The Stanford Health Assessment Questionnaire – (the HAQ) was developed in 1980 by Fries et al. It is a measure of functional ability and is based on the belief that a patient desires to be alive, free of pain, functioning normally, experiencing minimal treatment toxicity, and financially solvent. A lot of patients have probably filled out the HAQ in clinic and it is in at least 28 languages. The measurements are on a scale of 0 (best) to 3 (worst). It is a self-administered measure that evaluates four dimensions: disability, discomfort, drug side effects and costs. The disability section of the HAQ contains 20 questions about difficulties experienced with eight categories of activities of daily living, and four questions about the assistance used to perform these activities. The ‘Modified HAQ’, which contains only 8 of these questions, one from each category, is commonly used. More information:

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