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ABSTRACT: Introduction
The Baby Hearts study aimed to investigate risk and protective factors for congenital heart disease (CHD), and to investigate the health behaviours of a representative sample of pregnant women in Northern Ireland.Objectives
We describe and evaluate the population-based case-control design enhanced with data linkage to administrative health data.Methods
Cases (mothers of babies with CHD, n=286) were recruited following diagnosis prenatally or postnatally. Controls (mothers of babies without CHD, n=966) were recruited at 18-22 weeks gestation, from all women attending each maternity unit during a designated month. Hybrid data collection methods were used, including a self-administered iPad/postal questionnaire, and linkage to maternity and prescription re
SUBMITTER: McCullough N
PROVIDER: S-EPMC7479919 | biostudies-literature | 2019 Apr
REPOSITORIES: biostudies-literature