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Title: Psychological correlates of eating behavior in overweight/obese adolescents in Taiwan : psychometric and correlation analysis of the Three-Factor Eating Questionnaire (TFEQ)-R21
Authors: Lin, YW
Lin, CY 
Strong, C
Liu, CH
Hsieh, YP
Lin, YC
Tsai, MC
Issue Date: 2020
Source: Pediatrics and neonatology, 2020
Pediatrics and neonatology, 2020, v. 62, no. 1, p. 41-48
Abstract: Background: The Three-Factor Eating Questionnaire (TFEQ) is a self-assessment scale used widely in the studies of eating behavior, but its short form TFEQ-R21 has not been validated in the Taiwanese population. This study aimed to assess the factor structure and reliability of TFEQ-R21 and to identify the correlates of eating behavior in obese and non-obese Taiwanese adolescents.
Methods: A total of 445 individuals aged 13–15 years were analyzed. They self-reported their eating disorder behavior, body shape preoccupation, weight-related self-stigma, anxiety, and depression. We applied a confirmatory factor analysis to test the model fit of TFEQ-R21 for the three pre-conceptualized domains in the data. Further univariate and multivariate linear regression analyses were applied to identify the correlates of different TFEQ-R21 subdomains.
Results: The Comparative Fit Index for the TFEQ-R21 was 0.908, which confirmed the three-factor structure (i.e., cognitive restraint [CR], uncontrolled eating [UE], and emotional eating [EE]) in the Taiwan version of TFEQ-R21. Only CR correlated with disordered eating (r = 0.351, p < 0.001). Body shape discrepancy, rather than weight status, was associated with CR in both males (β = 0.15, 95% odds ratio [CI] 0.05–0.25) and females (β = 0.21, 95% CI 0.10–0.32). Gender differences were noted in the correlates of UE and EE, where ideal body shape in males and self-perceived stigma in females were the main associative factors.
Conclusion: The Taiwan version of the TFEQ-R21 is a robust, reliable tool by which to measure adolescent eating behavior. Gender differences in the eating behavior correlates require clinical and public health attention when implementing weight management programs.
Keywords: Adolescent
Eating behavior
Obesity
Three-factor eating questionnaire
Publisher: Elsevier Taiwan LLC.
Journal: Pediatrics and neonatology 
ISSN: 1875-9572
DOI: 10.1016/j.pedneo.2020.08.006
Rights: Copyright © 2020, Taiwan Pediatric Association. Published by Elsevier Taiwan LLC. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
The following publication in Lin, Y. W., Lin, C. Y., Strong, C., Liu, C. H., Hsieh, Y. P., Lin, Y. C., & Tsai, M. C. (2021). Psychological correlates of eating behavior in overweight/obese adolescents in Taiwan: Psychometric and correlation analysis of the Three-Factor Eating Questionnaire (TFEQ)-R21. Pediatrics & Neonatology, 62(1), 41-48, is available at https://doi.org/10.1016/j.pedneo.2020.08.006
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