Gluten free diet adherence in coeliac disease. The role of psychological symptoms in bridging the intention–behaviour gap
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This study examined the potential role of psychological symptoms in limiting the translation of positive intention into strict gluten free diet (GFD) adherence in coeliac disease (CD) within a theory of planned behaviour (TPB) framework. It was hypothesised that participants with more symptomatic psychological profiles would exhibit poorer adherence, primarily in the context of positive intentions. Coeliac disease participants (N = 390) completed online measures of gluten free diet adherence, psychological symptoms, coping behaviour, and TPB items. Intention and behaviour were moderately correlated, confirming the existence of the intention–behaviour gap. Psychological symptoms accounted for additional variance over and above TPB variables in GFD adherence but not intention. Participants who failed to act on their positive intentions displayed more psychological symptoms and greater reliance on maladaptive coping strategies than those with consistent intention–behaviour relationships (p < .01). The heightened incidence of psychological symptoms in CD has a small but significant negative impact on the ability to translate positive intentions into strict adherence. Directions for future research including interventions to improve GFD adherence are discussed.
NOTICE: This is the author’s version of a work that was accepted for publication in Appetite. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Appetite, Vol. 61 (2013). doi: 10.1016/j.appet.2012.11.001
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Gluten free diet adherence in coeliac disease. The role of psychological symptoms in bridging the intention-behaviour gapSainsbury, K.; Mullan, Barbara; Sharpe, L. (2013)This study examined the potential role of psychological symptoms in limiting the translation of positive intention into strict gluten free diet (GFD) adherence in coeliac disease (CD) within a theory of planned behaviour ...
Explaining the intention-behaviour gap in gluten free diet adherence: The moderating roles of habit and perceived behavioural controlKothe, E.; Sainsbury, Kirby; Smith, L.; Mullan, Barbara (2014)Adherence to a strict gluten free diet (GFD) is the only treatment for coeliac disease. Nonetheless, many individuals with the disease struggle to achieve and maintain strict adherence. While the theory of planned behaviour ...
A Randomized Controlled Trial of an Online Intervention to Improve Gluten-Free Diet Adherence in Celiac DiseaseSainsbury, K.; Mullan, Barbara; Sharpe, L. (2013)Objectives: To test the effectiveness of an interactive online intervention to improve gluten free diet adherence in adults with celiac disease. Methods: A Randomized controlled trial was conducted. A total of 189 adults ...