Ten-year time trends in preterm birth during a sociodemographic transition period: a retrospective cohort study in Shenzhen, China.

ABSTRACT:

Objectives

To investigate time trends of preterm birth and estimate the contributions of risk factors to the changes in preterm birth rates over a decade (2009-2018) of transitional period in Shenzhen, China.

Design

Retrospective cohort study between 2009 and 2018.

Setting

All births in Baoan during January 2009 and December 2018 registered in the Shenzhen Birth Registry Database.

Participants

478 044 live births were included with sociodemographic and medical records for both women and infants.

Outcome measures

The incidence rate of preterm birth stratified by different maternal and infant characteristics. Multiple logistic regression was used to identify significant risk factors associated with preterm birth. The population attributable risk fraction o

SUBMITTER: Ma R 

PROVIDER: S-EPMC7577040 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature