Cross-cultural adaptation and psychometric validation of the Spanish version of the Orthorexia Nervosa Inventory (ONI-ES) (opens in new tab)

BackgroundOrthorexia nervosa (ON) has gained increasing attention as a maladaptive pattern of rigid health-oriented eating characterized by cognitive preoccupation, behavioral restriction, and functional impairment. The Orthorexia Nervosa Inventory (ONI) was developed as a multidimensional instrument to assess orthorexic tendencies; however, further cross-cultural validations are needed to ensure its applicability across different linguistic and cultural contexts.ObjectiveTo translate, cultur...