Changes in children's respiratory morbidity and residential exposure factors over 25 years in Chongqing, China.

ABSTRACT:

Background

Respiratory morbidity and mortality during childhood remains a major challenge for global health. Due to the rapid economic development in Chongqing, we expect substantial temporal changes in respiratory health status and environmental risk factors in children. By leveraging a historical dataset, this study aims to assess the changes in prevalence of respiratory symptoms and diseases, residential exposure factors, and their associations in school-age children over a period of 25 years.

Methods

This study involved two cross-sectional surveys conducted in Chongqing with a 25-year interval (2017 vs. 1993). Purpose sampling was used to conduct questionnaire surveys on school-age children in both surveys. Information collected include children's respiratory heal

SUBMITTER: Li Y 

PROVIDER: S-EPMC7656426 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature