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Article ; Online: Understanding disease-specific and non-specific factors predicting disordered eating in adults with coeliac disease.

Fraser, Carley N / Möller, Stephan P / Knowles, Simon R

2021 Volume 168, Page(s) 105744

Abstract: An adverse relationship between coeliac disease and the development of disordered eating patterns is well established. The aim of this study was to replicate and extend Satherley et al.'s (2016) study exploring coeliac-specific and non-specific factors ... ...

Abstract	An adverse relationship between coeliac disease and the development of disordered eating patterns is well established. The aim of this study was to replicate and extend Satherley et al.'s (2016) study exploring coeliac-specific and non-specific factors predicting disordered eating. An online survey was completed by 187 adults with coeliac disease (90.4% female; Mean age = 48.92; Mean years living with coeliac disease = 11.86). Results indicated that greater disordered eating correlated with being female, poorer dietary adherence, greater gastrointestinal and psychological symptoms, and more coeliac-related food concerns. Hierarchical regression analyses found that psychological distress remained the only predictor of disordered eating when both coeliac-specific and non-specific factors were considered. Age, body mass index, psychological distress, years with coeliac disease and dietary nonadherence were found to significantly predict binge eating severity. The findings suggest that psychological distress is a risk factor for disordered eating in coeliac disease and that binge eating behaviours may be a particularly relevant factor for dietary nonadherence in those living with coeliac disease.
MeSH term(s)	Adult ; Bulimia ; Celiac Disease/complications ; Feeding and Eating Disorders/complications ; Female ; Humans ; Male ; Middle Aged ; Psychological Distress ; Surveys and Questionnaires
Language	English
Publishing date	2021-10-08
Publishing country	England
Document type	Journal Article
ZDB-ID	1461347-5
ISSN	1095-8304 ; 0195-6663
ISSN (online)	1095-8304
ISSN	0195-6663
DOI	10.1016/j.appet.2021.105744
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Article: Understanding disease-specific and non-specific factors predicting disordered eating in adults with coeliac disease

Fraser, Carley N. / Möller, Stephan P. / Knowles, Simon R.

Appetite. 2022 Jan. 01, v. 168

2022

Abstract: An adverse relationship between coeliac disease and the development of disordered eating patterns is well established. The aim of this study was to replicate and extend Satherley et al.‘s (2016) study exploring coeliac-specific and non-specific factors ... ...

Abstract	An adverse relationship between coeliac disease and the development of disordered eating patterns is well established. The aim of this study was to replicate and extend Satherley et al.‘s (2016) study exploring coeliac-specific and non-specific factors predicting disordered eating. An online survey was completed by 187 adults with coeliac disease (90.4% female; Mean age = 48.92; Mean years living with coeliac disease = 11.86). Results indicated that greater disordered eating correlated with being female, poorer dietary adherence, greater gastrointestinal and psychological symptoms, and more coeliac-related food concerns. Hierarchical regression analyses found that psychological distress remained the only predictor of disordered eating when both coeliac-specific and non-specific factors were considered. Age, body mass index, psychological distress, years with coeliac disease and dietary nonadherence were found to significantly predict binge eating severity. The findings suggest that psychological distress is a risk factor for disordered eating in coeliac disease and that binge eating behaviours may be a particularly relevant factor for dietary nonadherence in those living with coeliac disease.
Keywords	appetite ; body mass index ; celiac disease ; distress ; females ; gastrointestinal system ; risk factors ; surveys
Language	English
Dates of publication	2022-0101
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	764440-1
ISSN	0195-6663
ISSN	0195-6663
DOI	10.1016/j.appet.2021.105744
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Quality of life in coeliac disease: relationship between psychosocial processes and quality of life in a sample of 1697 adults living with coeliac disease.

Möller, Stephan P / Apputhurai, Pragalathan / Tye-Din, Jason A / Knowles, Simon R

Journal of psychosomatic research

2021 Volume 151, Page(s) 110652

Abstract: Background: Coeliac disease is a chronic gastrointestinal condition associated with an increased risk of psychiatric comorbidity, and diminished quality of life. Ongoing gastrointestinal symptomatology is frequently reported post-diagnosis, despite ... ...

