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Comparative validity of the chinese versions of the bulimic inventory test edinburgh and eating attitudes test for DSM-IV eating disorders among high school dance and nondance students in taiwan

Authors

  • Mei-Chih Meg Tseng MD, PhD,

    Corresponding author
    1. Department of Psychiatry, National Taiwan University Hospital, and National Taiwan University College of Medicine, Taipei, Taiwan
    2. Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei, Taiwan
    • Correspondence to: Dr. Mei-Chih Meg Tseng, Department of Psychiatry, National Taiwan University Hospital, 7 Chung-Shan South Road, Taipei 10002, Taiwan. E-mail: mctseng@ntu.edu.tw

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  • David Fang PhD,

    1. Center for Teacher Education, National Taipei College of Nursing, Taipei, Taiwan
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  • Ming-Been Lee MD

    1. Department of Psychiatry, National Taiwan University Hospital, and National Taiwan University College of Medicine, Taipei, Taiwan
    2. Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei, Taiwan
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  • Supported by NSC92-2314-B-002-293 and 100-2410-H-002-039-MY2 from National Science Council of Taiwan and by NSC100-2325-B-002-065 from National Science Council of Taiwan and by the Department of Medical Research in National Taiwan University Hospital.

ABSTRACT

Objectives

To compare the validity of the Eating Attitudes Test (EAT) and the Bulimic Investigatory Test Edinburgh (BITE) as screening tools for eating disorders (EDs), and to identify a new threshold for each questionnaire to detect ED cases among dance and nondance students.

Method

Dance students enrolled in high schools with gifted dance programs and nondance students randomly chosen from the same or nearby schools were invited to participate in a 2-phase ED survey. Participants completed the EAT and BITE questionnaires in the first phase. All participants who screened positive and 10% of the participants who screened negative were interviewed blindly using the Structured Clinical Interview for DSM-IV-TR Axis I Disorders Patient Edition.

Results

The BITE had better accuracy than the EAT in detecting ED in general among both dance and non-dance students. BITE scores of 19 and 16 were the optimal cutoff values for determining ED among dance and nondance students, respectively. The optimal cutoff value for the EAT to diagnose an ED was 19 for dance students and 12 for nondance students. Both questionnaires showed higher sensitivity and lower specificity in dance students than nondance students at the same cutoff points.

Discussion

The BITE had better diagnostic performance than the EAT in this nonclinical population, although its ability to detect restrictive behaviors is likely as limited as that of the EAT. Plausible explanations for these results and limitations of this study are discussed in the text. © 2013 Wiley Periodicals, Inc. (Int J Eat Disord 2014; 47:105–111)

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