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Nutrients
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The Impact of Nutritional Education and Food Policy on Consumers
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The Impact of Nutritional Education and Food Policy on Consumers

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition Methodology & Assessment".

Deadline for manuscript submissions: 5 March 2025 | Viewed by 4694

Special Issue Editor

Prof. Dr. Kamioka Hiroharu

E-Mail Website
Guest Editor
Faculty of Regional Environment Science, Tokyo University of Agriculture, Tokyo, Japan
Interests: food environment; food quality; nutritional education

Special Issue Information

Dear Colleagues,

Food policy and nutritional education play crucial roles in promoting health, and several approaches have been proposed to improve nutritional knowledge as a means of reducing dietary risk factors via altering the nutritional behavior of consumers. However, conducting research around nutrition does not necessarily mean that one is able to communicate the knowledge gained to the general public and encourage them to modify their nutrition behavior accordingly. It is crucial that we develop improved ways of communicating nutritional knowledge to the public. In addition, methods traditionally used in consumer behavior research should be incorporated into community nutrition education research to enable and demonstrate the effectiveness of nutritional interventions and their successful application in the context of consumer food choices.

With this in mind, the goal of this Special Issue is firstly to make food policy and nutrition literacy accessible to a wider audience and, secondly, to provide the most original and up-to-date articles on nutrition education. Other topics within the scope of “Nutritional Education and Food Policy on Consumers ” are also welcome.

Prof. Dr. Kamioka Hiroharu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • consumer
  • food choice
  • food policy
  • nutritional education

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Published Papers (3 papers)

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Research

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12 pages, 718 KiB  
Article
Translation, Cultural Adaptation, and Content Validity of the Saudi Sign Language Version of the General Nutrition Knowledge Questionnaire
by Jenan M. Aljubair, Dara Aldisi, Iman A. Bindayel, Madhawi M. Aldhwayan, Shaun Sabico, Tafany A. Alsaawi, Esraa Alghamdi and Mahmoud M. A. Abulmeaty
Nutrients 2024, 16(16), 2664; https://doi.org/10.3390/nu16162664 - 12 Aug 2024
Viewed by 966
Abstract
Profoundly hearing-impaired individuals lack health-promotion education on healthy lifestyles, and this may be due to communication barriers and limited awareness of available resources. Therefore, providing understandable healthy eating knowledge and a proper education evaluation via a questionnaire is vital. The present study aimed [...] Read more.
Profoundly hearing-impaired individuals lack health-promotion education on healthy lifestyles, and this may be due to communication barriers and limited awareness of available resources. Therefore, providing understandable healthy eating knowledge and a proper education evaluation via a questionnaire is vital. The present study aimed to translate, culturally adapt, and validate the content of a Saudi sign language version of the General Nutrition Knowledge Questionnaire (GNKQ). The study followed the World Health Organization guidelines for the translation and cultural adaptation of the GNKQ, using two-phase translation (from English into Arabic and then from Arabic into Saudi sign language), including forward-translation, back-translation, and pilot testing among profoundly hearing-impaired individuals. A total of 48 videos were recorded to present the GNKQ in Saudi sign language. The scale-level content validity index (S-CVI) value was equal to 0.96, and the item-level content validity index (I-CVI) value for all questions was between 1 and 0.9, except for question 6 in section 1, which was 0.6; this discrepancy was due to religious, social, and cultural traditions. The translation, cultural adaptation, and content validity of the Saudi sign language version of the GNKQ were satisfactory. Further studies are needed to validate other measurement properties of the present translated version of this questionnaire. Full article
(This article belongs to the Special Issue The Impact of Nutritional Education and Food Policy on Consumers)
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Review

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14 pages, 1277 KiB  
Review
Research Quality of Clinical Trials Reported for Foods with Function Claims in Japan, 2023–2024: Evaluation Based on a Revised Tool to Assess Risk of Bias in Randomized Trials
by Hiroharu Kamioka, Jun Kitayuguchi, Hideki Origasa and Kiichiro Tsutani
Nutrients 2024, 16(16), 2744; https://doi.org/10.3390/nu16162744 - 17 Aug 2024
Viewed by 1059
Abstract
Background: The Foods with Function Claim was introduced in Japan in April 2015 to make more products available that are labeled with health functions. A product’s functionality of function claims must be explained by the scientific evidence presented in clinical trials (CTs) or [...] Read more.
Background: The Foods with Function Claim was introduced in Japan in April 2015 to make more products available that are labeled with health functions. A product’s functionality of function claims must be explained by the scientific evidence presented in clinical trials (CTs) or systematic reviews, but the quality of recent CTs is unclear. The purpose of this study was to evaluate the risk of bias (RoB) using “a revised tool to assess risk (RoB 2)” published in 2018 for notifications based on all recent CTs published on the Consumer Affairs Agency website. Methods: A total of 38 submitted papers based on CTs that were published on the Consumer Affairs Agency website during the period from 1 January 2023 to 30 June 2024 were eligible. The RoB 2 tool provides a framework for considering the risk of bias in the findings of any type of randomized trial. This tool with five domains was used to evaluate the quality of research methods. Results: Eligible CTs were assessed as “low risk” (11%, n = 4), “medium risk” (13%, n = 5), and “high risk” (76%, n = 29). A number of highly biased papers were published. Bias occurred in all five domains, especially “bias in selection of the reported result (Domain 5)”, which was the most serious (“high risk”; 75%). For elements correlated with RoB, there was no significant difference (p = 0.785) in the RoB 2 score between for-profit and academic research in the author’s affiliated organization. There was no significant difference (p = 0.498) in the RoB score between the published year categories of 2000–2019 and 2020–2024, and no significant difference (p = 0.643) in the RoB score between English and Japanese language publications. Conclusion: Overall, the quality of the latest CTs submitted after 2023 was very low, occurring in all five domains, and was most serious for “bias in selection of the reported result (Domain 5)”. Full article
(This article belongs to the Special Issue The Impact of Nutritional Education and Food Policy on Consumers)
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20 pages, 3012 KiB  
Review
Typical Guidelines for Well-Balanced Diet and Science Communication in Japan and Worldwide
by Naohisa Shobako, Hiroshi Itoh and Keiko Honda
Nutrients 2024, 16(13), 2112; https://doi.org/10.3390/nu16132112 - 2 Jul 2024
Cited by 1 | Viewed by 2039
Abstract
Numerous studies have investigated healthy diets and nutrients. Governments and scientists have communicated their findings to the public in an easy-to-understand manner, which has played a critical role in achieving citizens’ well-being. Some countries have published dietary reference intakes (DRIs), whereas some academic [...] Read more.
Numerous studies have investigated healthy diets and nutrients. Governments and scientists have communicated their findings to the public in an easy-to-understand manner, which has played a critical role in achieving citizens’ well-being. Some countries have published dietary reference intakes (DRIs), whereas some academic organizations have provided scientific evidence on dietary methods, such as traditional diets. Recently, more user-friendly methods have been introduced; the Health Star Rating system and Optimized Nutri-Dense Meals are examples from Australia and Japan, respectively. Both organizations adopt a novel approach that incorporates nudges. This review summarizes the science communication regarding food policies, guidelines, and novel methods in Japan and other countries. In the food policies section, we discuss the advantages and disadvantages of the DRIs and food-based guidelines published by the government. Dietary methods widely known, such as The Mediterranean diet, Nordic diet, Japanese traditional diet, and the EAT-Lancet guidelines, were also reviewed. Finally, we discussed future methods of science communications, such as nudge. Full article
(This article belongs to the Special Issue The Impact of Nutritional Education and Food Policy on Consumers)
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