Improvement in binge eating and alexithymia predicts weight loss at 9-month follow-up of the lifestyle modification program
Eating and weight disorders : EWD(2023)
Abstract
Purpose The aim of this longitudinal study was to examine the extent to which improved levels of binge eating (BE) behaviors, alexithymia, self-esteem, and psychological distress would predict a reduction in body mass at 9-month follow-up, following a lifestyle modification program for weight loss in obese or overweight patients. Methods A convenience sample of 120 obese or overweight patients were recruited. Body mass index (BMI), binge eating (BES), levels of alexithymia (TAS-20), perceived stress (PSS), depressive symptoms (SDS), and self-esteem (RSE) were assessed during their first medical examination (T1), and after a weight-loss treatment period of 9 months (T2). Results Compared with unimproved patients, improved patients reported a significant decrease in binge eating ( p = 0.04) and perceived stress symptoms ( p = 0.03), and a significant improvement in self-esteem ( p = 0.02) over time. After controlling for gender, self-esteem, depressive symptoms, and perceived stress, baseline BMI (OR = 1.11, 95% CI [1.04,1.19]), ΔBES (OR = 0.99, 95% CI [0.98,0.99]), and ΔTAS-20 (OR = 1.03, 95% CI [1.01,1.05]) significantly and independently predicted a ≥ 5% reduction in body mass from baseline. Conclusions Our finding supports the suggestion to consider psychological outcomes such as emotional aspects and dysfunctional eating behaviors when planning a weight loss programs to prevent a negative outcome. Level of evidence: Level III, case–control analytic study.
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Key words
Obesity,Binge eating,Alexithymia,Self-esteem,Emotional distress,Lifestyle intervention
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