A Six-Item Short-Form Survey for Measuring Headache Impact: The HIT-6 - M. Kosinski; M. S. Bayliss; J. B. Bjorner; J. E. Ware, Jr; W. H. Garber; A. Batenhorst; R. Cady; C. G. H. Dahlöf; A. Dowson; Tepper, S. (Quality of life research, 2003)
Keywords: Adult; Calibration; Confidence intervals; Construct validity; Estimate reliability; Headache; Headache - physiopathology; Headaches; Health surveys; Humans; Internet; Migraine; Pain; Psychometrics; Quality of Life; Questionnaires; Self reports; Sickness Impact Profile; Studies; Surveys and Questionnaires; The Practical Assessment of Headache Impact Using Item Response Theory and Computerized Adaptive Testing; United States; Validity; United States