Validation of the e-NutLit, an electronic tool to assess nutrition literacy

Journal article

Franklin, Janet, Holman, Cheyenne, Tam, Ryan, Gifford, Janelle, Prvan, Tania, Stuart-Smith, Wendy, Denyer, Gareth, Markovic, Tania and O'Connor, Helen. (2020). Validation of the e-NutLit, an electronic tool to assess nutrition literacy. Journal of Nutrition Education and Behavior. 52(6), pp. 607-614. https://doi.org/10.1016/j.jneb.2019.10.008
AuthorsFranklin, Janet, Holman, Cheyenne, Tam, Ryan, Gifford, Janelle, Prvan, Tania, Stuart-Smith, Wendy, Denyer, Gareth, Markovic, Tania and O'Connor, Helen
Abstract

Objective
To validate an electronic nutrition literacy assessment tool (e-NutLit).

Design
Cross-sectional.

Setting
An Australian teaching hospital obesity clinic (clinical cohort) and university (dietetic cohort).

Participants
A convenience sample of patients with obesity (body mass index > 35 kg m−2) (obese participants [OP]) and dietetic interns (DI).

Interventions
The e-NutLit was administered to OP and scores were compared with performance on the Newest Vital Sign and e-NutLit scores of the DI to establish construct validity. A subset of OP completed the e-NutLit again to examine instrument temporal stability. Internal consistency was assessed using Cronbach α.

Main Outcome Measures
Construct validity, temporal stability, and internal consistency.

Analysis
Parametric and nonparametric tests and general linear modeling were used as appropriate.

Results
A total of 103 participants completed the study (OP: n = 59; 64.4% female; DI: n = 44; 86.4% female). Newest Vital Sign and e-NutLit scores were significantly and positively associated (rs = 0.66; P <.001). The DI performed significantly better than the OP (OP: 59.7 ± 13.1 percentage points; DI: 83.9 ± 5.5 percentage points; P <.001), further supporting construct validity. The e-NutLit Cronbach α was >0.9 indicating a good level of internal consistency. The OP test and retest scores were not significantly different, supporting instrument temporal stability.

Conclusion and Implications
The results support the validity of the e-NutLit, for both clinicians and researchers.

Keywordsnutrition; literacy; health; knowledge; electronic
Year2020
JournalJournal of Nutrition Education and Behavior
Journal citation52 (6), pp. 607-614
PublisherElsevier Inc.
ISSN1499-4046
Digital Object Identifier (DOI)https://doi.org/10.1016/j.jneb.2019.10.008
Scopus EID2-s2.0-85076523564
Research or scholarlyResearch
Page range607-614
FunderNational Heart Foundation of Australia
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online27 Nov 2019
Publication process dates
Accepted14 Oct 2019
Deposited24 Aug 2022
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