AI Article Synopsis
- The ORTO-15 tool, commonly used to measure orthorexic behaviors, faced criticism for its reliability and for overestimating prevalence, prompting the development of a new tool called ORTO-R by Rogoza and Donini.
- A study involving 363 Lebanese participants tested the ORTO-R's validity through various measures, confirming that it has a stable one-factor structure and demonstrating internal consistency.
- The findings indicated that ORTO-R scores are positively correlated with orthorexic behaviors, disordered eating attitudes, perfectionism, anxiety, and depression, while showing a negative correlation with self-esteem, hence establishing ORTO-R as a valid tool for assessing orthorexia.
Article Abstract
Background: Within the literature, there is a variety of different measurement methods for orthorexic behaviours. The ORTO-15 is the one that attracted most research attention. Many scholars criticized the ORTO-15 for its unstable factor structure and over-estimation of the prevalence of orthorexia nervosa. For this purpose, Rogoza and Donini (Eat Weight Disord 26:887-895, 2020) re-assessed the original data and created a new tool, ORTO-R. The development of the ORTO-R theoretically solved many ambiguities associated with its parent measure. However, to date, no study, including the original one, tested the validity of the ORTO-R, leaving its utility somewhat speculative.
Methods: We gathered data from 363 Lebanese individuals, who answered the ORTO-R questions and a set of measures used to determine the validity of the scale (eating attitudes, perfectionism, body dissatisfaction, self-esteem, anxiety, and depression). Within this study, we analysed the internal consistency of the scale and different aspects of its validity (factorial, convergent, and divergent).
Results: Results supported all expectations; we successfully confirmed a one-factor measurement model of the ORTO-R, which appeared to be internally consistent. The ORTO-R score correlated positively to other orthorexic behaviours as well as to disordered eating attitudes, perfectionism, anxiety, and depression. It was also negatively related to self-esteem, but was unrelated to body dissatisfaction.
Conclusion: The ORTO-R may be deemed as a valid instrument for the assessment of orthorexic behaviours.
Level Of Evidence: V: Opinions of authorities, based on descriptive studies, narrative reviews, clinical experience, or reports of expert committees.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8799435 | PMC |
| http://dx.doi.org/10.1007/s40519-021-01350-x | DOI Listing |
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