Comparison of nutrition and visual health between Tibetan migrant students and local students in Gannan of Lanzhou New District

Abstract

Objective This paper studies the nutritional and vision health status of Tibetan migrant students and the differences between the local students in Lanzhou and them to provide a theoretical basis for nutrition intervention and vision protection for students. Methods Cluster sampling method was used to select 2 434 students migrating from Gannan Tibetan Autonomous Prefecture to a boarding middle school, and 3 291 students from three middle schools in Qilihe District of Lanzhou from September to December 2020. All the students were administered physical and visual examination. Proportion of nutritional status, poor eyesight and myopia by gender and age groups between Tibetan migrant students and local students were analyzed. Results The detection rate of overweight and obesity in Tibetan migrant boys(2.8%, 5.7%) and girls(11.0%, 8.3%) was lower than that of local students of the same sex(5.6%, 8.3%;24.9%, 20.9%) (χ2=12.17, 7.21, P Conclusion Tibetan migrant students was lower than that of local students. More attention should be paid to nutrition intake of Tibetan boys to prevent malnutrition. The detection rate of myopia in Tibetan migrant students is low, but the detection rate of severe poor vision among Tibetan students in the junior high school group is higher than that of local students, and attention should be paid to the visual health of Tibetan students in junior high school.