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- W2004169923 abstract "Objective: To validate a screening instrument (RiBED-8) aimed at identifying risk behaviour related to eating disorders among Danish adolescents in a two-stage study in 1996 and a follow-up study 2.75 years later. Methods: 2094 pupils, aged 14–21 years, responded to a 49-item self-report questionnaire. Risk behaviour related to eating disorders was defined. The psychometric validation procedure was performed with Rasch Item analysis, testing the internal and external homogeneity, local independence and uni-dimensionality. Furthermore, 91 semi-structured clinical interviews were conducted to create a gold standard and to test the content, criterion and construct related validity of risk behaviour. Eight items comprised the final scale, called RiBED-8. Furthermore, the criterion-related validity, the stability and the predictive validity of RiBED-8 was tested using the Eating Disorders Inventory (EDI-2) in the follow-up study in 1998, where 508 pupils responded. In a cross-sectional design in 1998, the concurrent general psychopathology was analysed using Hopkins Symptoms CheckList (SCL-90-R). Lastly, the time-related reliability of the instrument was tested by test–retest analysis in 1998. Results: The scale was a uni-dimensional screening instrument with local independence, internal consistency and external homogeneity towards age groups. However, the instrument did not measure less severe risk behaviour for boys. RiBED-8 had sufficiently good psychometric properties (construct, criterion and predictive validity and test–retest reliability), and identified persons with a high level of general psychological distress and of eating pathology. Risk behaviour related to eating disorders was stable and indicated a 5.6-times greater relative risk of having eating disorders over 2.75 years. Copyright © 2003 John Wiley & Sons, Ltd and Eating Disorders Association." @default.
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- W2004169923 date "2003-01-01" @default.
- W2004169923 modified "2023-10-16" @default.
- W2004169923 title "Validation of a screening instrument for identifying risk behaviour related to eating disorders" @default.
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- W2004169923 doi "https://doi.org/10.1002/erv.537" @default.
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