• Cameron McR Gosling, Belinda J Gabbe, Owen D Williamson, Ann M Sutherland, and Peter A Cameron.
• Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia. cameron.gosling@monash.edu
• Injury. 2011 Dec 1;42(12):1443-8.

IntroductionTo evaluate the validity of the 12-item Short Form Health Survey (SF-12), Sickness Impact Profile (SIP) and the Short Musculoskeletal Functional Assessment Questionnaire (SMFA) for use in an orthopaedic trauma population.Materials And MethodsA prospective validation trial was completed at a Level 1 adult trauma centre in Melbourne, Australia. One hundred and fifty four patients with orthopaedic trauma managed or followed-up by an orthopaedic unit were prospectively recruited. Patients with pathological fractures related to metastatic disease and/or an isolated orthopaedic injury, a documented history of mental illness or dementia or those for whom follow-up was likely to be difficult were excluded. The SF-12, SIP and SMFA were administered by a trained interviewer at one and six months. Each questionnaire was scored for the physical and mental components and then compared for content and construct validity at each time point.ResultsComplete data were collected for 134 patients at one and six months. The one and six month component scores correlated strongly between the SF-12 physical, SIP physical (r=0.513-0.669) and SMFA dysfunction (r=0.529-0.778); the SF-12 mental, SIP mental (r=0.643-0.719) and SMFA bother (r=0.564-0.602) components. The strength of association was greater for the six month time point compared to the one month measure. The SF-12 demonstrated no ceiling or floor effects, and provided a lower time burden on participants and researchers when compared to the SIP and SMFA.ConclusionsFor large population-based surveillance research into orthopaedic injury the SF-12 provides a valid and versatile tool.Copyright © 2011 Elsevier Ltd. All rights reserved.

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