Cited by 113Mindfulness and Compassion InterventionsDigital Mental Health InterventionsPsychotherapy Techniques and Applications

Systematic review and individual participant data meta-analysis of randomized controlled trials assessing mindfulness-based programs for mental health promotion

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Galante, Julieta, Friedrich, Claire, Collaboration of Mindfulness Trials (CoMinT), Aeamla-Or, Napaporn, Arts-de Jong, Marieke, Barrett, Bruce, Bögels, Susan M., Buitelaar, Jan K. +22 more·2023·Nature Mental Health

Abstract

Introduction: Mindfulness-based programmes (MBPs) are widely used to prevent mental ill-health that is becoming the leading global cause of morbidity. Evidence suggests beneficial average effects but wide variability. We aimed to confirm the effect of MBPs on psychological distress, and to understand whether and how baseline distress, gender, age, education, and dispositional mindfulness modify the effect of MBPs on distress among adults in non-clinical settings. Methods: We conducted a pre-registered systematic review and individual participant data (IPD) meta-analysis (PROSPERO CRD42020200117). Thirteen databases were searched in December 2020 for randomised controlled trials satisfying a quality threshold and comparing in-person, expert-defined MBPs in non-clinical settings with passive control groups. Two researchers independently selected, extracted, and appraised trials using the revised Cochrane Risk-of-Bias Tool (RoB2). Anonymised IPD of eligible trials were sought from collaborating authors. The primary outcome was psychological distress (unpleasant mental or emotional experiences including anxiety and depression) at 1 to 6 months after programme completion. Data were checked and imputed if missing. Pairwise, random-effects, two-stage IPD meta-analyses were conducted. Effect modification analyses followed a within-studies approach. Public and professional stakeholders were involved in the planning, conduct and dissemination of this study. Results: Fifteen trials were eligible, 13 trialists shared IPD (2,371 participants representing 8 countries, median age 34 years-old, 71% women, moderately distressed on average, 20% missing outcome data). In comparison with passive control groups, MBPs reduced average distress between one- and six-months post-intervention with a small to moderate effect size (standardised mean difference (SMD) -0.32; 95% confidence interval (CI) -0.41 to -0.24; p-value < 0.001; 95% prediction interval (PI) -0.41 to -0.24 (no heterogeneity)). Results were robust to sensitivity analyses, and similar for the other psychological distress time point ranges. Confidence in the primary outcome result is high. We found no clear indication that this effect is modified by baseline psychological distress, gender, age, education level, or dispositional mindfulness. Conclusions: Group-based teacher-led MBPs generally reduce psychological distress among community adults who volunteer to receive this type of intervention. More research is needed to identify sources of variability in outcomes at an individual level.

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  • Mindfulness-based interventions can reduce depressive symptoms, perceived stress, and rumination among caregivers.

    “Meta-analyses and randomized trials indicate that mindfulness-based interventions can reduce depressive symptoms, perceived stress, and rumination among caregivers (Galante et al., 2023; Kor et al., 2021; Oh et al., 2022)”

    From Mindfulness and rumination: stress pathways for caregivers of persons living with dementia. (2026) · cites this paper as Galante et al., 2023

    The Results (Intervention effects; page unavailable) report that mindfulness-based programs reduced psychological distress compared with passive controls, and the Methods (Outcomes and risk-of-bias assessment; page unavailable) identify perceived stress and depression-related scales among the distress measures. However, the paper reports an overall effect across community adults, not reductions in each named symptom among caregivers; it does not report a reduction in rumination. (LLM, conf=0.84)

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  1. [18]Kabat-Zinn, J. Full Catastrophe Living, Revised Edition: How to Cope with Stress, Pain and Illness Using Mindfulness Meditation 2 edn (Piatkus, 2013).
  2. [64]Aeamla-Or, N. The Effect of Mindfulness-Based Stress Reduction on Stress, Depression, Self-Esteem and Mindfulness in Thai Nursing Students: a Randomised Controlled Trial. PhD thesis, Univ. Newcastle (2015).
  3. [94]Covidence systematic review software (Veritas Health Innovation, 2019).
  4. [103]Galante, J. et al. Individual Participant Data Systematic Review and Meta-analysis of Randomised Controlled Trials Assessing Adult Mindfulness-Based Programmes for Mental Health Promotion in Non-clinical Settings - Electronic Dataset and Code10.17605/OSF.IO/F9UPX (Center for Open Science, 2023). PMC7615230 37867573
  5. [105]Barrett, B. et al. P02.36. Meditation or exercise for preventing acute respiratory infection: a randomized controlled trial. BMC Complement. Altern. Med.10.1370/afm.1376 (2012). PMC3392293 22778122 · DOI · Paper page

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Authors
Galante, J., Friedrich, C., Collaboration of Mindfulness Trials (CoMinT), Aeamla-Or, N., Arts-de Jong, M., Barrett, B., Bögels, S. M., Buitelaar, J. K., Checovich, M. M., Christopher, M. S., Davidson, R. J., Errazuriz, A., Goldberg, S. B., Greven, C. U., Hirshberg, M. J., Huang, S.-L., Hunsinger, M., Hwang, Y.-S., Jones, P. B., Medvedev, O. N., Rosenkranz, M. A., Schellekens, M. P. J., Siebelink, N. M., Singh, N. N., Speckens, A. E. M., Tang, F.-C., Tomfohr-Madsen, L., Dalgleish, T., Jones, P. B., & White, I. R.
Affiliations
  • The University of Melbourne (AU)
  • University of Cambridge (GB)
  • University of Phayao (TH)
  • University of Wisconsin–Madison (US)
  • University of Amsterdam (NL)
  • Radboud University Nijmegen (NL)
  • Pacific University Oregon (US)
  • Chung Shan Medical University Hospital (TW)
  • Australian Catholic University (AU)
  • University of Waikato (NZ)
  • Radboud University Medical Center (NL)
  • Augusta University (US)
  • Chaoyang University of Technology (TW)
  • MRC Cognition and Brain Sciences Unit (GB)
  • MRC Clinical Trials Unit at UCL (GB)
Corresponding author
Galante, Julieta
Venue
Nature Mental Health
Published
2023-07-10
Volume
1
Issue
7
Pages
462-476
ISSN
2731-6076 (ISSN-L)
OpenAlex
W4383815381
Cited by
113
References
116
Citations by year
2026: 43 · 2025: 37 · 2024: 23 · 2023: 9 · 2021: 1
FWCI
5.67
Type
journal article
Language
en
Open access
Locations
  • Nature Mental Health (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • Research portal (Tilburg University) (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UvA-DARE (University of Amsterdam) (submittedVersion, cc-by)
  • Research Commons (University of Waikato) (submittedVersion, cc-by)
  • Greater South Information System
Funders
  • DH | National Institute for Health Research (PDF-2017-10-018, BRC-1215-20014, NA)
  • Cambridgeshire & Peterborough NHS Foundation Trust
  • U.S. Department of Health & Human Services | NIH | National Center for Complementary and Integrative Health (K23AT010879)
  • Hope for Depression Research Foundation
  • RCUK | Medical Research Council (SUAG/043 G101400, MR/N019067/1, MC_UU_00004/06)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
  • Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
  • Social Sciences › Psychology › Clinical Psychology › Psychotherapy Techniques and Applications
Keywords
mental health promotion, psychological distress, anxiety, depression, non-clinical adults, community-based intervention, teacher-led intervention, effect modification, trait mindfulness, gender differences, age and education effects, heterogeneous effects

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