The lack of access to fruit/vegetable markets (FVMs) is thought to be a risk factor for childhood obesity by discouraging healthy dietary behaviours while encouraging access to venues that offer more unhealthy food (and thus the compensatory intake of those options). However, findings remain mixed, and there has not been a review of the association between FVM access and childhood obesity. A comprehensive and systematic understanding of this epidemiologic relationship is important to the design and implementation of relevant public health policies. In this study, a literature search was conducted in the Cochrane Library, PubMed, and Web of Science for articles published before 1 January 2019 that focused on the association between neighbourhood FVM access and weight-related behaviours and outcomes among children and adolescents. Eight cross-sectional studies, two longitudinal studies, and one ecological study conducted in five countries were identified. The median sample size was 2142 ± 1371. Weight-related behaviours and outcomes were used as the outcome variable in two and eight studies, respectively, with one study using both weight-related behaviours and outcomes as outcome variables. We still found a negative association between access to FVMs in children's residential and school neighbourhoods and weight-related behaviours and an inconclusive association between FVM access and overweight or obesity. This conclusion should be regarded as provisional because of a limited amount of relevant evidence and may not be a strong guide for policymaking. Nonetheless, it points to an important research gap that needs to be filled if successful public health interventions are to be undertaken.

中文翻译：

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进入水果和蔬菜市场和儿童肥胖症：系统评价。

无法进入水果/蔬菜市场 (FVM) 被认为是儿童肥胖的一个风险因素，因为它会阻碍健康的饮食行为，同时鼓励人们进入提供更多不健康食品的场所（从而补偿性摄入这些选择）。然而，研究结果仍然喜忧参半，并且没有对 FVM 访问与儿童肥胖之间的关联进行审查。全面和系统地了解这种流行病学关系对于相关公共卫生政策的设计和实施非常重要。在本研究中，对 2019 年 1 月 1 日之前发表的文章在 Cochrane 图书馆、PubMed 和 Web of Science 中进行了文献搜索，重点关注邻里 FVM 访问与儿童和青少年体重相关行为和结果之间的关联。确定了在五个国家进行的八项横断面研究、两项纵向研究和一项生态学研究。中位数样本量为 2142 ± 1371。体重相关行为和结果分别在两项和八项研究中用作结果变量，其中一项研究使用体重相关行为和结果作为结果变量。我们仍然发现儿童住宅和学校社区使用 FVM 与体重相关行为之间存在负相关，而 FVM 使用与超重或肥胖之间存在不确定的关联。由于相关证据数量有限，该结论应被视为暂时性的，可能不是决策的有力指南。尽管如此，