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- Title
The Relationship between Patient Self-Reported, Pre-Morbid Physical Activity and Clinical Outcomes of Inpatient Treatment in Youth with Anorexia Nervosa: A Pilot Study.
- Authors
Pech, Martina; Correll, Christoph U.; Schmidt, Janine; Zeeck, Almut; Hofmann, Tobias; Busjahn, Andreas; Haas, Verena
- Abstract
Links between premorbid physical activity (PA) and disease onset/course in patients with anorexia nervosa (AN) remain unclear. The aim was to assess self-reported PA as a predictor of change in percent median BMI (%mBMI) and length of hospital stay (LOS). Five PA domains were assessed via semi-structured interview in adolescents with AN at hospitalization: premorbid PA in school grades 1-6 (PA1-6); PA before AN onset (PA-pre) and after AN onset (PA-post); new, pathological motivation for PA (PA-new); and high intensity PA (PA-high). Eating disorder psychopathology was measured via the Eating Disorder Examination Questionnaire (EDE-Q), and current PA (steps/day) with accelerometry. PA1-6 was also assessed in healthy controls (HCs). Using stepwise backward regression models, predictors of %mBMI change and LOS were examined. Compared with 22 HCs (age = 14.7 ± 1.3 years, %mBMI = 102.4 ± 12.1), 25 patients with AN (age = 15.1 ± 1.7 years, %mBMI = 74.8 ± 6.0) reported significantly higher PA1-6 (median, AN = 115 [interquartile range IQR = 75;200] min vs. HC = 68 [IQR = 29;105] min; p = 0.017). PA-post was 244 ± 323% higher than PA-pre. PA1-6 was directly associated with PA-pre (p = 0.001) but not with PA-post (p = 0.179) or change in PA-pre to PA-post (p = 0.735). Lower %mBMI gain was predicted by lower baseline %mBMI (p = 0.001) and more PA-high (p = 0.004; r2 = 0.604). Longer LOS was predicted by higher PA-pre (p = 0.003, r2 = 0.368). Self-reported PA may identify a subgroup of youth with AN at risk of less weight gain and prolonged LOS during inpatient treatment for AN.
- Subjects
GERMANY; ANOREXIA nervosa treatment; SELF-evaluation; STATISTICAL correlation; BODY mass index; RESEARCH funding; HOSPITAL care; PILOT projects; INTERVIEWING; HIGH-intensity interval training; ACCELEROMETRY; QUESTIONNAIRES; TREATMENT effectiveness; DESCRIPTIVE statistics; MOTIVATION (Psychology); EATING disorders; RESEARCH; RESEARCH methodology; LENGTH of stay in hospitals; COMPARATIVE studies; PHYSICAL activity; REGRESSION analysis; EVALUATION; ADOLESCENCE
- Publication
Nutrients, 2024, Vol 16, Issue 12, p1889
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu16121889