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“Exercising hard or hardly exercising?” Objective and subjective measures of physical activity in patients with anorexia nervosa
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Young, Sarah, Rhodes, Paul, Touyz, Stephen, Arcelus, Jon, Meyer, Caroline, Pike, Kathleen, Madden, Sloane, Crosby, Ross, Attia, Evelyn, Clemes, Stacy and Hay, Phillipa (2015) “Exercising hard or hardly exercising?” Objective and subjective measures of physical activity in patients with anorexia nervosa. Journal of Eating Disorders, 3 (Supplement 1). O55. doi:10.1186/2050-2974-3-S1-O55 ISSN 2050-2974.
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Official URL: http://dx.doi.org/10.1186/2050-2974-3-S1-O55
Abstract
Compulsive exercise in anorexia nervosa (AN) has been associated with adverse effects in treatment, and is a major risk factor for relapse. However, exercise is often surreptitious and measurement problematic. For example, females in community samples have been found to over-report physical activity when compared to objective assessment. The current study aimed to explore the relationships between objectively recorded and subjectively reported physical activity (PA) in AN outpatients. Participants were 34 females with AN enrolled in a randomised-controlled trial of outpatient treatment of anorexia nervosa (Hay et al., in progress). They completed the Eating Disorder Examination (EDE) interview; self-report questionnaires assessing eating disorder and exercise cognitions and behaviours; and wore an accelerometer for 4 days as an objective PA measure. Participants also self-reported their average daily PA. Results demonstrated significant under-reporting (objective PA greater than self-report PA) on light and total PA, but not vigorous or moderate PA. Discrepancy scores between moderate PA (accelerometer – self-report) were also negatively correlated with motivation to change in AN (p<0.05). Clinically, it is important that professionals are aware of such discrepancies between methods, as well as the limitations of accelerometer devices and self-report measures.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||
| Journal or Publication Title: | Journal of Eating Disorders | ||||
| Publisher: | BioMed Central Ltd. | ||||
| ISSN: | 2050-2974 | ||||
| Official Date: | 23 November 2015 | ||||
| Dates: |
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| Volume: | 3 | ||||
| Number: | Supplement 1 | ||||
| Article Number: | O55 | ||||
| DOI: | 10.1186/2050-2974-3-S1-O55 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access (Creative Commons) |
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