Prevalence of Orthorexia Nervosa Tendency in Non-obese Population: A Cross-sectional Study

Objectives: The prevalence of eating disorders has increased in the modern population. This study aimed to describe the presence of orthorexia nervosa (ON) tendency in non-obese population. Methods: Individuals over the age of 18 and with a body mass index below 25 kg/[m.sup.2] who applied to the family medicine outpatient clinics of a tertiary hospital between April 2017 and October 2017 were included. The ORTO-11 scale was applied individuals to assess ON tendency. Results: A total of 801 participants were included in this study, the mean age was 31.5[+ or -]10.9 years, and 505 (63.0%) of the participants had an ON tendency. Three hundred two (59.8%) of the participants with ON tendency were female. The frequency of marriage and vitamin supplementation use in participants with ON tendency were 336 (66.5%) and 76 (15.0%), respectively. The presence of ON tendency was significantly different according to be married, female, and vitamin supplementation use (p=0.008, p=0.012 and p=0.007, respectively). The mean ORTO-11 score was 25.8[+ or -]4.5 in the 18-30 age group, 24.6[+ or -]4.4 in the 31-50 age group, and 22.6[+ or -]4.4 in the over 50 age group (p