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  • Title: The impact of school-based cooking classes on vegetable intake, cooking skills and food literacy of children aged 4-12 years: A systematic review of the evidence 2001-2021.
    Author: Vaughan KL, Cade JE, Hetherington MM, Webster J, Evans CEL.
    Journal: Appetite; 2024 Apr 01; 195():107238. PubMed ID: 38331100.
    Abstract:
    BACKGROUND: Many children consume a poor quality diet with only a third of children aged 6-9 years eating vegetables daily. A high quality diet is important for good health in childhood; however, the prevalence of children living with obesity has doubled from 10% to 23% during primary school in the UK. Cooking lessons have the potential to improve diet quality and reduce obesity prevalence in childhood, both of which are associated with improved cardiometabolic outcomes in adulthood. The aim of this systematic review is to investigate the impact of school-based cooking classes on cooking skills, food literacy and vegetable intake of children aged 4-12 years. METHODS: We conducted a systematic review of OVID Medline, OVID Embase, EBSCO CINHAL and EBSCO ERIC for comparative studies that evaluated outcomes of children receiving cooking classes compared to a control group. Interventions included contained food preparation or a cooking activities and took place on school premises. Risk of bias was assessed using ROB2 and Robins-I. Outcomes were pooled in a meta-analysis using a random-effects model using standardised mean differences or reviewed using narrative synthesis. Certainty of evidence was assessed using GRADE. RESULTS: We included 21 studies, (6 randomised). Meta-analysis showed a small positive effect on cooking self-efficacy of 0.39 units (95% CI 0.05 to 0.54), and a small positive effect on vegetable intake of 0.25 units (95% CI 0.05 to 0.45). Programmes with more than 6 h of cooking showed the greatest effects. CONCLUSIONS: Children's cooking programmes result in small improvements in cooking efficacy and vegetable intake, particularly those with more than 6 h of classes. It is recommended that future interventions use consistent measurement for children's food literacy and cooking confidence.
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