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The development of a web-based program to reduce dietary salt intake in schoolchildren: study protocol

Grimes, Carley Ann, Booth, Alison, Khokhar, Durreajam, West, Madeline, Margerison, Claire, Campbell, Karen and Nowson, Caryl 2017, The development of a web-based program to reduce dietary salt intake in schoolchildren: study protocol, JMIR Research protocols, vol. 6, no. 5, doi: 10.2196/resprot.7597.

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Title The development of a web-based program to reduce dietary salt intake in schoolchildren: study protocol
Author(s) Grimes, Carley AnnORCID iD for Grimes, Carley Ann orcid.org/0000-0002-9123-1888
Booth, AlisonORCID iD for Booth, Alison orcid.org/0000-0003-4914-7006
Khokhar, Durreajam
West, MadelineORCID iD for West, Madeline orcid.org/0000-0002-6590-0486
Margerison, ClaireORCID iD for Margerison, Claire orcid.org/0000-0002-2722-6128
Campbell, KarenORCID iD for Campbell, Karen orcid.org/0000-0002-4499-3396
Nowson, CarylORCID iD for Nowson, Caryl orcid.org/0000-0001-6586-7965
Journal name JMIR Research protocols
Volume number 6
Issue number 5
Article ID e103
Total pages 17
Publisher JMIR Publications
Place of publication Toronto, Ont.
Publication date 2017-05-31
ISSN 1929-0748
Keyword(s) Australia
Internet
child
nutrition
sodium chloride, dietary
sodium, dietary
website development
Summary Background: Salt intake of schoolchildren in the Australian state of Victoria is high. To protect future cardiovascular health, interventions that seek to reduce the amount of salt in children’s diets are required.

Objective: We sought to develop and pilot test a Web-based program (Digital Education to Limit Salt Intake in the Home [DELISH]) that aims to reduce dietary salt intake among schoolchildren and to improve child and parent knowledge, attitudes, and behaviors related to salt intake. This paper presents the DELISH study protocol, along with pilot findings used to inform the development of the program.

Methods: The DELISH program is a 5-week Web-based intervention that targets schoolchildren aged 7-10 years and their parents. This is a single-arm study with a pretest and posttest design. We will assess change in salt intake through analysis of 24-hour urinary sodium excretion. Children and parents will complete online surveys assessing knowledge, attitudes, and behaviors related to salt intake. We will assess feasibility of the program via process measures, which include metrics to describe intervention uptake (eg, number of children who complete Web-based sessions and of parents who view online newsletters) and evaluation surveys and interviews conducted with children, parents, and schoolteachers. The first 2 Web sessions developed for children were pilot tested in 19 children aged 8-12 years.

Results: Findings from pilot testing indicated that most children (session 1: 18/19, 95%; and session 2: 19/19, 100%) enjoyed completing each session and liked the inclusion of comic strips and interactive games. Commonly reported areas of improvement related to sessions being text and content heavy. Based on these findings, we simplified sessions and developed 3 additional sessions for use in the DELISH program. The DELISH program was implemented during June-December 2016. We expect to have results from this study at the end of 2017.

Conclusions: To our knowledge, this is the first Australian study to examine the effectiveness of a Web-based program to reduce salt intake among children in primary school. If shown to be acceptable and effective in lowering salt intake, the DELISH program could be tested using a more rigorous randomized controlled trial design.
Language eng
DOI 10.2196/resprot.7597
Field of Research 111104 Public Nutrition Intervention
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, Carley Ann Grimes, Alison Booth, Durreajam Khokhar, Madeline West, Claire Margerison, Karen Campbell, Caryl Nowson
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30097946

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
Open Access Collection
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.