NIAS
Nine Item Avoidant/Restrictive Food Intake Disorder Screen (NIAS)
The NIAS is a brief self-report questionnaire designed to identify the core symptoms of avoidant/restrictive food intake disorder. It explores three commonly observed clinical presentations: picky eating related to sensory characteristics, low interest in eating or poor appetite, and fear of aversive consequences of eating such as choking, vomiting, or digestive discomfort. Its short format makes it useful as a first-line tool for clinical screening, diagnostic guidance, research, and monitoring changes in symptoms.
- Number of questions
- 9 questions
- Estimated duration
- 2 minutes
- Language
- English
- Original name
- Nine Item Avoidant/Restrictive Food Intake Disorder Screen
- Target audience
- Adolescents and adults
- Authors
- Hana F. Zickgraf, Jordan M. Ellis (2018)
- Category
- Eating disorders
Scoring & interpretation
Each item is scored from 0 to 5, from strongly disagree to strongly agree. Sum items 1 to 3 for picky eating, items 4 to 6 for poor appetite or lack of interest in eating, and items 7 to 9 for fear of aversive consequences. The total score ranges from 0 to 45, with high scores indicating more pronounced symptomatology. In practice, commonly used screening cutoffs are 10 for picky eating, 9 for appetite, and 10 for fear. Interpretation must be cross-checked against the absence of predominant concerns about weight or body shape and, if necessary, supplemented by a diagnostic interview.
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