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A Mindfulness‐Based Intervention: Differential Effects on Affective and Processual Evolution

Pascal Antoine, Anne Congard, Eva Andreotti, Bruno Dauvier, Johan Illy, Rollon Poinsot

Applied Psychology: Health and Well-Being September 6, 2018 DOI: 10.1111/aphw.12137 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Non-randomized controlled trial Peer reviewed
Sample size 91
Population French community sample of adults
Dose 20 minutes per day
Duration 6 weeks
Topics Meditation
Citations 22
Key findings A six-week self-help mindfulness program improved anxiety, depression, psychological distress, mindfulness, negative self-oriented cognition, and experiential avoidance relative to a waiting-list control, with effect sizes between .53 and .88. Lower baseline mindfulness predicted greater improvement in mindfulness (r = -0.55). The authors conclude that mindfulness practice yielded positive affective outcomes and that baseline mindfulness competencies may influence improvement potential.

Abstract

Objectives: A 20-minutes-a-day, self-help, mindfulness-based intervention was conducted for 6 weeks with a French community sample. First, the intervention effects on affective and functioning variables were evaluated. Then, a differential approach was used to examine improvement potentiality and the perceived benefits of mindfulness according to the participants' baseline mindfulness competencies.

Method: Participants were non-randomly assigned to a control group on the waiting list (n = 44) or a mindfulness group (n = 47). Self-report measures assessed anxiety, depression, psychological distress, mindfulness, negative self-oriented cognition, and experiential avoidance.

Results: Improvements in the variables were observed for the mindfulness group but not for the control group, with effect sizes ranging between .53 and .88. Low baseline levels of mindfulness predicted greater improvement in mindfulness (r = -0.55, p < .001) than high baseline levels.

Conclusions: Mindfulness practice elicited several positive outcomes regarding affective variables, highlighting emotional functioning changes.

Comparable studies

Other non-randomized and open-label trials on meditation, most cited first.

Study Year Design Participants
Mindfulness-Based Stress Reduction in Relation to Quality of Life, Mood, Symptoms of Stress, and Immune Parameters in Breast and Prostate Cancer Outpatients Early-stage breast and prostate cancer patients 2003 Pre-post intervention study n = 59
Exploring self‐compassion and empathy in the context of mindfulness‐based stress reduction (MBSR) Community sample 2010 Pre-post intervention study
Mindfulness-Based Stress Reduction Lowers Psychological Distress In Medical Students Second-year medical students 2003 Prospective nonrandomized cohort-controlled study n = 302
Intensive meditation training, immune cell telomerase activity, and psychological mediators. Retreat participants and matched controls 2011 Controlled trial with wait-list control group n = 60
The Effectiveness of Mindfulness Training for Children with ADHD and Mindful Parenting for their Parents Children aged 8-12 with ADHD and their parents 2011 Within-group waitlist controlled trial n = 22

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