Night Eating Syndrome Among Euthymic Patients With Bipolar I Disorder May Be Common and Related With Eating Concerns and Atypical Depression: A Cross-Sectional, Clinic-Based Study

Abstract

Background: Current studies indicate a strong relationship between Night Eating Syndrome (NES) and obesity, while studies on Bipolar Disorder (BPD) show that patients with BPD form an important risk group in terms of obesity. The aims of this study were to investigate the frequency of NES in patients with (Bipolar Disorder Type 1) BPD1; and to determine the clinical features associated with NES. Methods: A total of 94 euthymic patients diagnosed with BPD1 according to Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM 5) were evaluated with Sociodemographic Data Form, Structured Clinical Interview for DSM-IV (SCID-I), Young Mania Rating Scale (YMRS), Hamilton Depression Scale (HDS), Beck Anxiety Inventory, Eating Disorder Examination Questionnaire (EDE-Q), Night Eating Questionnaire (NEQ), Night Eating Syndrome Questionnaire (NESQ). The diagnosis of NES was made by clinical interview with the participants for the differential diagnosis of other eating disorders and sleep disorders. The height, weight, and waist circumference of the participants were measured. The results of all analyses were considered significant when p