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orthorexia

Rome Orthorexia Nervosa Questionnaire (ORTO-15) Test

Take the online Rome Orthorexia Nervosa Questionnaire (ORTO-15) Test - AI psychologist FreudlyYou can take Rome Orthorexia Nervosa Questionnaire (ORTO-15) Testhere. Online version of a simple and accurate psychological test with interpretation.en
Understand how strongly healthy eating may be turning into obsessive concern in about 3 minutes. Quick, clear screening that can flag distress and guide next steps with a clinician.
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Questions: 153 minutes
08:30
October 2, 2025
October 2, 2025
Material has been updated
October 2, 2025
Material has been published
19,547 views
2,507 completions
2,102 likes
Verified by Daniel Hall
Psychologist with 25 years of experience
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How the Scales are Structured

example score
13/45
Orthorexia Nervosa Scale (ONS)
Assesses the severity of obsessive fixation on eating “healthy” foods (orthorexia-like tendencies).
Low tendency
Moderate tendency
High tendency
025: Low tendency | 2630: Moderate tendency | 3145: High tendency
A score of 13 falls in the Low tendency range, suggesting no pronounced orthorexia-like fixation on healthy eating on this scale.
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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Health-food perfectionists
41%OF USERS
People who strive to eat “perfectly” and notice anxiety, guilt, or rigid rules around ingredients, purity, or meal timing.
Diet-changers after stress
34%OF USERS
Those who recently tightened their diet due to stress, illness fears, weight changes, or lifestyle shifts and want to check if it became obsessive.
Clients in therapy screening
25%OF USERS
People taking the questionnaire at a psychologist’s request to quickly assess fixation on healthy eating and decide whether deeper work is needed.
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Nervous Orthorexia Scale (NOS)
Nervous Orthorexia Scale (NOS)
Average
24.9
Normal range
17.931.9
min.
0
max.
45
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS

Example Questions From the Test

    • Always
    • Often
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    • Never
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    • Often
    • Sometimes
    • Never
    • Always
    • Often
    • Sometimes
    • Never
WHAT THE TEST MEASURES
About This Assessment
Roman questionnaire for nervous orthorexia, ORTO-15 Test

Rome Orthorexia Nervosa Questionnaire (ORTO-15) Test - Symptoms and Signs

orthorexia
eating behavior

This self-report measure is used to screen for orthorexic eating attitudes characterized by an excessive preoccupation with “healthy” or “pure” food choices. The Rome Orthorexia Nervosa Questionnaire (ORTO-15) is intended to support clinical formulation by identifying the degree to which food-related beliefs and behaviors may be rigid, distressing, or functionally impairing.

The instrument includes 15 items and typically takes about 3 minutes to complete. It is commonly used in clinical and research settings as a brief screening tool and does not, by itself, establish a diagnosis. When elevation is observed, results should be interpreted in the context of clinical interview, eating-disorder assessment, and relevant medical and psychosocial factors. The Rome Orthorexia Nervosa Questionnaire (ORTO-15) is sometimes cited in relation to Steven Bratman.

Author: Steven Bratman, Thomas F. Cash
Literature: Dunn, T. M., & Bratman, S. On orthorexia nervosa: A review of the literature and proposed diagnostic criteria. Eating Behaviors. 2016.
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