Stanford Health Assessment Questionnaire (HAQ)


Name

Stanford Health Assessment Questionnaire (the HAQ).


Source Article
Fries JF, Spitz P, Kraines RG, Holman HR. Measurement of patient outcome in arthritis. Arthritis Rheum 1980;23: 137-145.

Description
The Health Assessment Questionnaire (HAQ) was one of the first self-report functional status (disability) measures and has become the major instrument in many disease areas, including arthritis.

Structure / Content

There are two types of HAQ: full and short (2-page). The full HAQ assesses 5 dimensions of health outcome (see below). The short HAQ contains the HAQ Disability Index (HAQ-DI), the VAS Pain Scale, and the VAS Patient Global in a 2-page format.

  • 1. DISABILITY: These 8 categories make up the “Disability Index“ (HAQ-DI): Dressing, Walking, Arising, Reach, Eating, Grip, Hygiene, Outside activity.
  • 2. DISCOMFORT: HAQ VAS pain scale, Patient Global VAS [Supplemental dimensions also included in the Full HAQ (tailored to specific hypotheses or research questions)]
  • 3. DRUG SIDE EFFECTS: Medical, Toxicity Index, Surgical
  • 4. DOLLAR COSTS: Direct costs: Medical/surgical costs (Medications, Paramedical visits, Laboratory tests, Devices, Radiographs, Hospitalizations, Physician visits, Surgeries), Indirect costs: Loss of productivity
  • 5. DEATH: Time to death, Cause of death




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