Validation of ORTO-15 Questionnaire in the group of urban youth aged 15-21
| 1 | Kierownik: dr n. med. A. Siwiec, Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego Centrum Pediatrii im. Jana Pawła II w Sosnowcu |
| 2 | Kierownik: dr n. med. A. Siwiec; Kierownik Katedry: prof. dr hab. n. med. I. Krupka-Matuszczyk, Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego Centrum Pediatrii im. Jana Pawła II w Sosnowcu; Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego, Katedra Psychiatrii i Psychoterapii ŚUM w Katowicach |
| 3 | prof. dr hab. n. med. J.E. Zejda, Katedra i Zakład Epidemiologii ŚUM w Katowicach |
| 4 | Kierowniki: dr n. med. A. Siwiec; Kierownik Katedry: prof. dr hab. n. med. I. Krupka-Matuszczyk, Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego Centrum Pediatrii im. Jana Pawła II w Sosnowcu; Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego, Katedra Psychiatrii i Psychoterapii ŚUM w Katowicach |
| 5 | Kierownik: dr n. med. A. Siwiec, Centrum Pediatrii im. Jana Pawła II w Sosnowcu |
CORRESPONDING AUTHOR
Martyna Łucja Stochel
Kierownik: dr n. med. A. Siwiec, Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego Centrum Pediatrii im. Jana Pawła II w Sosnowcu, Paediatric Centre of John Paul 2nd in Sosnowiec, Department of Child and Adolescent Psychiatry and Psychotherapy, 41-218 Sosnowiec, Polska
Kierownik: dr n. med. A. Siwiec, Oddział Kliniczny Psychiatrii i Psychoterapii Wieku Rozwojowego Centrum Pediatrii im. Jana Pawła II w Sosnowcu, Paediatric Centre of John Paul 2nd in Sosnowiec, Department of Child and Adolescent Psychiatry and Psychotherapy, 41-218 Sosnowiec, Polska
Submission date: 2014-02-23
Final revision date: 2014-04-25
Acceptance date: 2014-04-25
Publication date: 2015-02-24
Psychiatr Pol 2015;49(1):119–134
KEYWORDS
TOPICS
ABSTRACT
Objectives:
The aim of the study was the validation and adaptation of the ORTO-15 Questionnaire in the group of the Polish schoolgirls and schoolboys.
Methods:
The study included 399 participants (15-21 years old), all of them high school students in the city of Sosnowiec. The ORTO-15 is a tool created in Italy by L.M. Donini, comprising of 15 items describing intensification of orthorexia risk (population diagnosis). The validation procedure incorporated three basic methods to be applied in the reliability analysis – the comparison of double tests with the same method, the statistical properties analysis of test items as well as analysis of the relation of test items with the general test result. Moreover, the compliance of the ORTO-15 Questionnaire results with other questionnaire focused on eating habits (EAT-26) was studied.
Results:
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). A full agreement of in the occurrence of orthorexia risk and the risk of eating disorders concerned 47.2% (Kappa = 0.04; 95% CI: 0.004 – 0.09) for the Ortho-40 and 88.2% (Kappa = 0.32; 95% CI: 0.17 – 0.47) for the Ortho-35.
Conclusions:
The ORTO-15 questionnaire is a reliable tool to identify the risk of ON in population studies in the group of urban youth aged 15 – 21.
The aim of the study was the validation and adaptation of the ORTO-15 Questionnaire in the group of the Polish schoolgirls and schoolboys.
Methods:
The study included 399 participants (15-21 years old), all of them high school students in the city of Sosnowiec. The ORTO-15 is a tool created in Italy by L.M. Donini, comprising of 15 items describing intensification of orthorexia risk (population diagnosis). The validation procedure incorporated three basic methods to be applied in the reliability analysis – the comparison of double tests with the same method, the statistical properties analysis of test items as well as analysis of the relation of test items with the general test result. Moreover, the compliance of the ORTO-15 Questionnaire results with other questionnaire focused on eating habits (EAT-26) was studied.
Results:
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). A full agreement of in the occurrence of orthorexia risk and the risk of eating disorders concerned 47.2% (Kappa = 0.04; 95% CI: 0.004 – 0.09) for the Ortho-40 and 88.2% (Kappa = 0.32; 95% CI: 0.17 – 0.47) for the Ortho-35.
Conclusions:
The ORTO-15 questionnaire is a reliable tool to identify the risk of ON in population studies in the group of urban youth aged 15 – 21.
RELATED ARTICLE
Project no. RCN/SN/0610/2021/1 implemented from 2022 to 2024
Total value of the project: PLN 490 000
Amount funded by the MEiN: PLN 100 000
Aims of the project: Publication in Open Access mode on the Internet of English and Polish language versions of 12 consecutive issues of the journal Psychiatria Polska (years 2022-2024). Modernization and redesign of the journal’s website. Financing of the Editorial System. Copy editing and proofreading of journal issues. Counteracting scientific misinformation. Submission of electronic versions of the journal to the National Digital Library Polona and the Digital Library of Scientific Publications Academica.
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