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

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

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

Suggested Citation

  • María Laura Parra-Fernandez & Teresa Rodríguez-Cano & María Dolores Onieva-Zafra & Maria José Perez-Haro & Víctor Casero-Alonso & Juan Carlos Muñoz Camargo & Blanca Notario-Pacheco, 2018. "Adaptation and validation of the Spanish version of the ORTO-15 questionnaire for the diagnosis of orthorexia nervosa," PLOS ONE, Public Library of Science, vol. 13(1), pages 1-14, January.
    • Handle: RePEc:plo:pone00:0190722
    DOI: 10.1371/journal.pone.0190722
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