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Lumbar Supports to Prevent Recurrent Low Back Pain among Home Care Workers

by Pepijn D.D.M. Roelofs, MSc; Sita M.A. Bierma-Zeinstra, PhD; Mireille N.M. van Poppel, PhD; Petra Jellema, PhD; Sten P. Willemsen, MSc; Maurits W. van Tulder, PhD; Willem van Mechelen, MD, PhD; and Bart W. Koes, PhD | 11/20/2007 9:41:52 AM

ABSTRACT A Randomized Trial Background: People use lumbar supports to prevent low back pain. Secondary analyses from primary preventive studies suggest benefit among workers with previous low back pain, but definitive studies on the effectiveness of supports for the secondary prevention of low back pain are lacking. Objective: To determine the effectiveness of lumbar supports in the secondary prevention of low back pain. Design: Randomized, controlled trial. Setting: Home care organization in the Netherlands. Patients: 360 home care workers with self-reported history of low back pain. Intervention: Short course on healthy working methods, with or without patient-directed use of 1 of 4 types of lumbar support. Measurements: Primary outcomes were the number of days of low back pain and sick leave over 12 months. Secondary outcomes were the average severity of low back pain and function (Quebec Back Pain Disability scale) in the previous week. Results: Over 12 months, participants in the lumbar support group reported an average of –52.7 days (CI, –59.6 to –45.1 days) fewer days with low back pain than participants who received only the short course. However, the total sick days in the lumbar support group did not decrease (–5 days [CI, –21.1 to 6.8 days]). Small but statistically significant differences in pain intensity and function favored lumbar support. Limitations: Study participants were unblinded, and a substantial amount of missing data required imputation. Objective data on sick days due to low back pain were not available. Conclusion: Adding patient-directed use of lumbar supports to a short course on healthy working methods may reduce the number of days when low back pain occurs, but not overall work absenteeism, among home care workers with previous low back pain. Further study of lumbar supports is warranted. 20 November 2007 | Volume 147 Issue 10 | Pages 685-692 For Full Text click on the link below:

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