Abstract	Background: Coeliac disease is a chronic gastrointestinal condition associated with an increased risk of psychiatric comorbidity, and diminished quality of life. Ongoing gastrointestinal symptomatology is frequently reported post-diagnosis, despite undertaking a gluten-free diet. Purpose: To examine the role of psychosocial factors in mediating the relationship between gastrointestinal symptoms and quality of life, using a cross-sectional structural equation modelling mediation analysis guided by the Common-Sense Model. Methods: 1697 adults with coeliac disease (83.1% female, mean age = 55.79, SD = 14.98 years) completed an online questionnaire. Measures included gluten-free diet adherence, gastrointestinal symptoms, illness perceptions, coping, gastrointestinal-specific anxiety, pain catastrophising, psychological flexibility, psychological distress, and quality of life. Results: A structural equation model was developed explaining 50.6% of the variation in quality of life and demonstrating good fit (χ2 (2) = 8.54, p = .014, χ2/N = 4.27, RMSEA = 0.04, SRMR = 0.01, CFI = 0.999, TLI = 0.98, GFI = 0.999). Gastrointestinal symptoms directly affected quality of life, and indirectly, via negative illness perceptions, maladaptive coping, pain catastrophising, and psychological distress. Conclusion: Psychosocial processes may affect adjustment in coeliac disease by mediating the relationship between gastrointestinal symptoms and quality of life. Individuals living with coeliac disease may benefit from interventions targeting maladaptive psychosocial factors.
MeSH term(s)	Adaptation, Psychological ; Adult ; Anxiety ; Celiac Disease ; Cross-Sectional Studies ; Diet, Gluten-Free ; Female ; Humans ; Male ; Middle Aged ; Quality of Life ; Surveys and Questionnaires
Language	English
Publishing date	2021-10-24
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	80166-5
ISSN	1879-1360 ; 0022-3999
ISSN (online)	1879-1360
ISSN	0022-3999
DOI	10.1016/j.jpsychores.2021.110652
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Article ; Online: Prevalence and Impact of Post-traumatic Stress Disorder in Gastrointestinal Conditions: A Systematic Review.

Glynn, Heidi / Möller, Stephan P / Wilding, Helen / Apputhurai, Pragalathan / Moore, Gregory / Knowles, Simon R

Digestive diseases and sciences

2021 Volume 66, Issue 12, Page(s) 4109–4119

Abstract: Psychological distress is often observed in patients with gastrointestinal illness. To date, there has been limited research conducted to assess the prevalence and impact of post-traumatic stress disorder (PTSD) in gastrointestinal cohorts. The aim of ... ...

Abstract	Psychological distress is often observed in patients with gastrointestinal illness. To date, there has been limited research conducted to assess the prevalence and impact of post-traumatic stress disorder (PTSD) in gastrointestinal cohorts. The aim of this systematic review is to review the evidence for the prevalence of PTSD in gastrointestinal cohorts versus comparator groups (healthy controls and chronic illness groups), predictive factors associated with the development and management of PTSD and the impact on patient outcomes. Adult studies were identified through systematic searches of eight databases (MEDLINE, Embase, Emcare, PsycINFO, Ovid Nursing, CINAHL, Informit Health Collection, and Cochrane Library) in February 2020. The overall pooled prevalence rate of PTSD in GI cohorts was 36%; however, the prevalence rate in non-veteran-specific gastrointestinal cohorts of 18% across all GI classification groups is likely to be the more representative rate. The non-gastrointestinal chronic illness cohort PTSD prevalence rate was 11%. Predictors identified in the development of post-traumatic stress in gastrointestinal cohorts include: female gender, poor social support, life adversity, subjective pain, and dietary choices. Post-traumatic stress was found to exacerbate gastrointestinal symptoms in a Crohn's Disease sample, whereby disease exacerbation was four times in those who met the criteria for probable PTSD. Post-traumatic stress symptoms affect around one in five individuals (non-veteran status) with a gastrointestinal condition. Further research is needed to understand the psychological and biological mechanisms by which PTSD increases the risk of developing and exacerbating gastrointestinal symptoms.
MeSH term(s)	Female ; Gastrointestinal Diseases/diagnosis ; Gastrointestinal Diseases/epidemiology ; Gastrointestinal Diseases/psychology ; Gastrointestinal Diseases/therapy ; Humans ; Male ; Prevalence ; Prognosis ; Risk Assessment ; Risk Factors ; Stress Disorders, Post-Traumatic/diagnosis ; Stress Disorders, Post-Traumatic/epidemiology ; Stress Disorders, Post-Traumatic/psychology ; Stress Disorders, Post-Traumatic/therapy
Language	English
Publishing date	2021-01-12
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Systematic Review
ZDB-ID	304250-9
ISSN	1573-2568 ; 0163-2116
ISSN (online)	1573-2568
ISSN	0163-2116
DOI	10.1007/s10620-020-06798-y
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Article ; Online: Longitudinal assessment of the common sense model before and during the COVID-19 pandemic: A large coeliac disease cohort study.

Möller, Stephan P / Apputhurai, Pragalathan / Tye-Din, Jason A / Knowles, Simon R

Journal of psychosomatic research

2021 Volume 153, Page(s) 110711

Abstract: Objective: Psychosocial factors likely play a substantial role in the well-being of those living with coeliac disease, especially during the COVID-19 pandemic, however, little research has examined well-being in this cohort using an integrated socio- ... ...

