南京市大学生零食消费现状调查

目的了解南京市大学生零食消费现况。方法采用多阶段分层整群随机抽样的方法确定739名大学生，采用零食消费问卷获取信息。结果100．0％的大学生有吃零食的习惯。不同性别、生源地及生活费大学生零食消费频率不同（P〈O．05）。大学生最常在晚餐后和休息日、休假日吃零食，看电视、游玩、聚会时吃零食也比较多。吃零食主要是因为饥饿和口渴，其次是无聊。选择零食时主要考虑口味。谷类、果蔬类、奶类和饮料类零食每周吃3次以上的人分别占68．1％、63．1％、50．4％和55．1％；糖果类零食每周吃1次及以上的占49．O％；坚果类零食每周吃不足1次的占68．3％。结论应针对大学生的零食消费特征，采取多种方法开展营养教育，使其学会合理选择零食。

Cross-sectional survey on status of snack consuming among college students in Nanjing City

Objective To understand the status of snack consuming among college students in Nanjing City. Methods A total of 739 college students were sampled by the multi-stage random cluster sampling method. The information was investigated by questionnaires. Results All the college students （100%） had the habit of consuming snacks with different frequencies. The main reasons were hungry/thirsty and silly. The main consideration for choosing snacks was good taste. The most common time for snacks was post-dinner and weekend/holiday. While watching TV, traveling and gathering, the students had more snacks, and 68.1%, 63.1%, 50.4% and 55.1% of them had cereal snacks, vegetable and fruit snacks, milk snacks and beverage snacks more than three times per week, 49.0% of students had candy snacks at least once a week, and 68.3 % of students did not had nut snacks once a week. Conclusions Basing on the snack consuming characteristics of college students, we should strengthen the nutrition health education which will help them to choose snacks reasonably.