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Association between health literacy and dietary intake of sugar, fat and salt: a systematic review

OBJECTIVES: To collect and summarise all current data from observational studies, generating evidence of the association between health literacy (HL) and the dietary intake of sugar, salt and fat, to analyse intervention studies on the promotion of an appropriate dietary intake of the above-mentione...

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Autores principales: Buja, Alessandra, Grotto, Giulia, Montecchio, Laura, De Battisti, Elisa, Sperotto, Milena, Bertoncello, Chiara, Cocchio, Silvia, Baldovin, Tatjana, Baldo, Vincenzo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Cambridge University Press 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8145460/
https://www.ncbi.nlm.nih.gov/pubmed/32744216
http://dx.doi.org/10.1017/S1368980020002311
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author Buja, Alessandra
Grotto, Giulia
Montecchio, Laura
De Battisti, Elisa
Sperotto, Milena
Bertoncello, Chiara
Cocchio, Silvia
Baldovin, Tatjana
Baldo, Vincenzo
author_facet Buja, Alessandra
Grotto, Giulia
Montecchio, Laura
De Battisti, Elisa
Sperotto, Milena
Bertoncello, Chiara
Cocchio, Silvia
Baldovin, Tatjana
Baldo, Vincenzo
author_sort Buja, Alessandra
collection PubMed
description OBJECTIVES: To collect and summarise all current data from observational studies, generating evidence of the association between health literacy (HL) and the dietary intake of sugar, salt and fat, to analyse intervention studies on the promotion of an appropriate dietary intake of the above-mentioned nutrients and to ascertain whether HL moderates the efficacy of such intervention. DESIGN: A systematic literature search of analytical observational studies on the association between HL and dietary intake of sugar, salt and fat was performed in Medline and Scopus databases. Intervention studies on the promotion of healthy nutrition that concerned the intake of sugar, salt and fat were also assessed. RESULTS: Of the eight observational studies included in this review, five investigated dietary intake of sugar, one focused on salt, one assessed sugar and salt and one analysed the fat intake. The results of the five studies assessing sugar were mixed: three found an association between low levels of HL and a high sugar intake, one found this association only for boys and two found no evidence of any association. The two studies assessing salt and the one assessing fat found no evidence of any association with HL. One intervention study on the sugar intake concluded that HL was not a significant moderator of the intervention’s effectiveness. CONCLUSION: No evidence of any association between HL and salt and fat intake emerged, while for sugar, the results are mixed. More work is needed to better understand the moderating effects of HL on the outcomes of health promotion interventions.
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spelling pubmed-81454602021-06-04 Association between health literacy and dietary intake of sugar, fat and salt: a systematic review Buja, Alessandra Grotto, Giulia Montecchio, Laura De Battisti, Elisa Sperotto, Milena Bertoncello, Chiara Cocchio, Silvia Baldovin, Tatjana Baldo, Vincenzo Public Health Nutr Review Article OBJECTIVES: To collect and summarise all current data from observational studies, generating evidence of the association between health literacy (HL) and the dietary intake of sugar, salt and fat, to analyse intervention studies on the promotion of an appropriate dietary intake of the above-mentioned nutrients and to ascertain whether HL moderates the efficacy of such intervention. DESIGN: A systematic literature search of analytical observational studies on the association between HL and dietary intake of sugar, salt and fat was performed in Medline and Scopus databases. Intervention studies on the promotion of healthy nutrition that concerned the intake of sugar, salt and fat were also assessed. RESULTS: Of the eight observational studies included in this review, five investigated dietary intake of sugar, one focused on salt, one assessed sugar and salt and one analysed the fat intake. The results of the five studies assessing sugar were mixed: three found an association between low levels of HL and a high sugar intake, one found this association only for boys and two found no evidence of any association. The two studies assessing salt and the one assessing fat found no evidence of any association with HL. One intervention study on the sugar intake concluded that HL was not a significant moderator of the intervention’s effectiveness. CONCLUSION: No evidence of any association between HL and salt and fat intake emerged, while for sugar, the results are mixed. More work is needed to better understand the moderating effects of HL on the outcomes of health promotion interventions. Cambridge University Press 2021-06 2020-08-03 /pmc/articles/PMC8145460/ /pubmed/32744216 http://dx.doi.org/10.1017/S1368980020002311 Text en © Cambridge University Press 2020 https://creativecommons.org/licenses/by/4.0/This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Review Article
Buja, Alessandra
Grotto, Giulia
Montecchio, Laura
De Battisti, Elisa
Sperotto, Milena
Bertoncello, Chiara
Cocchio, Silvia
Baldovin, Tatjana
Baldo, Vincenzo
Association between health literacy and dietary intake of sugar, fat and salt: a systematic review
title Association between health literacy and dietary intake of sugar, fat and salt: a systematic review
title_full Association between health literacy and dietary intake of sugar, fat and salt: a systematic review
title_fullStr Association between health literacy and dietary intake of sugar, fat and salt: a systematic review
title_full_unstemmed Association between health literacy and dietary intake of sugar, fat and salt: a systematic review
title_short Association between health literacy and dietary intake of sugar, fat and salt: a systematic review
title_sort association between health literacy and dietary intake of sugar, fat and salt: a systematic review
topic Review Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8145460/
https://www.ncbi.nlm.nih.gov/pubmed/32744216
http://dx.doi.org/10.1017/S1368980020002311
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