Form: Orthorexia Nervosa Inventory, ONI

1 – Not at all true
2 – Slightly true
3 – Mainly true
4 – Very true
¹
1
2
3
4
1
Health professionals have expressed concern that my diet is too restrictive.
2
The stricter I become with my diet, the more I seem to experience one or more physical symptoms such as fatigue, faintness, heart racing, nausea, diarrhea, pain, etc.
3
My cleanses or fasts have become more frequent or severe over time.
4
My food restrictions have led me to lose more weight than people would say is good for me.
5
Whenever I feel sick, family or friends comment that the illness may be because my diet is too restrictive.
6
Even though I have eaten much healthier over time, my physical health has actually declined.
7
As a result of the amount of time I devote to my healthy diet, I have spent less time than I used to with my family or friends.
8
While spending time with family or friends, I am frequently distracted by thoughts of eating healthily.
9
My healthy eating is a significant source of stress in my relationships.
10
As a result of the amount of time I devote to my healthy diet, I have either missed time at work or missed classes at school.
11
I either do not buy processed food products or I compulsively check the nutrition labels to ensure that only healthy and pure ingredients are included.
12
I follow a healthy diet with many rules.
13
Over time, my diet has come to include elimination of entire food groups that I believe are unhealthy.
14
Preparing food in the most healthful way is very important in my diet.
15
I strictly avoid all foods I feel are unhealthy.
16
The number of healthy dietary rules that I follow has progressively increased over time.
17
Healthy eating is among the most important things in my life.
18
I follow a health-food diet rigidly, only eating what my diet allows and not allowing myself any deviations from this diet.
19
I care much more about the healthiness of what I eat than the pleasurable taste of food.
20
When I stray from my healthy diet, I can only think about what a failure I am.
21
Whenever I eat anything unhealthy, I feel a great sense of personal impurity.
22
I feel much guilt or self-loathing when I stray from my healthy diet.
23
Feeling good about my body is completely dependent on me strictly following my healthy diet.
24
Just the thought of me eating something unhealthy makes me very anxious.

The presented answer sheet is not an original form and is not intended for printing or use as a handout.

The answer numbers are used only to label response columns. They are NOT scores and should not be used for calculating results.