Ontology highlight
ABSTRACT: Background
The burden of disease caused by tobacco use is a grave public health concern in China. Preventing smoking initiation among adolescents will lower the prevalence of adult tobacco use later. Surveillance of tobacco use among adolescents helps set priorities in developing tobacco control policies. We aim to ascertain the prevalence and differences of cigarette use across sex, grade, and region among middle and high school students in 2019 and associated changes from 2013-14 to 2019 among middle school students. Methods
Using a multistage stratified cluster-randomized sampling design with national and provincial representativeness, we conducted two school-based cross-sectional surveys in 2013–14 and in 2019. A total of 155 117 middle school students in grad
SUBMITTER: Zhao Y
PROVIDER: S-EPMC9340429 | biostudies-literature | 2022 Jul
REPOSITORIES: biostudies-literature