Center for Health and the Social Sciences, University of Chicago, Chicago, Illinois 60637, USA.
Am J Prev Med. 2010 Sep;39(3):195-202. doi: 10.1016/j.amepre.2010.05.004.
Studies of the food environment near schools have focused on fast food. Research is needed that describes patterns of exposure to a broader range of food outlet types and that examines the influence of neighborhood built environments.
Using data for New York City, this paper describes the prevalence of five different food outlet types near schools, examines disparities by economic status and race/ethnicity in access to these food outlets, and evaluates the extent to which these disparities are explained by the built environment surrounding the school.
National chain and local fast-food restaurants, pizzerias, small grocery stores ("bodegas"), and convenience stores within 400 m of public schools in New York City were identified by matching 2005 Dun & Bradstreet data to 2006-2007 school locations. Associations of student poverty and race/ethnicity with food outlet density, adjusted for school level, population density, commercial zoning, and public transit access, were evaluated in 2009 using negative binomial regression.
New York City's public school students have high levels of access to unhealthy food near their schools: 92.9% of students had a bodega within 400 m, and pizzerias (70.6%); convenience stores (48.9%); national chain restaurants (43.2%); and local fast-food restaurants (33.9%) were also prevalent within 400 m. Racial/ethnic minority and low-income students were more likely to attend schools with unhealthy food outlets nearby. Bodegas were the most common source of unhealthy food, with an average of nearly ten bodegas within 400 m, and were more prevalent near schools attended by low-income and racial/ethnic minority students; this was the only association that remained significant after adjustment for school and built-environment characteristics.
Nearly all New York City public school students have access to inexpensive, energy-dense foods within a 5-minute walk of school. Low-income and Hispanic students had the highest level of exposure to the food outlets studied here.
关于学校周边食品环境的研究多集中于快餐店。我们需要更多研究来描述更广泛类型的食品店的暴露模式,并检验邻里建成环境的影响。
本文利用纽约市的数据,描述学校周边五种不同食品店的分布情况,考察经济地位和种族/民族差异对这些食品店的可及性,评估学校周边建成环境对这些差异的解释程度。
通过将 2005 年邓白氏数据与 2006-2007 年学校位置相匹配,识别出纽约市公立学校 400 米范围内的全国连锁店和当地快餐餐厅、披萨店、小型杂货店(“bodegas”)和便利店。2009 年,采用负二项回归,在调整学校级别、人口密度、商业分区和公共交通可达性后,评估学生贫困率和种族/民族与食品店密度的关系。
纽约市公立学校学生周边可获取的不健康食品比例较高:92.9%的学生在 400 米范围内有一家 bodegas,70.6%的学生在 400 米范围内有披萨店,48.9%的学生在 400 米范围内有便利店,43.2%的学生在 400 米范围内有全国连锁餐厅,33.9%的学生在 400 米范围内有当地快餐餐厅。少数民族和低收入学生更有可能就读于附近有不健康食品店的学校。bodegas 是最常见的不健康食品来源,在 400 米范围内平均有近 10 家 bodegas,并且在低收入和少数民族学生就读的学校附近更为普遍;在调整学校和建成环境特征后,这是唯一仍然显著的关联。
几乎所有纽约市公立学校的学生在距离学校 5 分钟步行范围内都可以获得便宜、高能量的食物。低收入和西班牙裔学生接触到的食品店最多。