Efficacy of 8-and 4-Session Mindfulness-Based Interventions in a Non-clinical Population: A Controlled Study

Efficacy of 8-and 4-Session Mindfulness-Based Interventions in a Non-clinical Population: A Controlled Study

Author Demarzo, Marcelo Autor UNIFESP Google Scholar
Montero-Marin, Jesus Google Scholar
Puebla-Guedea, Marta Google Scholar
Navarro-Gil, Mayte Google Scholar
Herrera-Mercadal, Paola Google Scholar
Moreno-Gonzalez, Sergio Google Scholar
Calvo-Carrion, Sandra Google Scholar
Bafaluy-Franch, Laura Google Scholar
Garcia-Campayo, Javier Google Scholar
Abstract Background: Many attempts have been made to abbreviate mindfulness programmes in order to make them more accessible for general and clinical populations while maintaining their therapeutic components and efficacy. The aim of this study was to assess the efficacy of an 8-week mindfulness-based intervention (MBI) programme and a 4-week abbreviated version for the improvement of well-being in a non-clinical population. Method: A quasi-experimental, controlled, pilot study was conducted with pre-post and 6-month follow-up measurements and three study conditions (8- and 4-session MBI programmes and a matched no-treatment control group, with a sample of 48, 46, and 47 participants in each condition, respectively). Undergraduate students were recruited, and mindfulness, positive and negative affect, self-compassion, resilience, anxiety, and depression were assessed. Mixed-effects multi-level analyses for repeated measures were performed. Results: The intervention groups showed significant improvements compared to controls in mindfulness and positive affect at the 2- and 6-month follow-ups, with no differences between 8- vs. 4-session programmes. The only difference between the abbreviated MBI vs. the standard MBI was found in self-kindness at 6 months, favoring the standard MBI. There were marginal differences in anxiety between the controls vs. the abbreviated MBI, but there were differences between the controls vs. the standard MBI at 2- and 6-months, with higher levels in the controls. There were no differences in depression between the controls vs. the abbreviated MBI, but differences were found between the controls vs. the standard MBI at 2- and 6-months, favoring the standard MBI. There were no differences with regard to negative affect and resilience. Conclusion: To our knowledge, this is the first study to directly investigate the efficacy of a standard 8-week MBI and a 4-week abbreviated protocol in the same population. Based on our findings, both programmes performed better than controls, with similar effect size (ES). The efficacy of abbreviated mindfulness programmes may be similar to that of a standard MBI programme, making them potentially more accessible for a larger number of populations. Nevertheless, further studies with more powerful designs to compare the non-inferiority of the abbreviated protocol and addressing clinical populations are warranted.
Keywords mindfulness
mindfulness-based interventions
abbreviated programmes
Language English
Sponsor CNPq (Brazil) at the University of Zaragoza, Spain
Network for Prevention and Health Promotion in primary Care grant from the Instituto de Salud Carlos III of the Ministry of Economy and Competitiveness (Spain)
European Union ERDF funds (FEDER "Una manera de hacer Europa")
Grant number Instituto de Salud Carlos III: RD12/0005/0006
Date 2017
Published in Frontiers In Psychology. Lausanne, v. 8, p. -, 2017.
ISSN 1664-1078 (Sherpa/Romeo, impact factor)
Publisher Frontiers Media Sa
Extent -
Origin http://dx.doi.org/10.3389/fpsyg.2017.01343
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000407366600001
URI http://repositorio.unifesp.br/handle/11600/51397

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