The Role of Objectively Measured, Altered Physical Activity Patterns for Body Mass Index Change during Inpatient Treatment in Female Patients with Anorexia Nervosa

Journal of Clinical Medicine
Celine S LehmannVerena Haas

Abstract

Increased physical activity (PA) affects outcomes in patients with anorexia nervosa (AN). To objectively assess PA patterns of hospitalized AN patients in comparison with healthy, outpatient controls (HC), and to analyze the effect of PA on Body Mass Index (BMI) change in patients with AN, we measured PA in 50 female patients with AN (median age = 25 years, range = 18⁻52 years; mean BMI = 14.4 ± 2.0 kg/m²) at the initiation of inpatient treatment and in 30 female healthy controls (median age = 26 years, range = 19⁻53 years; mean BMI = 21.3 ± 1.7 kg/m²) using the SenseWear™ armband. Duration of inpatient stay and weight at discharge were abstracted from medical records. Compared with controls, AN patients spent more time in very light-intensity physical activity (VLPA) (median VLPA = 647 vs. 566 min/day, p = 0.004) and light-intensity physical activity (LPA) (median LPA = 126 vs. 84 min/day, p < 0.001) and less time in moderate-intensity physical activity (MPA) (median MPA = 82 vs. 114 min/day, p = 0.022) and vigorous physical activity (VPA) (median VPA = 0 vs. 16 min/day, p < 0.001). PA and BMI increase were not associated in a linear model, and BMI increase was mostly explained by lower admission BMI and longer inpatient stay....Continue Reading

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Citations

Jul 3, 2020·European Eating Disorders Review : the Journal of the Eating Disorders Association·Julia GrosserVerena Haas
Jan 16, 2020·Nutrients·Melissa RizkNathalie Godart
Mar 27, 2020·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Outi LinnarantaKai-Florian Storch
Nov 19, 2021·Clinical and Translational Science·Constanze SchwenzerStefanie Trinh

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Software Mentioned

Nutriguard
SenseWear
R Core Team
[UNK]
Body Comp
R

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