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Dimensions of psychological flexibility and their significance in people with somatic symptoms

The 18-item Flexibility Index Test (FIT-18)

Bibliographic Data

ID7844196
AuthorsTim Y Koppert (0000-0002-3194-6670, Leiden University, The Netherlands), Renée van Hoek (Altrecht Psychosomatic Medicine, The Netherlands), Rinie Geenen (0000-0002-6615-6708, Altrecht Psychosomatic Medicine, The Netherlands)
Year2025
Volume30
Issue7
Pages1444-1459
Publication date2025-06-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueJournal of Health Psychology (JOURNAL)
Journal identifiersISSN: 1359-1053 • E-ISSN: 1461-7277
PublisherSAGE Publications (PUBLISHER • US)
DOI10.1177/13591053241239129
PMID38566361
OpenAlexW4393866736
LanguageEN
References cited38

Psychological flexibility has been hypothesized to preserve health in bad times. We examined whether psychological flexibility as assessed with an abbreviated questionnaire, was indicated to preserve mental and physical health when having somatic symptoms. Principal axis factoring indicated that two dimensions best represented the 60-item Flexibility Index Test (FIT-60) questionnaire: “mindfulness and acceptance” (M&A) and “commitment and behavior change” (C&BC). We selected 18 items that best denoted these dimensions (FIT-18 questionnaire). Regression analyses in 2060 Dutch people with and without persistent somatic symptoms, indicated that the M&A dimension (β = 0.33, p p p

Body mass index · Factoring · Flexibility (engineering · Mental health · Mindfulness · Physical health · Psychiatry · Statistics · Test (biology · Mathematics · Medicine · Mindfulness and Compassion Interventions · Optimism, Hope, and Well-being · Pain Management and Placebo Effect · Psychology · Clinical Psychology

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