78例寄宿中学生的营养摄入及营养评定

目的：调查全寄宿学校学生的膳食情况，进行营养状况评价。方法：对某全寄宿学校78名初一学生进行三天膳食调查，对能量、蛋白质、脂肪、维生素、矿物质的摄入量进行分析，并结合体格发育进行营养状况评价。结果：该校初一学生平均能量、蛋白、脂肪的摄入量各占中国居民膳食营养素参考摄入量（DRIs)的72％、94％、89％。VitA、VitB1、VitB2、钙明显不足。大多数学生体格发育中等。男生身高、体重较1992年同年龄组全国营养调查结果有明显提高（P＜0．001），女生无明显变化。结论：学生的膳食结构需进一步改善，提高钙和维生素的摄入量，改善烹调方法。

Dietary Investigation and Nutritional Assessment of 78 Resident Middle School Students

Objective To investigate the dietary conditions of the students in a full-residence middle school,and to evaluate the students' nutritional status.Methods A three-day dietary investigation of78students in a full-residence middle school was conducted to analyze the intake of energy,protein,fat,vitamins and evaluate the students ' nutritional status concerning their physical developments.Results The intake of energy,protein and fat of the students could reach72%,94%and89%of Chinese Dietary Reference Intakes (DRIs),respectively.While the intakes of VitA,VitB 1 ,VitB 2 ,calcium were obviously insufficient.Most of the students had middle-level physical developments.The body weight and height of the boys were improved than those of the same -age boys ten years ago(P<0.001).No difference was found in girls.Conclusion The dietary structure of the students should be improved,taking more calcium and vitamins and reforming cook methods.