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Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial

We conducted a cluster randomised controlled trial of parents in 56 primary schools and community service centres (clusters) to evaluate the effectiveness of a single-session workshop on promoting more fruit and vegetable (FV) intake. A total of 803 parents were randomised to the FV intervention arm...

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Autores principales: Sun, Yuying, Fung, Samantha S. W., Man, Patrick K. W., Wan, Alice N. T., Stewart, Sunita, Lam, Tai Hing, Ho, Sai Yin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8153553/
https://www.ncbi.nlm.nih.gov/pubmed/34068437
http://dx.doi.org/10.3390/ijerph18105206
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author Sun, Yuying
Fung, Samantha S. W.
Man, Patrick K. W.
Wan, Alice N. T.
Stewart, Sunita
Lam, Tai Hing
Ho, Sai Yin
author_facet Sun, Yuying
Fung, Samantha S. W.
Man, Patrick K. W.
Wan, Alice N. T.
Stewart, Sunita
Lam, Tai Hing
Ho, Sai Yin
author_sort Sun, Yuying
collection PubMed
description We conducted a cluster randomised controlled trial of parents in 56 primary schools and community service centres (clusters) to evaluate the effectiveness of a single-session workshop on promoting more fruit and vegetable (FV) intake. A total of 803 parents were randomised to the FV intervention arm (16 clusters, n = 197), the more appreciation control arm (19 clusters, n = 270), or the less criticism control arm (21 clusters, n = 336). The FV intake of the FV arm was compared with that of the combined more appreciation or less criticism (MALC) arm. Both arms received a 2 h workshop: (i) the FV arm on increasing FV consumption and related food literacy; (ii) the MALC arm on increasing appreciation or reducing criticism of children. Primary outcomes were FV consumption per day in the past week assessed at baseline, 2-weeks, and 6-weeks. Secondary outcomes were behavioural determinants proposed by the Health Action Process Approach (HAPA), including outcome expectancies, self-efficacy, intention, and planning behaviour. The FV arm had a greater increase in FV consumption than the MALC arm, with large effect sizes (d: 0.97–1.08) and improvements in behavioural determinants with small effect sizes at all time points (d: 0.19–0.43). Our study was the first population-based randomised controlled trial to show that a brief, single 2 h HAPA-based workshop was effective in promoting fruit and vegetable intake in parents.
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spelling pubmed-81535532021-05-27 Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial Sun, Yuying Fung, Samantha S. W. Man, Patrick K. W. Wan, Alice N. T. Stewart, Sunita Lam, Tai Hing Ho, Sai Yin Int J Environ Res Public Health Article We conducted a cluster randomised controlled trial of parents in 56 primary schools and community service centres (clusters) to evaluate the effectiveness of a single-session workshop on promoting more fruit and vegetable (FV) intake. A total of 803 parents were randomised to the FV intervention arm (16 clusters, n = 197), the more appreciation control arm (19 clusters, n = 270), or the less criticism control arm (21 clusters, n = 336). The FV intake of the FV arm was compared with that of the combined more appreciation or less criticism (MALC) arm. Both arms received a 2 h workshop: (i) the FV arm on increasing FV consumption and related food literacy; (ii) the MALC arm on increasing appreciation or reducing criticism of children. Primary outcomes were FV consumption per day in the past week assessed at baseline, 2-weeks, and 6-weeks. Secondary outcomes were behavioural determinants proposed by the Health Action Process Approach (HAPA), including outcome expectancies, self-efficacy, intention, and planning behaviour. The FV arm had a greater increase in FV consumption than the MALC arm, with large effect sizes (d: 0.97–1.08) and improvements in behavioural determinants with small effect sizes at all time points (d: 0.19–0.43). Our study was the first population-based randomised controlled trial to show that a brief, single 2 h HAPA-based workshop was effective in promoting fruit and vegetable intake in parents. MDPI 2021-05-13 /pmc/articles/PMC8153553/ /pubmed/34068437 http://dx.doi.org/10.3390/ijerph18105206 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Sun, Yuying
Fung, Samantha S. W.
Man, Patrick K. W.
Wan, Alice N. T.
Stewart, Sunita
Lam, Tai Hing
Ho, Sai Yin
Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial
title Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial
title_full Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial
title_fullStr Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial
title_full_unstemmed Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial
title_short Promoting Fruit and Vegetable Intake in Parents: A Cluster Randomised Controlled Trial
title_sort promoting fruit and vegetable intake in parents: a cluster randomised controlled trial
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8153553/
https://www.ncbi.nlm.nih.gov/pubmed/34068437
http://dx.doi.org/10.3390/ijerph18105206
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