Mindfulness is Associated with Treatment Response from Non-Pharmacological Exercise Interventions in Knee Osteoarthritis

Publication date: Available online 12 May 2017
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Augustine C. Lee, William F. Harvey, Lori Lyn Price, Xingyi Han, Jeffrey B. Driban, John B. Wong, Mei Chung, Timothy E. McAlindon, Chenchen Wang
ObjectiveTo examine the association between baseline mindfulness and response from exercise interventions in knee osteoarthritis (OA).DesignCohort Study; Responder analysis of a clinical trial subsetSettingUrban tertiary care academic hospitalParticipants86 participants with symptomatic, radiographic knee OA (mean age, 60 years; 74% female; 48% white)Interventions12 weeks (twice per week) of Tai Chi or Physical Therapy exerciseMain Outcome Measure(s)Treatment response was defined using Osteoarthritis Research Society International criteria indicating meaningful improvements in the Western Ontario and McMaster Osteoarthritis Index (WOMAC) pain, function, or Patient Global Assessment scores. At baseline, participants completed the Five Facet Mindfulness Questionnaire (FFMQ; mean total score ±SD: 142±17) and were grouped into three categories of total mindfulness: higher, medium, or lower. Relative risk (RR) ratios were used to compare treatment response across groups.ResultsParticipants with higher total mindfulness appeared to be 38% (95% CI: 1.05, 1.83) more likely to meet responder criteria than those with lower mindfulness. We found no significant difference between medium and lower mindfulness groups (RR=1.0; 95% CI: 0.69, 1.44). Among the 5 mindfulness facets, medium Acting-with–Awareness was 46% (95% CI: 1.09, 1.96) more likely to respond than lower Acting-with–Awareness, and higher Acting-with–Awareness was 34% more likely to respond, but this did not reach significance (95% CI: 0.97, 1.86).ConclusionsIn this study, higher mindfulness, primarily driven by its Acting-with-Awareness facet, was significantly associated with a greater likelihood of response to non-pharmacological exercise interventions in knee OA. This suggests that mindfulness-cultivating interventions may increase the likelihood of response from exercise.



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