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Ongoing use of the SF-36 instrument in a longitudinal cohort study: a review and validation study


The Short Form 36-Item (SF-36) Health Survey has been included in ALSWH since its inception in 1996. The SF-36 is frequently used by ALSWH researchers as both a predictive factor as well as an outcome measure. Due to this extensive use, it is important to ensure that the SF-36 continues to be a reliable, robust measure of its intended constructs. After more than two decades of use in the surveys, it is timely to review the performance and properties of the SF-36 measures across the original cohorts recruited in 1996.