Abstract
To evaluate different methods in lifting food literacy which are applied to preschool children. Most articles are based on cross-sectional studies, an observational longitudinal design is seldom used, making it difficult to identify the true effectiveness of the methods. Thus, this article use a longitudinal method, including several online database. A systematic article based on longitudinal researches, by searching data in four electronic databases, Web of Science, PubMed, Elsevier (Science Direct) and Google Scholar, setting eligibility criteria, data selection, extracting data, data synthesis and quality assessment. Study identifies 771 original data, and after the de-duplication and eligibility selection, 9 studies are included in the article. Despite the small amount of literature applied, evidences are quiet useful. In comparison of caregiver-based intervention and classroom-based intervention, the later shows more effectiveness in short-term awareness training. Also, great potential has been found in technology-based intervention. The authors recommend future studies to focus on longitudinal research, so as to assess the potential of early childhood food literacy intervention, the mechanism and methods of these studies, the duration and effectiveness in different followup time etc.
Highlights
Diet-related diseases have been one of the most serious problems everlasting
Williams et al [1] study, it took diet change as a key result. This paper found it had a substantial impact on children's at-home daily consumption of vegetables and use of lowfat/fat-free milk, and had a significant increase in the frequency of child-initiated vegetable snacking after nutrition education for parents
Jones’s study [4], nutritioneducational game was firstly attempted to test on early childhood, and most newly updated technology
Summary
Diet-related diseases have been one of the most serious problems everlasting. There has been numerous studies interpreted the relationship between diet-related behaviors and food literacy. Most of them are based on a caregiver intervention and the school-based intervention Both of them have proved to be effective, but most article and researches are based on cross-sectional cohort, the value of early intervention on food literacy can not be concluded accurately. Another novel category is to take advantage of the technology. The access to technology can be divided into more aspects than the other two interventions, and its assess to the the data can enlarge the subject size
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