Near-roadway air pollution associated with COVID-19 severity and mortality - Multiethnic cohort study in Southern California.

ABSTRACT:

Background

Air pollution exposure has been associated with increased risk of COVID-19 incidence and mortality by ecological analyses. Few studies have investigated the specific effect of traffic-related air pollution on COVID-19 severity.

Objective

To investigate the associations of near-roadway air pollution (NRAP) exposure with COVID-19 severity and mortality using individual-level exposure and outcome data.

Methods

The retrospective cohort includes 75,010 individuals (mean age 42.5 years, 54% female, 66% Hispanic) diagnosed with COVID-19 at Kaiser Permanente Southern California between 3/1/2020-8/31/2020. NRAP exposures from both freeways and non-freeways during 1-year prior to the COVID-19 diagnosis date were estimated based on residential address history using th

SUBMITTER: Chen Z 

PROVIDER: S-EPMC8416551 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature