情绪化进食:难以捉摸还是显而易见?整合实验室,心理测量和日常生活测量。

Rebekka Schnepper, Jens Blechert, Ann-Kathrin Arend, Takuya Yanagida, Julia Reichenberger
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引用次数: 0

摘要

目的:情绪性进食(Emotional eating, EE)是指为了应对(负面)情绪而进食。情感表达有效性的证据是混杂的:一些荟萃分析发现,情感表达只发生在饮食失调的患者身上,而另一些则只发生在进食受限的患者身上,这表明只有某些亚组表现出情感表达。此外,来自实验室评估、生态瞬时评估(EMA)和心理测量的情感表达测量经常出现分歧。本文检验了这三种不同情感表达方法的协方差是否可以通过单一潜在变量(析因效度)建模,如果可以,该变量如何与克制饮食(结构效度)、身体质量指数(BMI)和亚临床饮食失调症状(并发效度)相关。方法:102名体重指数范围广泛的非饮食失调女性参与者完成了三种方法的情感表达测量:心理测量问卷、实验室实验(诱导中性和消极情绪的食物图像渴望评级)和EMA问卷(9天内瞬时负面情绪和瞬时食物渴望的参与者内部相关性)。提取每种方法的两个测量值并提交验证性因子分析。结果:单因素模型拟合良好。由此得出的EElat因子与亚临床饮食失调症状和BMI呈正相关,但与节制饮食无关。结论:单因素解决方案表明,三种不同的方法可以有效地评估情感表达结构。数据支持情感表达的个体差异,并且与饮食和体重问题症状有关,但与节制饮食无关。这支持了情感表达的学习解释,并强调了情感表达结构与身心健康的相关性。证据水平:II(证据来自设计良好的非随机对照试验)。
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Emotional eating: elusive or evident? Integrating laboratory, psychometric and daily life measures.

Purpose: Emotional eating (EE) refers to eating in response to (negative) emotions. Evidence for the validity of EE is mixed: some meta-analyses find EE only in eating disordered patients, others only in restrained eaters, which suggest that only certain subgroups show EE. Furthermore, EE measures from lab-based assessments, ecological momentary assessment (EMA), and psychometric measures often diverge. This paper tested whether the covariance of these three different EE methods can be modeled through a single latent variable (factorial validity), and if so, how this variable would relate to restrained eating (construct validity), Body-Mass-Index (BMI), and subclinical eating disorder symptomatology (concurrent validity).

Methods: 102 non-eating disordered female participants with a wide BMI range completed EE measures from three methods: psychometric questionnaires, a laboratory experiment (craving ratings of food images in induced neutral vs. negative emotion) and EMA questionnaires (within-participant correlations of momentary negative emotions and momentary food cravings across 9 days). Two measures for each method were extracted and submitted to confirmatory factor analysis.

Results: A one-factor model provided a good fit. The resulting EElat factor correlated positively with subclinical eating disorder symptoms and BMI but not with restrained eating.

Conclusions: The one-factor solution shows that the EE construct can validly be assessed with three different methods. Individual differences in EE are supported by the data and are related to eating and weight problem symptomatology but not to restrained eating. This supports learning accounts of EE and underscores the relevance of the EE construct to physical and mental health.

Level of evidence: II (Evidence obtained from well-designed controlled trials without randomization).

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来源期刊
CiteScore
6.50
自引率
10.30%
发文量
170
审稿时长
>12 weeks
期刊介绍: Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity is a scientific journal whose main purpose is to create an international forum devoted to the several sectors of eating disorders and obesity and the significant relations between them. The journal publishes basic research, clinical and theoretical articles on eating disorders and weight-related problems: anorexia nervosa, bulimia nervosa, subthreshold eating disorders, obesity, atypical patterns of eating behaviour and body weight regulation in clinical and non-clinical populations.
期刊最新文献
Transcultural adaptation and validation of the Eating Self-Efficacy Brief Scale (ESEBS): the Brazilian version. The risk of kidney dysfunction in metabolically healthy/unhealthy population with normal weight or overweight/obesity: a systematic review and meta-analysis. Correction: Optimising healthcare transition of adolescents and young adults to adult care: a perspective statement of the Italian Society of Obesity. Multidimensional perfectionism and orthorexia: a systematic review and meta-analysis. Adverse childhood experiences and profiles of healthy orthorexia versus orthorexia nervosa: towards an explanatory model of orthorexia as a multidimensional eating style.
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