• Dori E Rosenberg, Charles H Bombardier, Samantha Artherholt, Mark P Jensen, and Robert W Motl.
• Group Health Research Institute, Seattle, WA 98101, USA. rosenberg.d@ghc.org
• Arch Phys Med Rehabil. 2013 Apr 1;94(4):731-6.

ObjectiveTo test hypothesized associations between depression and physical activity among adults with multiple sclerosis (MS), spinal cord injury (SCI), muscular dystrophy (MD), and postpolio syndrome (PPS).DesignCross-sectional survey.SettingSurvey responses collected from individuals in the Washington state area (participants with SCI) and across the United States (participants with MS, MD, and PPS).ParticipantsConvenience sample of participants were surveyed (N=1676; MD, n=321; PPS, n=388; MS, n=556; SCI, n=411).InterventionsNot applicable.Main Outcome MeasuresThe Patient Health Questionnaire-9 (PHQ-9) assessing depressive symptoms and the International Physical Activity Questionnaire (IPAQ) and Godin Leisure Time Exercise Questionnaire (GLTEQ) assessing physical activity.ResultsThe average age was 56 years, 64% were women, 92% were white, 86% had a high school degree or higher, and 56% walked with an assistive device or had limited self-mobility. The IPAQ and GLTEQ explained a small but statistically significant and unique amount of the variance in PHQ-9 scores in all diagnostic groups, with no significant differences in the relation by condition, age, or mobility status (IPAQ R(2)=.004; GLTEQ R(2)=.02; both P<.02).ConclusionsBoth physical activity measures demonstrated a small but statistically significant association with depression in all 4 diagnostic groups. Research is needed to determine longitudinal relations and whether physical activity interventions could promote improved mood in adults with physical disabilities.Copyright © 2013 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

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