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随着现代生活水平的不断提高,城市中小学生吃零食的现象比较普遍。零食主要是指在非正餐时间食用的各种少量的食物和饮料(不包括水)[1]。零食可以提供部分营养素和能量来作为饥饿时的补充,但不可忽视的是零食中含有大量的糖、盐和脂肪,摄入过多的零食会影响儿童青少年的能量代谢,从而导致体重增加、营养素摄入不足等一系列健康问题[2-5]。为了解北京市西城区中小学生零食摄入状况,探究影响学生零食摄入的因素,笔者利用2015年4—5月开
With the continuous improvement of modern living standards, urban primary and secondary school students eat snacks is more common. Snacks are mainly small quantities of food and drink (excluding water) consumed during non-dinner hours [1]. Snacks can provide partial nutrients and energy as a supplement to starvation, but it can not be ignored that snacks contain lots of sugar, salt and fat. Excessive consumption of snacks can affect the energy metabolism of children and adolescents, leading to weight gain. Nutrients Inadequate intake and a series of health problems [2-5]. In order to understand the snacks intake of primary and secondary school students in Xicheng District, Beijing, to explore the factors that affect the snack intake of students, the author makes use of April-May 2015 to open