1. Mental health and quality of life during weight loss in females with clinically severe obesity: a randomized clinical trial.
- Author
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van den Hoek, Daniel J., Miller, Clint T., Fraser, Steve F., Selig, Steve E., Rice, Toni, Grima, Mariee, Sari, Carolina Ika, Lambert, Gavin W., and Dixon, John B.
- Subjects
COMPETENCY assessment (Law) ,ANXIETY treatment ,PERIMENOPAUSE ,STATE-Trait Anxiety Inventory ,MORBID obesity ,REDUCING diets ,HEALTH surveys ,TREATMENT effectiveness ,RANDOMIZED controlled trials ,PSYCHOLOGICAL tests ,PRE-tests & post-tests ,QUALITY of life ,MENTAL depression ,PSYCHOLOGY of women ,WEIGHT loss ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,RESEARCH funding ,STATISTICAL sampling ,CONTROL groups ,HEALTH promotion ,EXERCISE therapy ,LONGITUDINAL method ,EVALUATION - Abstract
The purpose of this investigation was to explore the effects of dietary weight loss intervention, with and without the addition of exercise on health-related quality of life, depressive symptoms, and anxiety. As part of the EMPOWER study for women, sixty premenopausal women (BMI of 40.4 ± 6.7) were randomized to energy restriction only (ER) or to exercise plus energy restriction (EXER) for 12 months. Health-related quality of life was assessed using the SF-36, depressive symptoms were assessed using the Beck Depression Inventory II (BDI), and anxiety symptoms using the Spielberger state and trait anxiety questionnaire. All measures were completed at baseline, 3, 6 and 12 months. At 12 months, there were significant (p < 0.05) group-by-time interactions favouring the EXER group for five of the eight domains and the mental component summary score. At 12 months, a significant group-by-time interaction favouring the EXER group is reported for both state and trait anxiety (p =.005 and p =.001, respectively). At 12 months, there was a significant group-by-time interaction for depressive symptoms favouring EXER (p < 0.05). Within-group changes for BDI scores were improved at all follow-up time points in the EXER group. Exercise training confers an additional benefit to energy restriction in the absence of additional weight loss at 12 months for health-related quality of life, depressive symptoms, and state and trait anxiety scores when compared to energy restriction only. Exercise and an energy-restricted diet improve health-related quality of life and mental health. Exercise may protect mental health without further weight loss for women with severe obesity. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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