期刊
JOURNAL OF HUMAN NUTRITION AND DIETETICS
卷 29, 期 3, 页码 391-398出版社
WILEY
DOI: 10.1111/jhn.12321
关键词
adherence behaviour; coeliac disease; gluten-free diet; psychosocial
资金
- HSS Seed Grant from the Faculty of Education at The University of British Columbia
- CIHR
- Michael Smith Foundation Health Research awards
BackgroundCoeliac disease is a chronic autoimmune disease that requires strict adherence to a gluten-free diet. However, strict adherence to a gluten-free diet is difficult, with findings from a recent review suggesting that up to 42% of individuals with coeliac disease do not eat a strict gluten-free diet. MethodsThe present study aimed to examine psychosocial predictors of adherence (purposeful and accidental) to a gluten-free diet among adults with coeliac disease over a 1-month period. In this longitudinal study, 212 North American adults with coeliac disease completed online questionnaires at two time points, baseline and 1month later. ResultsThe results revealed that intentions partially mediated the effects of symptom severity, self-regulatory efficacy, planning and knowledge on purposeful gluten consumption. Intentions did not mediate the effects of severity, response cost, self-regulatory efficacy, planning and knowledge for accidental gluten consumption but, interestingly, self-regulatory efficacy directly predicted fewer accidental incidents of gluten-consumption. ConclusionsThese findings delineate the differential psychological processes in understanding accidental and purposeful gluten consumption among adults with coeliac disease and emphasise the importance of bolstering self-regulatory efficacy beliefs to prevent accidental and purposeful consumption of gluten.
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