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Developing and validating a Japanese version of the Weight Self-Stigma Questionnaire
Yuko Nakamura1,2, Michiko Asano3
1Center for Evolutionary Cognitive Sciences, Graduate School of Art and Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-Ku, Tokyo, 153-8902, Japan. nakamura.yuko0707@mail.u-tokyo.ac.jp.
Eating and Weight Disorders : EWD
|May 17, 2023
Summary
A new Japanese version of the Weight Self-Stigma Questionnaire (WSSQ-J) was developed and validated. This reliable tool accurately measures weight bias internalization in Japanese individuals, aiding in weight management and mental health support.
Area of Science:
- Psychology
- Health Sciences
- Sociology
Background:
- Weight bias internalization (WBI) is linked to adverse health outcomes.
- Accurate measurement of WBI is crucial for effective weight management and mental health interventions.
- The Weight Self-Stigma Questionnaire (WSSQ) is a validated tool for assessing WBI, but a Japanese version was lacking.
Purpose of the Study:
- To develop and validate a Japanese version of the Weight Self-Stigma Questionnaire (WSSQ-J).
- To confirm the psychometric properties of the WSSQ-J in the Japanese population.
Main Methods:
- A total of 1454 Japanese participants with diverse weight statuses completed an online survey.
- Internal consistency was assessed using Cronbach's alpha.
- Confirmatory factor analysis (CFA) was used to validate the factor structure.
Main Results:
- The WSSQ-J demonstrated good internal consistency with a Cronbach's alpha of 0.917.
- Confirmatory factor analysis indicated a satisfactory two-factor model fit (CFI=0.945, RMSEA=0.085, SRMR=0.040).
Conclusions:
- The WSSQ-J is a reliable and valid measure of weight bias internalization.
- This validated questionnaire can be effectively used to assess WBI among Japanese individuals.
- The WSSQ-J supports research and clinical practice in weight management and mental health for the Japanese population.
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