食物不安全预示着大学生在3个月内会过度运动、节食、认知抑制和催吐，但不会导致暴饮暴食。
Food Insecurity Predicts Excessive Exercise, Dietary Restriction, Cognitive Restraint, and Purging, but Not Binge Eating, in College Students Across 3 Months.
作者信息
Kosmas Jacqueline A, Garza Mariella, Kells Meredith, Hahn Samantha L, Davis Heather A
机构信息
Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA.
Johns Hopkins University, Department of Psychological and Brain Sciences, Baltimore, Maryland, USA.
出版信息
Int J Eat Disord. 2025 May;58(5):952-963. doi: 10.1002/eat.24401. Epub 2025 Mar 7.
OBJECTIVES
College students are at elevated risk for both food insecurity and eating disorder (ED) symptoms. Prior literature supports cross-sectional associations between food insecurity and ED symptoms, including binge eating, purging (e.g., diuretic and laxative misuse, self-induced vomiting), and dietary restriction. However, less is known about the temporal relation, particularly among college students.
METHODS
We tested associations between food insecurity and cognitive restraint, binge eating, dietary restriction, purging, and excessive exercise across one college semester (three months). College students [N = 259; mean (SD) age = 19.22 (1.23)] were recruited to complete the Eating Pathology Symptoms Inventory (EPSI) and the 30-day version of the United States Department of Agriculture Adult Food Security Survey Module in August (baseline) and November (follow-up). We conducted five multiple regression models to examine baseline food insecurity as a predictor of each EPSI subscale score of interest, adjusting for baseline EPSI score, sociodemographic characteristics, and body mass index.
RESULTS
Baseline food insecurity significantly predicted greater cognitive restraint (β = 0.12, p < 0.05), dietary restriction (β = 0.18, p < 0.001), excessive exercise (β = 0.15, p < 0.01), and purging (β = 0.14, p < 0.05) at follow-up, adjusting for baseline levels, sociodemographic characteristics, and body mass index. Baseline food insecurity did not predict binge eating at follow-up when the baseline level, body mass index, and sociodemographic characteristics were considered.
DISCUSSION
Experiencing food insecurity may contribute to the development or exacerbation of excessive exercise, dietary restriction, cognitive restraint, and purging among college students. Findings highlight the potential need for food insecurity interventions to include support for disordered eating.
目的
大学生面临粮食不安全和饮食失调（ED）症状的风险较高。先前的文献支持粮食不安全与ED症状之间的横断面关联，包括暴饮暴食、清除行为（如滥用利尿剂和泻药、自我催吐）以及饮食限制。然而，对于时间关系，尤其是在大学生中，了解较少。
方法
我们测试了在一个大学学期（三个月）内粮食不安全与认知抑制、暴饮暴食、饮食限制、清除行为和过度运动之间的关联。招募大学生[N = 259；平均（标准差）年龄 = 19.22（1.23）]在8月（基线）和11月（随访）完成饮食病理学症状量表（EPSI）和美国农业部成人粮食安全调查模块的30天版本。我们进行了五个多元回归模型，以检验基线粮食不安全作为每个感兴趣的EPSI子量表得分的预测因素，并对基线EPSI得分、社会人口学特征和体重指数进行了调整。
结果
在对基线水平、社会人口学特征和体重指数进行调整后，基线粮食不安全显著预测了随访时更大的认知抑制（β = 0.12，p < 0.05）、饮食限制（β = 0.18，p < 0.001）、过度运动（β = 0.15，p < 0.01）和清除行为（β = 0.14，p < 0.05）。当考虑基线水平、体重指数和社会人口学特征时，基线粮食不安全在随访时并未预测暴饮暴食。
讨论
经历粮食不安全可能会导致大学生过度运动、饮食限制、认知抑制和清除行为的发展或加剧。研究结果强调了粮食不安全干预措施可能需要包括对饮食失调的支持。
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