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Mindfulness (N Y). 2017 Jun;8(3):728-736. doi: 10.1007/s12671-016-0650-5. Epub 2017 Jan 10.

The shape of change in perceived stress, negative affect, and stress sensitivity during mindfulness-based stress reduction.

Author information

1
Interdisciplinary Center Psychopathology and Emotion regulation, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
2
Department of Psychiatry & Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.
3
The Methodology Center, The Pennsylvania State University, State College (PA), the United States of America.
4
Department of Medical and Clinical Psychology, Center of Research on Psychology in Somatic disease (CoRPS), Tilburg University, Tilburg, the Netherlands.

Abstract

Both daily stress and the tendency to react to stress with heightened levels of negative affect (i.e., stress sensitivity) are important vulnerability factors for adverse mental health outcomes. Mindfulness-based stress reduction (MBSR) may help to reduce perceived daily stress and stress sensitivity. The purpose of this study was to examine how change in perceived stress, negative affect (NA), and the decoupling between perceived stress and NA evolved over the course of a MBSR program, without making any a priori assumptions on the shape of change. Seventy-one adults from the general population participating in MBSR provided daily diary assessments of perceived stress and NA during MBSR. The time-varying effect model (TVEM) indicated that perceived stress and NA decreased in a linear fashion rather than in a non-linear fashion, both as a function of time and as a function of the cumulative number of days of mindfulness practice. Both TVEM and multilevel growth modeling showed that the association between perceived stress and NA did not decrease over the course of MBSR. The findings support the hypothesis that MBSR reduces NA and also reduces the extent to which individuals perceive their days as stressful. Also, the results suggest that there is a dose-response relationship between the amount of mindfulness practice and reductions in daily stress and NA.

KEYWORDS:

Daily diary studies; emotional regulation; intensive longitudinal methods; mindfulness; stress reactivity; time-varying effect model

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