修正体重偏差内化量表:本科女生体重状况和种族的测量不变性。

IF 4.2 2区 医学 Q1 ENDOCRINOLOGY & METABOLISM International Journal of Obesity Pub Date : 2024-08-14 DOI:10.1038/s41366-024-01602-7
Kaitlin N Rozzell-Voss, Rachel D Marshall, Chung-Ying Lin, Janet D Latner
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引用次数: 0

摘要

背景:内化体重偏见是指相信负面的、基于体重的刻板印象,并将这些刻板印象应用于自身。这些负面的刻板印象会对超重/肥胖症患者产生有害影响,而基于体重的歧视在各种环境中都有充分的记录。鉴于与内化体重偏见相关的不良后果,特别是在肥胖症患者中,有必要在不同样本中验证评估内化体重偏见的测量方法。本研究旨在调查改良体重偏见内化量表(WBIS-M)在不同体重状态(女性超重/肥胖与否)和种族(白人与亚裔;白人与双种族或多种族)下的测量不变性:方法:参与者为 746 名不同种族/族裔的女性,她们的体重各不相同(24.9% 超重/肥胖)。首先在全部样本和所有子样本中对 WBIS-M 进行了确认因素分析。每个模型都显示出良好到极佳的描述性模型拟合度。随后的分析检查了 WBIS-M 的因子载荷和项目阈值,以评估度量、阈值和标度的不变性。通过评估比较拟合指数(ΔCFI ≤ -0.010)、近似均方根误差(ΔRMSEA ≤ 0.015)和标准化均方根残差(ΔSRMR ≤ 0.030)的变化来确定不变量:结果:根据这些先前确定的统计临界值,WBIS-M 在本样本中显示出不同体重状况和种族群体之间的不变性。目前的结果支持使用WBIS-M来测量超重/肥胖女性和非超重/肥胖女性,以及白人、亚裔、双种族或多种族女性的内化体重偏差:结论:这可能会为今后希望使用 WBIS-M 的研究提供参考,例如对内化体重偏差平均水平差异的调查。鉴于体重较重的人面临更严重的内化体重偏见和基于体重的歧视,这些发现可能会在治疗和预防肥胖症方面有临床应用价值。
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The Modified Weight Bias Internalization Scale: measurement invariance by weight status and race among undergraduate women.

Background: Internalized weight bias is the belief in negative, weight-based stereotypes and the application of these stereotypes to oneself. These negative stereotypes have harmful impacts on people with overweight/obesity, and weight-based discrimination is well-documented across a variety of settings. Given poor outcomes associated with internalized weight bias, particularly among individuals with obesity, it is necessary to validate measures assessing internalized weight bias among diverse samples. The present study sets out to investigate measurement invariance properties across weight status (women with vs. without overweight/obesity) and race (White vs. Asian; White vs. bi- or multi-racial) of the Modified Weight Bias Internalization Scale (WBIS-M), an 11 item self-report measure.

Methods: Participants were 746 racially/ethnically diverse women across the weight spectrum (24.9% with overweight/obesity). Confirmatory factor analyses of the WBIS-M were initially performed among the full sample, and all sub-samples. Each model showed good to excellent descriptive model fit. Subsequent analyses examined factor loadings and item thresholds of the WBIS-M to assess metric, threshold, and scalar invariance. Invariance was determined by assessing changes in Comparative Fit Index (ΔCFI -0.010), Root Mean Square Error of Approximation (ΔRMSEA 0.015), and Standardized Root Mean Square Residuals (ΔSRMR 0.030).

Results: Based on these previously established statistical cutoffs, the WBIS-M showed invariance across weight status and racial groups in the present sample. The current results lend support for use of the WBIS-M to measure internalized weight bias in women who do and do not have overweight/obesity, and among White, Asian, and bi- or multi-racial women.

Conclusion: This may inform future studies that wish to utilize the WBIS-M, such as investigations of mean level differences in internalized weight bias. These findings may have clinical applications in the treatment and prevention of obesity, given the heightened levels of internalized weight bias and weight-based discrimination faced by individuals with higher body weights.

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来源期刊
International Journal of Obesity
International Journal of Obesity 医学-内分泌学与代谢
CiteScore
10.00
自引率
2.00%
发文量
221
审稿时长
3 months
期刊介绍: The International Journal of Obesity is a multi-disciplinary forum for research describing basic, clinical and applied studies in biochemistry, physiology, genetics and nutrition, molecular, metabolic, psychological and epidemiological aspects of obesity and related disorders. We publish a range of content types including original research articles, technical reports, reviews, correspondence and brief communications that elaborate on significant advances in the field and cover topical issues.
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