Louise Bezzina
Accuracy of self-reported physical activity in patients with anorexia nervosa: links with clinical features
Bezzina, Louise; Touyz, Stephen; Young, Sarah; Foroughi, Nasim; Clemes, Stacy; Meyer, Caroline; Arcelus, Jon; Madden, Sloane; Attia, Evelyn; Pike, Kathleen M.; Hay, Phillipa
Authors
Stephen Touyz
Sarah Young
Nasim Foroughi
Stacy Clemes
Caroline Meyer
Jon Arcelus
Sloane Madden
Evelyn Attia
Kathleen M. Pike
Phillipa Hay
Abstract
Background
High levels of physical activity (PA) have long been described in patients with Anorexia Nervosa (AN). Despite the importance of measuring PA in this population, there are two important factors that remain unknown. First, it is not clear how accurate self-report measures of PA are among patients. Second, little is known about how clinical characteristics are associated with the accuracy of self-reported PA. Therefore, this study aimed to examine the accuracy of self-reported PA compared to an objective measure of PA in patients with AN. It also investigated whether levels of accuracy/inaccuracy were associated with compulsive exercise, motivation to change, and psychological distress.
Method
Data were analysed from 34 adult outpatients with AN. Patients wore an accelerometer device (ActiGraph) for 4 days and completed a retrospective self-report measure of exercise (Exercise Participation Screening Questionnaire). They also completed measures of compulsive exercise (Compulsive Exercise Test), motivation to change (The Anorexia Nervosa Stages of Change Questionnaire), and psychological distress (Kessler-10).
Results
On the self-report measure, patients accurately reported their time spent in moderate and vigorous intensity PA, however, they significantly under-reported their light physical activity (compared to the accelerometer data). Accurate reporting of total PA was positively associated with higher levels of compulsive exercise. There was evidence to suggest that clinical features, such as motivation to change and psychological distress, may be associated with inaccurate reporting at some levels of PA intensity and not others.
Conclusions
Results indicate that patients with AN are likely to under-report their light intensity PA. We also found preliminary evidence for how compulsive exercise, motivation to change, and distress are associated with self-reported PA accuracy. Clinical implications and directions for future research are considered.
Citation
Bezzina, L., Touyz, S., Young, S., Foroughi, N., Clemes, S., Meyer, C., …Hay, P. (2019). Accuracy of self-reported physical activity in patients with anorexia nervosa: links with clinical features. Journal of Eating Disorders, 7, Article 28. https://doi.org/10.1186/s40337-019-0258-y
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 1, 2019 |
Online Publication Date | Aug 23, 2019 |
Publication Date | Aug 23, 2019 |
Deposit Date | Jul 16, 2020 |
Publicly Available Date | Mar 29, 2024 |
Journal | Journal of Eating Disorders |
Electronic ISSN | 2050-2974 |
Publisher | Springer Verlag |
Peer Reviewed | Peer Reviewed |
Volume | 7 |
Article Number | 28 |
DOI | https://doi.org/10.1186/s40337-019-0258-y |
Keywords | Nutrition and Dietetics; Behavioral Neuroscience; Psychiatry and Mental health |
Public URL | https://nottingham-repository.worktribe.com/output/4769826 |
Publisher URL | https://jeatdisord.biomedcentral.com/articles/10.1186/s40337-019-0258-y |
Additional Information | Received: 27 February 2019; Accepted: 1 August 2019; First Online: 23 August 2019; : Ethics approval was granted at the Western Sydney University Human Research Ethics Committee in Australia and the National Health Service Research Ethics Committee in the UK, as part of the Health Research Authority.; : All participants provided written informed consent for publication of grouped (not individual or identifying) data.; : ST and PH receive royalties from Routledge, Hogrefe, and Huber and McGraw-Hill publishers for printed contributions on eating disorders. SM received, and PH and ST receive honoraria from Shire Pharmaceuticals. PH received royalties from Oxford University Press and receives sessional fees and lecture fees from the Australian Medical Council, Therapeutic Guidelines publication, and New South Wales Institute of Psychiatry. PH and ST are Editors-in-Chief of this journal, and CM, JA, SM, KP, and SY are on the editorial board.All authors have other published papers cited in this manuscript. |
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