Abstract	Objective: Psychosocial factors likely play a substantial role in the well-being of those living with coeliac disease, especially during the COVID-19 pandemic, however, little research has examined well-being in this cohort using an integrated socio-cognitive model. This study had two aims: (1) Examine changes in gastrointestinal symptoms, psychosocial factors, and well-being outcomes (i.e., psychological distress, quality of life [QoL]) associated with the pandemic, (2) Examine the interrelationship of these variables across timepoints using the Common Sense Model (CSM). Methods: 1697 adults with coeliac disease (Time 1, pre-pandemic; 83.1% female, mean age = 55.8, SD = 15.0 years) and 674 follow-up participants (Time 2, pandemic; 82.8% female, mean age = 57.0, SD = 14.4 years) completed an online questionnaire. Hypotheses were tested using repeated measures MANOVA and cross-lagged panel model analyses. Results: Participants reported improved QoL, and reduced gastrointestinal symptoms, negative illness perceptions and maladaptive coping from pre-pandemic to during the pandemic. There was no significant change in pain catastrophising or psychological distress. Cross-lagged effects showed gastrointestinal symptoms to predict negative illness perceptions, which in turn were predictive of poorer outcomes across all variables except pain catastrophising. Consistent with the CSM, there was a reciprocal relationship between illness perceptions and QoL over time. Maladaptive coping and pain catastrophising demonstrated limited predictive utility. Conclusion: The COVID-19 pandemic appears to have had a small beneficial effect across several indices of well-being among adults with coeliac disease. Cross-lagged relationships highlight illness perceptions as a predictor of well-being outcomes and a potential target for psychosocial interventions.
MeSH term(s)	Adaptation, Psychological ; Adult ; COVID-19 ; Celiac Disease/epidemiology ; Cohort Studies ; Female ; Humans ; Male ; Middle Aged ; Pandemics ; Quality of Life ; SARS-CoV-2
Language	English
Publishing date	2021-12-24
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	80166-5
ISSN	1879-1360 ; 0022-3999
ISSN (online)	1879-1360
ISSN	0022-3999
DOI	10.1016/j.jpsychores.2021.110711
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Article ; Online: Exploring the Impact of Covid-19-Related Perceptions on Psychological Distress and Quality of Life in an International Gastrointestinal Cohort Over Time Guided by the Common Sense Model.

Knowles, Simon R / Möller, Stephan P / Stengel, Andreas / Mikocka-Walus, Antonina / Ferreira, Nuno / Trindade, Inês A / Mokrowiecka, Anna / Burisch, Johan / Barreiro-de Acosta, Manuel / Bernstein, Charles N / Lo, Bobby / Skvarc, David

Journal of clinical psychology in medical settings

2023 Volume 30, Issue 4, Page(s) 804–820

Abstract: The aim of this longitudinal study was to examine changes in COVID-19 and illness-related perceptions, gastrointestinal symptoms, coping, catastrophising, psychological distress, and QoL during the COVID-19 pandemic. A total of 831 adults with a ... ...

Abstract	The aim of this longitudinal study was to examine changes in COVID-19 and illness-related perceptions, gastrointestinal symptoms, coping, catastrophising, psychological distress, and QoL during the COVID-19 pandemic. A total of 831 adults with a gastrointestinal condition completed an online questionnaire at baseline (May-October 2020). Of those, 270 (32.5%) participants (85.2% female, mean age = 47.3 years) provided follow-up data (March-May 2021). Repeated-measures multiple analysis of variance and a cross-lagged panel model were used to test the study hypotheses. Gastrointestinal symptoms and COVID-19 perceptions at follow-up were strongly predicted by their baseline values, while illness perceptions were predicted by baseline gastrointestinal symptoms. Cross-lagged relationships indicated a reciprocal relationship between gastrointestinal symptoms and psychological distress. Moreover, gastrointestinal symptoms had substantial predictive utility, strongly predicting future gastrointestinal symptoms, and to a lesser extent, more negative illness perceptions, greater psychological distress, and greater use of adaptive coping strategies across time.
MeSH term(s)	Adult ; Humans ; Female ; Middle Aged ; Male ; Stress, Psychological/psychology ; Quality of Life/psychology ; Longitudinal Studies ; Pandemics ; COVID-19 ; Adaptation, Psychological ; Psychological Distress ; Surveys and Questionnaires
Language	English
Publishing date	2023-01-24
Publishing country	United States
Document type	Journal Article
ZDB-ID	1235893-9
ISSN	1573-3572 ; 1068-9583
ISSN (online)	1573-3572
ISSN	1068-9583
DOI	10.1007/s10880-023-09937-5
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Article ; Online: Systematic review: Exploration of the impact of psychosocial factors on quality of life in adults living with coeliac disease.

