• Adam P Goode, Shannon Stark Taylor, Susan N Hastings, Catherine Stanwyck, Cynthia J Coffman, and Kelli D Allen.
• Department of Orthopedic Surgery, Duke Clinical Research Institute, Duke University Medical Center, 2200 W. Main St, Durham, NC 27703 (USA).
• Phys Ther. 2018 May 1; 98 (5): 369-380.

BackgroundChronic low back pain (CLBP) is highly prevalent in older adults, leading to functional decline.ObjectiveThe objective of this study was to evaluate physical activity (PA) only and PA plus cognitive-behavioral therapy for pain (CBT-P) among older adult veterans with CLBP.DesignThis study was a pilot randomized trial comparing a 12-week telephone-supported PA-only intervention group (PA group) or PA plus CBT-P intervention group (PA + CBT-P group) and a wait-list control group (WL group).SettingThe study setting was the Durham Veterans Affairs Health Care System.ParticipantsThe study participants were 60 older adults with CLBP.InterventionsThe PA intervention included stretching, strengthening, and aerobic activities; CBT-P covered activity pacing, relaxation techniques, and cognitive restructuring.MeasurementsFeasibility measures included enrollment and completion metrics; acceptability was measured by completed phone calls. Primary outcomes included the Timed "Up & Go" Test and the PROMIS Health Assessment Questionnaire. Generalized linear mixed models were used to estimate changes within and between groups. Effect sizes were calculated with the Cohen d. Adverse effects were measured by self-report.ResultsThe mean participant age was 70.3 years; 53% were not white, and 93% were men. Eighty-three percent of participants completed the study, and the mean number of completed phone calls was 10 (of 13). Compared with the results for the WL group, small to medium treatment effects were found for the intervention groups in the Timed "Up & Go" Test (PA group: -2.94 [95% CI = -6.24 to 0.35], effect size = -0.28; PA + CBT-P group: -3.26 [95% CI = -6.69 to 0.18], effect size = -0.31) and the PROMIS Health Assessment Questionnaire (PA group: -6.11 [95% CI = -12.85 to 0.64], effect size = -0.64; PA + CBT-P group: -4.10 [95% CI = -11.69 to 3.48], effect size = -0.43). Small treatment effects favored PA over PA + CBT-P. No adverse effects were noted.LimitationsThis was a pilot study, and a larger study is needed to verify the results.ConclusionsThis pilot trial demonstrated that home-based telephone-supported PA interventions were feasible, acceptable, and safe for older adult veterans. The results provide support for a larger trial investigating these interventions.

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