US County-Level Variation in Preterm Birth Rates, 2007-2019.

ABSTRACT:

Importance

Preterm birth is a leading cause of preventable neonatal morbidity and mortality. Preterm birth rates at the national level may mask important geographic variation in rates and trends at the county level.

Objective

To estimate age-standardized preterm birth rates by US county from 2007 to 2019.

Design, setting, and participants

This serial cross-sectional study used data from the National Center for Health Statistics composed of all live births in the US between 2007 and 2019. Data analyses were performed between March 22, 2022, and September 29, 2022.

Main outcomes and measures

Age-standardized preterm birth (<37 weeks' gestation) and secondarily early preterm birth (<34 weeks' gestation) rates by county and year calculated with a validated small ar

SUBMITTER: Khan SS 

PROVIDER: S-EPMC10709777 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature