Evaluation of trends in the nutritional status of students at Thanh Thuy secondary school, Hanoi: A three-year consecutive cross-sectional study

This study aims to assess the changes in nutritional status among students aged 11 to 14 at Thanh Thuy Secondary School, Hanoi, over three consecutive years (2021 to 2023). The study involved a total of 606 students in 2021, 638 in 2022, and 694 in 2023.