The reward-based eating drive scale: a self-report index of reward-based eating.
The reward-based eating drive scale: a self-report index of reward-based eating.
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DOI：
10.1371/journal.pone.0101350
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Kessler D
中科院分区：
文献类型：
--
作者：
Epel ES;Tomiyama AJ;Mason AE;Laraia BA;Hartman W;Ready K;Acree M;Adam TC;St Jeor S;Kessler D
为什么有些人比其他人更容易持续体重增加和肥胖？一些肥胖者报告了导致暴饮暴食的因素，包括缺乏控制，缺乏饱腹感和对食物的专注，这可能源于与奖励相关的神经回路。这些都是正常的常见症状，而不是任何现有措施的唯一重点。许多饮食量表捕捉到了这些常见的行为，但与饮食失调的方面相混淆，如暴饮暴食或情绪暴饮暴食。在五项研究中，我们开发了捕捉这种基于奖励的饮食驱动（RED）的项目。研究1在瘦到肥胖的个体（n = 327）中开发了这些项目，并检查了8年来体重的变化。 在研究2中，进一步开发了量表，专家评分员评估了这组项目。研究3测试了400名参与者的最后9个项目的心理测量学特性。研究4检查了心理测量特性和种族不变性（n = 80名妇女）。 研究5检查了心理测量特性和年龄/性别不变性（n = 381）。 结果表明，RED评分与BMI相关，并预测肥胖的早期发病，更大的体重波动，以及8年内更大的整体体重增加。专家对RED量表项目的评分表明，这些项目反映了奖励性饮食的特征。RED量表在人口统计学因素中表现出高度的内部一致性和不变性。RED量表旨在挖掘基于奖励的饮食行为的脆弱性，似乎是一个有用的简短工具，用于识别那些随着时间的推移体重增加风险较高的人。考虑到肥胖的异质性，使用诸如RED量表的自我报告工具对肥胖的基于奖励的方面进行独特的简要分析对于在一般人群中定制有效的治疗可能是至关重要的。
Why are some individuals more vulnerable to persistent weight gain and obesity than are others? Some obese individuals report factors that drive overeating, including lack of control, lack of satiation, and preoccupation with food, which may stem from reward-related neural circuitry. These are normative and common symptoms and not the sole focus of any existing measures. Many eating scales capture these common behaviors, but are confounded with aspects of dysregulated eating such as binge eating or emotional overeating. Across five studies, we developed items that capture this reward-based eating drive (RED). Study 1 developed the items in lean to obese individuals (n = 327) and examined changes in weight over eight years. In Study 2, the scale was further developed and expert raters evaluated the set of items. Study 3 tested psychometric properties of the final 9 items in 400 participants. Study 4 examined psychometric properties and race invariance (n = 80 women). Study 5 examined psychometric properties and age/gender invariance (n = 381). Results showed that RED scores correlated with BMI and predicted earlier onset of obesity, greater weight fluctuations, and greater overall weight gain over eight years. Expert ratings of RED scale items indicated that the items reflected characteristics of reward-based eating. The RED scale evidenced high internal consistency and invariance across demographic factors. The RED scale, designed to tap vulnerability to reward-based eating behavior, appears to be a useful brief tool for identifying those at higher risk of weight gain over time. Given the heterogeneity of obesity, unique brief profiling of the reward-based aspect of obesity using a self-report instrument such as the RED scale may be critical for customizing effective treatments in the general population.
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