Natural history and associated early life factors of childhood asthma: a population registry-based cohort study in Denmark.

ABSTRACT:

Objective

Asthma is a common chronic disease that imposes a substantial burden on individuals and society. However, the natural history of childhood asthma in a large population remained to be studied. This study aimed to describe the natural course of childhood asthma and examine the association between early life factors and childhood asthma.

Design

A population-based cohort study.

Setting

This study was based on the national registry data in Denmark.

Participants

All liveborn singletons in Denmark during 1995-1997 were identified and followed them till the end of 2009. Finally, 193 673 children were eligible for our study.

Exposures

The following characteristics were examined as potential early life factors associated with childhood asthma, including

SUBMITTER: Chen Q 

PROVIDER: S-EPMC8627404 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature