Assessment of orthorexia nervosa via ORTO-R scores of Turkish recreational and competitive athletes and sedentary individuals: a cross-sectional questionnaire study.

Purpose: This study aims to evaluate and compare the scores of a self-reported measurement of orthorexia nervosa among Turkish people who engage in different levels of physical activity (sedentary individuals, recreational athletes and competitive athletes).

Methods: Data for this study were collected through a self-administered online questionnaire between March and April 2020 in Turkey. The questionnaire consisted of two parts: personal information (sociodemographic and anthropometric information, training and dieting regime) and the ORTO-11 Scale.