Association of Changes in Air Quality With Incident Asthma in Children in California, 1993-2014.

ABSTRACT:

Importance

Exposure to air pollutants is a well-established cause of asthma exacerbation in children; whether air pollutants play a role in the development of childhood asthma, however, remains uncertain.

Objective

To examine whether decreasing regional air pollutants were associated with reduced incidence of childhood asthma.

Design, setting, and participants

A multilevel longitudinal cohort drawn from 3 waves of the Southern California Children's Health Study over a period of air pollution decline. Each cohort was followed up from 4th to 12th grade (8 years): 1993-2001, 1996-2004, and 2006-2014. Final follow-up for these data was June 2014. Population-based recruitment was from public elementary schools. A total of 4140 children with no history of asthma and residin

SUBMITTER: Garcia E 

PROVIDER: S-EPMC6537847 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature