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Prevalence Of Orthorexia Nervosa Among Polish Adolescents – Assessment Made By The Orto-15 Questionnaire

Published online by Cambridge University Press:  23 March 2020

J. Hyrnik ,
M. Janas-Kozik ,
M. Stochel ,
I. Jelonek ,
A. Siwiec ,
K. Krysta  and
J.K. Rybakowski
J. Hyrnik
Affiliation:
Medical University of Silesia, Department of Psychiatry and Psychotherapy of Developmental Age, Sosnowiec, Poland
M. Janas-Kozik
Affiliation:
Medical University of Silesia, Department of Psychiatry and Psychotherapy of Developmental Age, Sosnowiec, Poland
M. Stochel
Affiliation:
Medical University of Silesia, Department of Psychiatry and Psychotherapy of Developmental Age, Sosnowiec, Poland
I. Jelonek
Affiliation:
Medical University of Silesia, Department of Psychiatry and Psychotherapy of Developmental Age, Sosnowiec, Poland
A. Siwiec
Affiliation:
Medical University of Silesia, Department of Psychiatry and Psychotherapy of Developmental Age, Sosnowiec, Poland
K. Krysta*
Affiliation:
Medical University of Silesia, Department of Psychiatry and Psychotherapy, Katowice, Poland
J.K. Rybakowski
Affiliation:
University of Medical Sciences Poznan, Department of Adult Psychiatry, Poznan, Poland
*
*Corresponding author.

Abstract

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Objective

Orthorexia nervosa (ON) is an excessive fixation on the consumption of healthy food and an obsession with its biological purity. The aim of this study was to assess the prevalence of ON in a population of Polish urban adolescents and some possible contributory factors.

Method

Validation and adaptation of the ORTO-15 Questionnaire was made in the group of 399 participants (15–21 years old). The validation procedure incorporated three basic methods to be applied in the reliability analysis. The reliability analysis of the ORTO-15 Questionnaire based on repeatability of the responses presents a very good (kappa: 0.81–1.00 for 5 items) and a good repeatability (kappa: 0.61–0.80 for 10 items). The reliability analysis based on the value of the Cronbach's α reached a satisfactory level (0.7–0.9). The ORTO-15 questionnaire was considered a reliable tool to identify the risk of ON in population studies in the group of urban youth aged 15–21. Assessment was made among 1899 high school students, 992 girls, and 907 boys, aged 15–21 years.

Results

The mean value of the ORTO-15 was 39.2 ± 3.6 points, with no sex difference. The main factors connected with orthorexia, according to the “Orthorexia 35” definition were excess weight, sporting activities, out-of-school activities, smoking status, working parents and a high family income.

Conclusions

This study, of a large number of adolescents, showed a prevalence of ON similar to that recorded in adult populations. This is a first assessment of orthorexia among adolescent population.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
EV570
Information
European Psychiatry , Volume 33 , Issue S1: Abstracts of the 24th European Congress of Psychiatry , March 2016 , pp. S430
Copyright
Copyright © European Psychiatric Association 2016
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