【摘要】 目的了解广州市中小学生膳食营养知识、态度和行为现状,探索其"知信行"素养与体质指数水平的相关性,为制定广州市中小学生营养健康教育对策提供依据。方法采用整群抽样的方法,对广州市4所中小学579名在校学生膳食营养知识、态度和行为进行问卷调查。结果营养知识知晓程度被评为"优秀"和"良好"的中小学生仅分别占1.1%、5.5%,男生优于女生,差异有统计学意义(χ~2=16.65,P<0.05);58.7%的中小学生对营养知识感兴趣,97.5%意识到营养知识对健康的重要性;超过半数中小学生存在吃零食(90.1%)、挑食偏食(69.2%)、吃宵夜(70.7%)等不良饮食行为;正常组中从不吃宵夜的人数最多,差异有统计学意义(χ~2=17.59,P<0.05)。结论广州市中小学生膳食营养知识、态度和行为的整体水平不高,大多数中小学生的饮食态度较为端正,但仍存在不良饮食行为,其中肥胖中小学生吃宵夜问题尤为严重。应加强膳食营养健康教育,重点纠正低年级与超重肥胖学生的饮食结构与行为。更多还原

【Abstract】 Objective To acquaint the current situation of primary and secondary school students’ nutritional knowledge,attitude,practice( KAP) and investigate the relationship between K-A-P and Body Mass Index( BMI). To provide evidence for the development of nutrition and health education strategies of primary and secondary school students in Guangzhou. Methods A cluster sampling method was used to investigate the knowledge,attitude and behavior of 579 students in four primary and secondary schools in Guangzhou. Results The students who were rated as excellent and good were only 1. 1%,5. 5%,boys were better than girls and its’ difference was statistically significant( χ~2= 16. 65,P < 0. 05); 58. 7% of primary and secondary students were interested in nutrition knowledge,97. 5% realized the importance of nutrition knowledge for health,more than half of primary and secondary school students had unhealthy eating behaviors,such as eating snacks(90. 1%),picky eaters or partial eclipse(69. 2%),eating supper(70. 7%). In the normal group,the number of students who didn’ t eat supper was the highest(χ~2= 17. 59,P < 0. 05). Conclusion The overall level of knowledge,attitude and behavior of dietary nutrition of primary and secondary school students in Guangzhou was not high,most of the primary and secondary school students’ nutritional attitude were good,but some bad eating habits still existed,eating supper problem was particularly serious in the obese students,so diet structure and habits should be corrected on focus in the low grade and overweight and obesity students.更多还原