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通过对合肥市中专生1599名的早餐、夜宵及零食行为状况进行横断面调查，结果表明：中专生每天均早餐者占82．9％；每天吃夜宵者为2.5％；男生和女生每天有吃零食习惯的分别为2.626％和22．63％，同时还对相关行为习惯的影响因素进行了分析。
The cross-sectional survey on the behavior of 1599 middle school students in Hefei City for breakfast, supper and snacks showed that: secondary school students daily breakfast accounted for 82.9%; daily snack was 2.5%; boys and girls daily Snacking habits were 2.626% and 22.63%, respectively, but also on the behavior of the relevant factors were analyzed.