Selection bias in general practice research: analysis in a cohort of pregnant Danish women

• Main Authors: Ruth K. Ertmann (Author), Dagny R. Nicolaisdottir (Author), Jakob Kragstrup (Author), Volkert Siersma (Author), Gritt Overbeck (Author), Philip Wilson (Author), Melissa C. Lutterodt (Author)
• Format: Book
• Published: Taylor & Francis Group, 2020-10-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objective The aim of the present study was to examine selection in a general practice-based pregnancy cohort. Design Survey linked to administrative register data. Setting and subjects In spring 2015, GPs were recruited from two Danish regions. They were asked to invite all pregnant women in their p...