What accounts for the association between late preterm births and risk of asthma?

ABSTRACT:

Background

Although results of many studies have indicated an increased risk of asthma in former late preterm (LPT) infants, most of these studies did not fully address covariate imbalance.

Objective

To compare the cumulative frequency of asthma in a population-based cohort of former LPT infants to that of matched term infants in their early childhood, when accounting for covariate imbalance.

Methods

From a population-based birth cohort of children born 2002-2006 in Olmsted County, Minnesota, we assessed a random sample of LPT (34 to 36 6/7 weeks) and frequency-matched term (37 to 40 6/7 weeks) infants. The subjects were followed-up through 2010 or censored based on the last date of contact, with the asthma status based on predetermined criteria. The Kaplan-Meier meth

SUBMITTER: Voge GA 

PROVIDER: S-EPMC5332548 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature