Prevalence and Determinants of Tobacco Smoking Among Low-Income Urban Adolescents.

Tobacco-smoking in children is one of the most crucial public health concerns, which could be highly prevalent in underprivileged populations. A cross sectional, random sampling survey was conducted to determine the prevalence of current tobacco-smoking and related risk factors among adolescents living in a low-income area of Santiago de Chile. Of the 2,747 adolescents participating in the study, 24.

Changes in the prevalence of asthma and related risk factors in adolescents: Three surveys between 1994 and 2015.

Methods: This study assesses the temporal trend of current asthma symptoms prevalence and associated factors in Chilean adolescents from South-Santiago, considering surveys performed in 1994, 2002 and 2015.

Results: The prevalence of current asthma symptoms showed a trend to increase from 11.1% in 1994 to 13.