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Active recruitment and limited participant-load related to high participation in large population-based biobank studies.

objectives

Insight into baseline participation rates and their determinants is crucial for designing future population-based biobank studies. We therefore conducted a systematic review and meta-analysis of baseline participation rates and their determinants in large longitudinal population-based biobank studies.

Study design and setting

We screened studies registered within the Public Population Project in Genomics and Society and in the Biobanking and Biomolecular Resources Research Infrastructure catalogues to find potentially eligible studies. We retrieved data with regard to participation rate, biobank design, performed measurements, and specific strategies for improving participation. We calculated weighted pooled proportions for each determinant using random-effects models.

Results

We included 25 studies (participation rates 5-96%). Participation rates were highest for studies involving face-to-face recruitment [82.6%; 95% confidence interval (CI): 72.2%, 90.9%], for studies in which participants were visited for an examination (77.5%; 95% CI: 64.0%, 88.6%) and for studies in which at maximum four measurements were performed (78.2%; 95% CI: 69.7%, 85.7%). Specific strategies to improve participation were not found to be associated with higher participation rates.

Conclusion

Specific choices of recruitment methods and design have consequences for participation rates. These insights may help to increase participation in future studies, thereby enhancing the validity of their findings.

Copyright © 2016 Elsevier Inc. All rights reserved.

Keywords

Determinants; Meta-analysis; Participation; Population-based biobank; Response; Review

Year of publication

2016

Journal

J Clin Epidemiol.

Author(s)

van Zon, SK
Scholtens, S
Reijneveld, SA
Smidt, N
Bültmann, U.

Full publication

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