A meta-analysis of mindfulness-based stress reduction (MBSR) interventions in healthy individuals
Originally Published In
American Public Health Association Annual Meeting, Chicago, Illinois, USA.
Mindfulness-based stress reduction (MBSR) as an intervention is gaining popularity in Integrative Medicine. It is being used for both healthy and clinical populations. The purpose of this study was to assess the efficacy of MBSR interventions implemented with apparently healthy populations. The methodology entailed conducting a systematic review and meta-analysis of studies published in Medline, CINAHL, and Alt HealthWatch databases from the first available date until September 19, 2014. A total of 29 studies (n = 2,668) met the inclusion criteria. The results that included effect-size estimates found that MBSR interventions were moderately effective in pre-post analyses (n = 26; Hedge’s g = .55; 95% CI [.44, .66], p < .00001) and in between group analyses (n = 18; Hedge’s g = .53; 95% CI [.41, .64], p < .00001). The obtained results were maintained at follow-up (n = 8; Hedge’s g = .66 for pre-post analyses; n = 4; Hedge’s g = .53, p = .08). Results also found large effects on measures pertaining to depression, stress, anxiety, and distress, moderate effects on measures of quality of life, mindfulness, and compassion, and small effects on measures of burnout. When combined, mindfulness and compassion strongly moderated the clinical effect size. However, heterogeneity was significant among the trials, probably due to differences in study designs, the implemented MBSR protocol, and the assessed outcomes. MBSR interventions are moderately to largely effective in reducing depression, anxiety, stress, distress and improving the quality of life of healthy participants.
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Implementation of health education strategies, interventions and programs
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