Testing the original and the extended dual-pathway model of lack of control over eating in adolescent girls. A two-year longitudinal study
Testing the original and the extended dual-pathway model of lack of control over eating in adolescent girls. A two-year longitudinal study
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DOI：
10.1016/j.appet.2014.07.022
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发表时间：
2014-11-01
期刊：
影响因子：
5.4
通讯作者：
Caccialanza, Riccardo
中科院分区：
文献类型：
--
作者：
Dakanalis, Antonios;Timko, C. Alix;Caccialanza, Riccardo
Stice（1994，2001）的双通路模型提出了一个中介序列，将身体不满意与通过节食和负面影响对饮食缺乏控制联系起来。范斯特林等人。 （2005）通过添加两个额外的干预变量：内感受缺陷和情绪化饮食，扩展了原始双路径模型的负面影响路径。本研究的目的是使用前瞻性数据测试和比较原始模型和扩展模型。对两种类型的饮食失控（即主观和客观暴食）进行了评估。使用结构方程模型对从 361 名青春期女孩收集的数据进行了分析，这些女孩在两年内每年接受采访并完成自我报告测量。尽管两个模型都很好地拟合了数据，但扩展模型更好地拟合了青春期女孩的样本数据，并且比原始模型在暴食中解释了更大比例的方差。两种模型的所有拟议中介路径均得到支持，并且通过引导程序检查的所有间接效应都很显着。尽管我们的结果证实了这两种模型的有效性，并将先前的研究结果扩展到青少年早期至中期群体，但饮食限制和负面影响之间的双向关系表明，暴食的这些关键风险因素之间的关联比原始双途径模型和扩展双途径模型中概述的更为复杂。 (C) 2014 Elsevier Ltd. 保留所有权利。
Stice's (1994, 2001) dual pathway model proposed a mediational sequence that links body dissatisfaction to lack of control over eating through dieting and negative affect. Van Strien et al. (2005) extended the negative affect pathway of the original dual pathway model by adding two additional intervening variables: interoceptive deficits and emotional eating. The purpose of this study was to test and compare the original and extended model using prospective data. Both types of loss of control over eating (i.e., subjective and objective binge eating) were evaluated. Data collected from 361 adolescent girls, who were interviewed and completed self-report measures annually over a 2-year period, were analysed using structural equation modeling. Although both models provided a good fit to the data, the extended model fit the adolescent girls' sample data better and accounted for a greater proportion of variance in binge eating than the original model. All proposed mediational pathways of both models were supported and all indirect effects examined through bootstrap procedure were significant. Although our results confirmed the validity of both models and extended previous findings to an early- to middle adolescent group, the bi-directional relationship between dietary restriction and negative affect suggests that the association between these key risk factors for binge eating are more complex than outlined in both the original and extended dual-pathway models. (C) 2014 Elsevier Ltd. All rights reserved.