Deriving SF-12v2 physical and mental health summary scores: a comparison of different scoring algorithms |
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| Authors: | John A. Fleishman Alfredo J. Selim |
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| Affiliation: | (1) Center for Cost and Financing Studies, Agency for Healthcare Research and Quality, Rockville, MD 20852, USA;(2) Center for Health Quality, Outcomes, and Economic Research (CHQOER), A Health Services Research and Development Center of Excellence, VA Medical Center, Bedford, MA, USA;(3) Center for the Assessment of Pharmaceutical Practices (CAPP), Department of Health Policy and Management, Boston University School of Public Health, Boston, MA, USA;(4) Section of Emergency Services, Boston VA Health Care System, West Roxbury, MA, USA;(5) Boston University School of Medicine, Boston, MA, USA |
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| Abstract: | Purpose Summary scores for the SF-12, version 2 (SF-12v2) health status measure are based on scoring coefficients derived for version 1 of the SF-36, despite changes in item wording and response scales and despite the fact that SF-12 scales only contain a subset of SF-36 items. This study derives new summary scores based directly on SF-12v2 data from a recent U.S. sample and compares the new summary scores to the standard ones. Due to controversy regarding methods for developing scoring coefficients for the summary score, we compare summary scores produced by different methods. |
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