Initial validation of the Nine Item Avoidant/Restrictive Food Intake disorder screen (NIAS): A measure of three restrictive eating patterns

Initial validation of the Nine Item Avoidant/Restrictive Food Intake disorder screen (NIAS): A... Avoidant/Restrictive Food Intake Disorder (ARFID) is an eating or feeding disorder characterized by inadequate nutritional or caloric intake leading to weight loss, nutritional deficiency, supplement dependence, and/or significant psychosocial impairment. DSM-5 lists three different eating patterns that can lead to symptoms of ARFID: avoidance of foods due to their sensory properties (e.g., picky eating), poor appetite or limited interest in eating, or fear of negative consequences from eating. Research on the prevalence and psychopathology of ARFID is limited by the lack of validated instruments to measure these eating behaviors. The present study describes the development and validation of the nine-item ARFID screen (NIAS), a brief multidimensional instrument to measure ARFID-associated eating behaviors. Participants were 455 adults recruited on Amazon's Mechanical Turk, 505 adults recruited from a nationally-representative subject pool, and 311 undergraduates participating in research for course credit. Exploratory and confirmatory factor analyses provided evidence for three factors. The NIAS subscales demonstrated high internal consistency, test-retest reliability, invariant item loadings between two samples, and convergent/discriminant validity with other measures of picky eating, appetite, fear of negative consequences, and psychopathology. The scales were also correlated with measures of ARFID-like symptoms (e.g., low BMI, low fruit/vegetable variety and intake, and eating-related psychosocial interference/distress), although the picky eating, appetite, and fear scales had distinct independent relationships with these constructs. The NIAS is a brief, reliable instrument that may be used to further investigate ARFID-related eating behaviors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Appetite Elsevier

Initial validation of the Nine Item Avoidant/Restrictive Food Intake disorder screen (NIAS): A measure of three restrictive eating patterns

Loading next page...
 
/lp/elsevier/initial-validation-of-the-nine-item-avoidant-restrictive-food-intake-La4HzScSYY
Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0195-6663
D.O.I.
10.1016/j.appet.2017.11.111
Publisher site
See Article on Publisher Site

Abstract

Avoidant/Restrictive Food Intake Disorder (ARFID) is an eating or feeding disorder characterized by inadequate nutritional or caloric intake leading to weight loss, nutritional deficiency, supplement dependence, and/or significant psychosocial impairment. DSM-5 lists three different eating patterns that can lead to symptoms of ARFID: avoidance of foods due to their sensory properties (e.g., picky eating), poor appetite or limited interest in eating, or fear of negative consequences from eating. Research on the prevalence and psychopathology of ARFID is limited by the lack of validated instruments to measure these eating behaviors. The present study describes the development and validation of the nine-item ARFID screen (NIAS), a brief multidimensional instrument to measure ARFID-associated eating behaviors. Participants were 455 adults recruited on Amazon's Mechanical Turk, 505 adults recruited from a nationally-representative subject pool, and 311 undergraduates participating in research for course credit. Exploratory and confirmatory factor analyses provided evidence for three factors. The NIAS subscales demonstrated high internal consistency, test-retest reliability, invariant item loadings between two samples, and convergent/discriminant validity with other measures of picky eating, appetite, fear of negative consequences, and psychopathology. The scales were also correlated with measures of ARFID-like symptoms (e.g., low BMI, low fruit/vegetable variety and intake, and eating-related psychosocial interference/distress), although the picky eating, appetite, and fear scales had distinct independent relationships with these constructs. The NIAS is a brief, reliable instrument that may be used to further investigate ARFID-related eating behaviors.

Journal

AppetiteElsevier

Published: Apr 1, 2018

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off