Nutrition Literacy Assessment Instrument

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Characteristics
Domains assessed: Prose: Comprehension, Numeracy, Conceptual Knowledge, Application/function
Specific context: Nutrition, Health Promotion, Diabetes, Cancer, Blood Pressure
Validation sample population age: Adults: 18 to 64 years
Modes of administration in validation study: Paper and pencil, Face-to-face, Computer-based

Psychometrics
Number of items: 64
Sample size in validation study: 429
Administration Time (minutes): 25 minutes
Language of validated version: English

Main article reference

Gibbs HD, Ellerbeck EF, Gajewski B, Zhang C, Sullivan DK. (2018) The Nutrition Literacy Assessment Instrument is a valid and reliable measure of nutrition literacy in adults with chronic disease. J Nutr Educ Behav, 50(3):247-257.e1.PMID: 29246567.

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Corresponding author
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Heather Gibbs
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Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS, United States of America
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Description

Nutrition literacy is an individual’s ability to use nutrition information and skills to make nutrition decisions. Skills assessed by the NLit including 6 subscales that measure ability to answer nutrition questions using text information, portion sizing, consumer skills, grouping foods, reading food labels, and knowledge of energy sources in food. The measure is available in long format (64 items) and short format (42 items)

Year Measure first Published: 2012

About This Measure
Categorical scoring: Yes
Scoring categories: Long format scores have a possible range: 0-64; A score /= 58 considered 'likelihood of good nutrition literacy.' Shortened format scores have a possible range of 0-42. /=39 considered 'likelihood of good nutrition literacy.'

About the Validation of this Measure
Country where validated: United States of America
Content validity: Expert review returned a Scale Content Validity Index of 0.90 after deletion of items with individual content validity index of
Reliability notes: Substantial reliability was determined via confirmatory factor analysis (0.97, 95% CI = 0.96 – 0.98).
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