Adaptation and validation of the Spanish version of the ORTO-15 questionnaire for the diagnosis of orthorexia nervosa

María Laura Parra-Fernandez, Teresa Rodríguez-Cano, María Dolores Onieva-Zafra, Maria José Perez-Haro, Víctor Casero-Alonso, Juan Carlos Muñoz Camargo and Blanca Notario-Pacheco

PLOS ONE, 2018, vol. 13, issue 1, 1-14

Abstract: The aim of this study was the validation and analysis of the psychometric properties of a Spanish translation of the ORTO-15 questionnaire; an instrument designed to assess orthorexia nervosa behavior. Four hundred and fifty-four Spanish university students (65% women) aged between 18 and 51 years (M = 21.48 ± 0.31) completed the Spanish version of ORTO-15 and the Eating Disorders Inventory-2 (EDI-2). The Principal Component Analysis suggested a three-factor structure for the abbreviated 11-item version of the instrument. The internal consistency of the measurement was adequate (Cronbach's alpha = 0.80). The proposed test demonstrated a good predictive capacity at a threshold value of

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0190722

DOI: 10.1371/journal.pone.0190722

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