Möller, Stephan P / Hayes, Bree / Wilding, Helen / Apputhurai, Pragalathan / Tye-Din, Jason A / Knowles, Simon R

Journal of psychosomatic research

2021 Volume 147, Page(s) 110537

Abstract: Background: Individuals living with coeliac disease generally experience a remission of symptoms after adopting the gluten-free diet but often report substantial treatment burden and ongoing quality of life issues. Psychosocial factors have been ... ...

Abstract	Background: Individuals living with coeliac disease generally experience a remission of symptoms after adopting the gluten-free diet but often report substantial treatment burden and ongoing quality of life issues. Psychosocial factors have been suggested to play a significant role in post-diagnosis quality of life but have yet to be systematically reviewed. Aim: To review the evidence for psychosocial factors associated with quality of life in adult coeliac disease cohorts. Methods: Studies were identified via systematic searches of eight databases (MEDLINE, Embase, Emcare, PsycINFO, Ovid Nursing, CINAHL, Informit Health Collection, Cochrane Library) in May 2019. Results: Fourteen studies were included involving 3372 participants (80.2% female, mean age = 46.4 years). Symptoms of depression and anxiety were the most examined psychosocial factors across all studies. Quality of life was differentially associated with psychological distress, illness perceptions, coping, and attitudes/behaviours regarding food and the gluten-free diet. Conclusion: Several psychosocial factors are associated with quality of life in adults living with coeliac disease. Current evidence suggests these factors are interrelated and may influence quality of life directly, via reduced psychological well-being, and indirectly, via reduced adherence to the gluten-free diet. Future research is needed to examine these processes concurrently, with the aim of elucidating the psychosocial mechanisms underlying post-diagnosis well-being and identifying potential targets for psychosocial intervention.
MeSH term(s)	Adaptation, Psychological ; Adult ; Anxiety ; Celiac Disease ; Diet, Gluten-Free ; Female ; Humans ; Male ; Middle Aged ; Quality of Life
Language	English
Publishing date	2021-05-28
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Systematic Review
ZDB-ID	80166-5
ISSN	1879-1360 ; 0022-3999
ISSN (online)	1879-1360
ISSN	0022-3999
DOI	10.1016/j.jpsychores.2021.110537
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Article: Exploring the impact of Covid-19-related perceptions on psychological distress and quality of life in an international gastrointestinal cohort over time guided by the common sense model

Knowles, Simon R. / Möller, Stephan P. / Stengel, Andreas / Mikocka-Walus, Antonina / Ferreira, Nuno / Trindade, Inês A. / Mokrowiecka, Anna / Burisch, Johan / Barreiro-de Acosta, Manuel / Bernstein, Charles N. / Lo, Bobby / Skvarc, David

Journal of Clinical Psychology in Medical Settings

2023 , Page(s) 1–17

Title translation	Untersuchung der Auswirkungen von Covid-19-bezogenen Wahrnehmungen auf psychischen Distress und Lebensqualität in einer internationalen gastrointestinalen Kohorte im Laufe der Zeit anhand des Modells des gemeinsamen Verständnisses
Abstract	The aim of this longitudinal study was to examine changes in COVID-19 and illness-related perceptions, gastrointestinal symptoms, coping, catastrophising, psychological distress, and QoL during the COVID-19 pandemic. A total of 831 adults with a gastrointestinal condition completed an online questionnaire at baseline (May-October 2020). Of those, 270 (32.5%) participants (85.2% female, mean age = 47.3 years) provided follow-up data (March-May 2021). Repeated-measures multiple analysis of variance and a cross-lagged panel model were used to test the study hypotheses. Gastrointestinal symptoms and COVID-19 perceptions at follow-up were strongly predicted by their baseline values, while illness perceptions were predicted by baseline gastrointestinal symptoms. Cross-lagged relationships indicated a reciprocal relationship between gastrointestinal symptoms and psychological distress. Moreover, gastrointestinal symptoms had substantial predictive utility, strongly predicting future gastrointestinal symptoms, and to a lesser extent, more negative illness perceptions, greater psychological distress, and greater use of adaptive coping strategies across time.
Keywords	Bewältigungsstil ; Bewältigungsverhalten ; COVID-19 ; Catastrophizing ; Coping Behavior ; Coping Style ; Distress ; Emotionale Belastung ; Gastrointestinal Disorders ; Gastrointestinale Störungen ; Gesundheitsbewusstsein ; Health Awareness ; Katastrophisieren ; Lebensqualität ; Pandemics ; Pandemie ; Psychischer Stress ; Psychological Stress ; Quality of Life ; Selbstwahrnehmung ; Self-Perception
Language	English
Document type	Article
ZDB-ID	1235893-9
ISSN	1068-9583
ISSN	1068-9583
DOI	10.1007/s10880-023-09937-5
Database	PSYNDEX

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