Night eating symptoms impact body mass index through sleep-related factors rather than depressive symptoms and impulsivity: Evidence from a medical student population.

IF 2.2 3区心理学 Q2 PSYCHOLOGY, CLINICAL

Journal of Health Psychology Pub Date : 2025-09-24 DOI:10.1177/13591053251369374

Sakir Gica, Ebru Kubra Uzdil, Ziya Oksuz, Beyza Kose Kaya, Emine Nur Sen, Mehmet Ak

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Abstract

The aim of the present study was to determine the relationship between night eating symptoms (NES) and body mass index (BMI) in medical students and to examine the potential mediating role of impulsivity, depressive symptoms and sleep-related factors in this relationship. The study included 408 medical students in their first to third years of study. Participants were asked to complete the sociodemographic information form, Night Eating Questionnaire (NEQ), Pittsburgh Sleep Quality Index (PSQI), Barratt Impulsiveness Scale-11 (BIS-11), and Patient Health Questionnaire Depressive Symptom Scale (PHQ-9). The results of our study support the existence of a relationship between NES and BMI. Among the potential mediators in this relationship, a mediating role of sleep quality rather than depressive symptoms and impulsivity, was identified. Sleep latency, a component related to sleep quality, was found to have an effect on BMI. Studies are needed to evaluate the effectiveness of interventions to improve sleep hygiene for weight control in NES patients.

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夜食症状通过睡眠相关因素影响体重指数，而不是抑郁症状和冲动：来自医科学生群体的证据。

本研究旨在探讨医学生夜间进食症状（NES）与身体质量指数（BMI）的关系，并探讨冲动、抑郁症状和睡眠相关因素在这一关系中的潜在中介作用。这项研究包括408名一到三年级的医学院学生。参与者填写社会人口学信息表、夜间进食问卷（NEQ）、匹兹堡睡眠质量指数（PSQI）、Barratt冲动量表-11 （BIS-11）和患者健康问卷抑郁症状量表（PHQ-9）。我们的研究结果支持NES和BMI之间存在关系。在这种关系的潜在中介中，睡眠质量而不是抑郁症状和冲动的中介作用被确定。研究发现，与睡眠质量相关的睡眠潜伏期会对BMI产生影响。需要研究评估干预措施改善睡眠卫生对NES患者体重控制的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Health Psychology PSYCHOLOGY, CLINICAL-

CiteScore

7.50

自引率

3.10%

发文量

期刊介绍： ournal of Health Psychology is an international peer-reviewed journal that aims to support and help shape research in health psychology from around the world. It provides a platform for traditional empirical analyses as well as more qualitative and/or critically oriented approaches. It also addresses the social contexts in which psychological and health processes are embedded. Studies published in this journal are required to obtain ethical approval from an Institutional Review Board. Such approval must include informed, signed consent by all research participants. Any manuscript not containing an explicit statement concerning ethical approval and informed consent will not be considered.