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Slower respiration rate is associated with higher self-reported well-being after wellness training

Tammi R. A. Kral, Helen Y. Weng, Vikramjit Mitra, Ted Imhoff‐Smith, Erdrin Azemi, Robin I. Goldman, Melissa A. Rosenkranz, Sarah Wu, Andrew C.N. Chen, Richard J. Davidson

Scientific Reports September 24, 2023 DOI: 10.1038/s41598-023-43176-w (opens in new tab)

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Study at a glance

AI-extracted from the abstract
Characteristics Randomized controlled trial Preregistered Peer reviewed
Sample size 245
Population Adults aged 18 to 65, including experienced meditators and meditation-naïve participants
Intervention Mindfulness-based stress reduction
Duration Post-intervention and long-term follow-up
Topics Meditation
Keywords Distress Randomized controlled trial Physical therapy Mindfulness-based stress reduction Psychological intervention Clinical psychology
Citations 25
Key findings Lower resting respiration rate was associated with lower psychological distress among long-term meditators, and MBSR decreased RR compared to waitlist, with decreased RR linked to fewer medical symptoms across all participants.

Abstract

Mind-body interventions such as mindfulness-based stress reduction (MBSR) may improve well-being by increasing awareness and regulation of physiological and cognitive states. However, it is unclear how practice may alter long-term, baseline physiological processes, and whether these changes reflect improved well-being. Using respiration rate (RR), which can be sensitive to effects of meditation, and 3 aspects of self-reported well-being (psychological well-being [PWB], distress, and medical symptoms), we tested pre-registered hypotheses that: (1) Lower baseline RR (in a resting, non-meditative state) would be a physiological marker associated with well-being, (2) MBSR would decrease RR, and (3) Training-related decreases in RR would be associated with improved well-being. We recruited 245 adults (age range = 18-65, M = 42.4): experienced meditators (n = 42), and meditation-naïve participants randomized to MBSR (n = 72), active control (n = 41), or waitlist control (n = 66). Data were collected at pre-randomization, post-intervention (or waiting), and long-term follow-up. Lower baseline RR was associated with lower psychological distress among long-term meditators (p* = 0.03, b = 0.02, 95% CI [0.01, 0.03]), though not in non-meditators prior to training. MBSR decreased RR compared to waitlist (p = 0.02, Cohen's d = - 0.41, 95% CI [- 0.78, - 0.06]), but not the active control. Decreased RR related to decreased medical symptoms, across all participants (p* = 0.02, b = 0.57, 95% CI [0.15, 0.98]). Post-training, lower RR was associated with higher PWB across training groups compared to waitlist (p* = 0.01, b = 0.06, 95% CI [0.02, 0.10]), though there were no significant differences in change in PWB between groups. This physiological marker may indicate higher physical and/or psychological well-being in those who engage in wellness practices.

Comparable studies

Other randomized controlled trials on meditation, most cited first.

Study Year Design Participants
Alterations in Brain and Immune Function Produced by Mindfulness Meditation Healthy employees in a work environment 2003 Randomized controlled trial n = 41
Prevention of relapse/recurrence in major depression by mindfulness-based cognitive therapy. Recovered recurrently depressed patients 2000 Randomized controlled trial n = 145
Open hearts build lives: Positive emotions, induced through loving-kindness meditation, build consequential personal resources. Working adults 2008 Randomized controlled trial n = 139
Short-term meditation training improves attention and self-regulation Undergraduate Chinese students 2007 Randomized controlled trial n = 40
Mindfulness-Based Cognitive Therapy for Depression: Replication and Exploration of Differential Relapse Prevention Effects. Recovered recurrently depressed patients 2004 Randomized controlled trial n = 73

Citations in the library

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