卫生研究

目的 系统收集我国6～18岁儿童营养与健康基础数据。方法 在华东、华北、华中、华南、西南、西北和东北共7个区域组织横断面调查，通过多阶段分层随机整群抽样，抽取14个省(自治区、直辖市)28个城市和农村调查点的6.5万名6～18岁儿童。通过问卷调查、体检、实验室检查和膳食调查收集儿童的膳食摄入、体格发育、骨骼发育、心理智力、生理代谢和体质，评价儿童的营养与健康状况；并调查儿童及其家长的营养与健康知识、身体活动和生活方式。结果 项目已基本完成现场调查和数据录入，共测定我国64 999名6～18岁儿童的体格发育指标，64 463人完成学生调查表，62 448人完成体成分测定，3359人完成智力发育评价等指标。结论项目汇集了营养学、流行病学、儿童保健、心理健康等多领域专家，利用我国疾病预防控制中心和妇幼保健体系，结合科研院所和儿童医院的专业特长，全面收集我国儿童膳食营养、生长发育与健康相关数据，为提出我国儿童营养与健康的改善策略，最终实现数据共享提供基础。

OBJECTIVE To systematically collect basic data on nutrition and health of children aged 6-18 years in China.METHODS A cross-sectional survey was conducted in 7 regions, including Eastern China, Northern China, Central China, Southern China, Southwestern China, Northwestern China, and Northeastern China. A total of 65 000 children aged 6-18 years were selected from 28 urban and rural survey sites in 14 provinces through multistage stratified random cluster sampling. Through a questionnaire survey, physical examination, laboratory examination, dietary survey, children's information on dietary intake, physical development, bone development, psychological intelligence, physiological development, and physique were collected to evaluate children's nutrition and health status; nutrition and health knowledge, physical activity and lifestyle of children and their parents were investigated.RESULTS The project has basically completed the field investigation and data entry, and it has measured the physical development indicators of 64 999 children aged 6-18 years in China. 64 463 completed the student questionnaire; 62 448 completed the body composition measurement, and 3359 completed the assessment of intellectual development.CONCLUSION This project brings together the nutrition, epidemiology, child care, mental health experts with the centers for disease control and prevention, and maternal and child health care system in our country. Combining with research institutes and children's hospitals of professional expertise, the project comprehensively collects children's dietary nutrition, growth and development, and health-related data in our country. It would put forward strategies to improve the children's nutrition and health in China and provide the basis for data sharing.