The Multifaceted Nature of Weight-Related Self-Stigma: Validation of the Two-Factor Weight Bias Internalization Scale (WBIS-2F)
The Multifaceted Nature of Weight-Related Self-Stigma: Validation of the Two-Factor Weight Bias Internalization Scale (WBIS-2F)
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DOI：
10.3389/fpsyg.2019.00808
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发表时间：
2019-04-16
影响因子：
3.8
通讯作者：
Higgs, Suzanne
中科院分区：
文献类型：
--
作者：
Meadows, Angela;Higgs, Suzanne
背景：内化体重耻辱感（IWS）通常被运作为高体重个体因体重而自我贬值。IWS最常用的测量方法是权重偏差内化量表（WBIS），该量表由19个原始项目发展而来。项目选择采用基于先验假设的单维因素结构的统计技术。由此产生的11项量表主要评估与外表相关的态度，对耻辱的恐惧，影响和改变的愿望，所有这些都可能是对社会体重耻辱的自然反应，即使没有自我贬低。有关自责、污名意识、体重污名的合法性认知和大多数有关自我价值的项目被排除在最终量表之外。目前尚不清楚先验的多维假设是否会产生不同的结果。方法：对931名高体重个体进行原19项问卷的探索性和验证性因素分析。结果：鉴定出13项双因子结构。因素1包括七个项目，可以粗略地理解为与体重有关的困扰。因子2包括六个项目，都与体重相关的自我价值感有关。单独测试，构成自我贬值因素的六个项目对所有拟合指数的数据都是极好的拟合。结论：IWS是一个多维结构。双因素WBIS （WBIS- 2f）提供了探索IWS不同方面与上游和下游变量之间关系的选项。当与权重相关的自我贬值本身是兴趣结构时，自我贬值子量表适合单独使用。
Background: Internalized weight stigma (IWS) is generally operationalized as self-devaluation due to weight in higher-weight individuals. The most commonly used measure of IWS, the Weight Bias Internalization Scale (WBIS), was developed from an original pool of 19 items. Item selection was guided by statistical techniques based upon an a priori hypothesized unidimensional factor structure. The resulting 11-item scale mostly assesses appearance-related attitudes, fear of stigma, affect, and desire for change, all of which may be a natural response to societal weight stigma, even in the absence of self-devaluation. Items pertaining to self-blame, stigma awareness, perceived legitimacy of weight stigma, and most items pertaining to self-worth, were excluded from the final scale. It is unclear whether an a priori assumption of multi-dimensionality would have produced different results.Methods: Exploratory and confirmatory factor analysis of the original 19-item questionnaire was conducted in 931 higher-weight individuals.Results: A 13-item two-factor structure was identified. Factor 1 comprised seven items that could be loosely conceived as weight-related distress. Factor 2 comprised six items, all of which pertained to weight-related self-worth. Tested individually, the six items making up the self-devaluation factor were an excellent fit for the data on all fit indices.Conclusion: IWS is a multi-dimensional construct. The two-factor WBIS (WBIS-2F) provides options to explore the relationships between different aspects of IWS and upstream and downstream variables. The Self-Devaluation subscale is suitable for standalone use when weight-related self-devaluation per se is the construct of interest.