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Contributo in rivista
Tipo: Articolo in rivista
Titolo: Orthorexia nervosa: validation of a diagnosis questionnaire.
Anno di pubblicazione: 2005
Autori: Donini LM, Marsili D, Graziani MP, Imbriale M, Cannella C.
Abstract: AIM: To validate a questionnaire for the diagnosis of orhorexia oervosa, an eating disorder defined as "maniacal obsession for healthy food". MATERIALS AND METHODS: 525 subjects were enrolled. Then they were randomized into two samples (sample of 404 subjects for the construction of the test for the diagnosis of orthorexia ORTO-15; sample of 121 subjects for the validation of the test). The ORTO-15 questionnaire, validated for the diagnosis of orthorexia, is made-up of 15 multiple-choice items. RESULTS AND CONCLUSION: The test we proposed for the diagnosis of orthorexia (ORTO 15) showed a good predictive capability at a threshold value of 40 (efficacy 73.8%, sensitivity 55.6% and specificity 75.8%) also on verification with a control sample. However, it has a limit in identifying the obsessive disorder. For this reason we maintain that further investigation is necessary and that new questions useful for the evaluation of the obsessive-compulsive behavior should be added to the ORTO-15 questionnaire.
Pagine da: 28
Pagine a: 32
Numero volume: 10(2)
Referee: Sė: Nazionale
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