Effects of dietary habits on general and abdominal obesity in community-dwelling patients with schizophrenia
Mina Kim 1, Soo Jin Yang 2, Hyang Hee Kim 3, Anna Jo 4, Min Jhon 4, Ju-Yeon Lee 4, Seung-Hyung Ryu 4, Jae-Min Kim 4, Young-Ran Kweon 1, Sung-Wan Kim 3, 4*
1Department of Nursing, Chonnam National University, 2Department of Food and Nutrition, Seoul Women’s University, 3Gwangju Bukgu Community Mental Health Center, 4Department of Psychiatry, Chonnam National University Medical School
Received: May 23, 2021; Revised: July 11, 2021; Accepted: August 9, 2021; Published online: August 9, 2021.
© The Korean College of Neuropsychopharmacology. All rights reserved.

Abstract
Objective: To investigate the effects of dietary habits on general and abdominal obesity in community-dwelling patients with schizophrenia spectrum disorder according to sex.
Methods: A total of 270 patients with schizophrenia spectrum disorder registered at mental health welfare centers and rehabilitation facilities were recruited. General obesity was defined as a body mass index ≥ 30 kg/m2, and abdominal obesity was defined as a waist circumstance ≥ 90 cm in men and ≥ 85 cm in women. Dietary habits were evaluated using dietary guidelines published by the Korean Ministry of Health and Welfare. Demographic and clinical characteristics along with dietary habits and information related to obesity were collected. Factors related to obesity were evaluated separately by sex.
Results: Dietary habits differed according to sex, in that scores for healthy eating habits were lower in men than in women. In men, the prevalences of general and abdominal obesity were 17.0% and 37.3%, respectively. In women, the prevalences of general and abdominal obesity were 23.1% and 38.5%, respectively. Regression analysis showed that the scores of regular eating habits were negatively associated with general and abdominal obesity in men, and the scores of healthy eating habits were negatively associated with general and abdominal obesity in women.
Conclusion: Among patients with schizophrenia, regular eating habits might reduce the risk of obesity in men, and healthy eating habits might reduce the risk of obesity in women. Nutrition education should be provided to community-dwelling patients with schizophrenia to prevent obesity in this population.
Keywords: abdominal obesity, dietary habits, eating, metabolic syndrome, obesity, schizophrenia


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