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Psychometric analys...
Psychometric analysis of the Three-Factor Eating Questionnaire-R21: results from a large diverse sample of obese and non-obese participants.
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Cappelleri, J C (author)
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Bushmakin, A G (author)
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Gerber, R A (author)
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Leidy, N K (author)
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Sexton, C C (author)
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Lowe, M R (author)
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- Karlsson, Jan, 1950 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för vårdvetenskap och hälsa,Institute of Health and Care Sciences
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(creator_code:org_t)
- 2009-04-28
- 2009
- English.
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In: International journal of obesity (2009). - : Springer Science and Business Media LLC. - 1476-5497 .- 0307-0565. ; 33:6, s. 611-20
- Related links:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Subject headings
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- BACKGROUND: The 21-item Three-Factor Eating Questionnaire (TFEQ-R21) is a scale that measures three domains of eating behavior: cognitive restraint (CR), uncontrolled eating (UE) and emotional eating (EE). OBJECTIVES: To assess the factor structure and reliability of TFEQ-R21 (and if necessary, refine the structure) in diverse populations of obese and non-obese individuals. DESIGN: Data were obtained from obese adults in a United States/Canadian clinical trial (n=1741), and overweight, obese and normal weight adults in a US web-based survey (n=1275). Confirmatory factor analyses were employed to investigate the structure of TFEQ-R21 using baseline data from the clinical trial. The model was refined to obtain adequate fit and internal consistency. The refined model was then tested using the web-based data. Relationships between TFEQ domains and body mass index (BMI) were examined in both populations. RESULTS: Clinical data indicated that TFEQ-R21 needed refinement. Three items were removed from the CR domain, producing the revised version TFEQ-R18V2 (Comparative Fit Index (CFI)=0.91). Testing TFEQ-R18V2 in the web-based sample supported the revised structure (CFI=0.96; Cronbach's coefficient alpha of 0.78-0.94). Associations with BMI were small. In the clinical study, the CR domain showed a significant and negative association with BMI. On the basis of the web-based survey, it was shown that the relationship between BMI and CR is population-dependent (obese versus non-obese, healthy versus diabetics). CONCLUSIONS: In two independent datasets, the TFEQ-R18V2 showed robust factor structure and good reliability. It may provide a useful tool for characterizing UE, CR and EE.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Omvårdnad (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nursing (hsv//eng)
Keyword
- BMI
- patient-reported outcomes
- eating behavior
- Three-Factor Eating Questionnaire
- dietary restraint
Publication and Content Type
- ref (subject category)
- art (subject category)
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