 1983, which is originally used to measure outcome in patients with Rheumatoid Arthritis. It has also been applied to patients with HIV/AIDS and in studies of normal aging. The HAQ-DI is a generic instrument which focuses on self-reported, patient-oriented outcome measures. The questionnaire contains 8 categories of 46 items; dressing and grooming, arising, eating, walking, hygiene, reaching, grip, and activities. A 0-3 grade scale is used, where grade 0 represents category performed without any difficulty and grade 3 represents category performed with the greatest difficulty (unable to do). (NCI Thesaurus)

Definition 2

Health Assessment Questionnaire Disability Index (HAQ-DI) (Fries JF. The assessment of disability: from first to future principles. Br J Rheumatol. 1983 Aug; 22(3 Suppl):48-58). (NCI Thesaurus/CDISC)

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