April 11, 2024International Journal of EpidemiologyOpen Access

Reweighting UK Biobank corrects for pervasive selection bias due to volunteering

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Volunteer bias substantially distorts health and demographic associations in UK Biobank, occasionally reversing the true direction of relationships seen in census data.
Inverse probability weights eliminate 87% of volunteer bias on average, whereas volunteer-based sampling contracts the effective sample size to 32% of its original size.
Analysis of UK Census and Biobank demographic records enabled estimation of inverse probability weights to correct pervasive selection bias in volunteer-based research.

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Implication

Methodological analysis demonstrates volunteer bias distorts demographic associations in UK Biobank, indicating inverse probability weighting restores representativeness.

Cite This Study

Alten et al. (2024) studied this question.

synapsesocial.com/papers/68e6f722b6db6435876720cc https://doi.org/10.1093/ije/dyae054

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Implication

Methodological analysis demonstrates volunteer bias distorts demographic associations in UK Biobank, indicating inverse probability weighting restores representativeness.

Reweighting UK Biobank corrects for pervasive selection bias due to volunteering

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Implication

Cite This Study

Reweighting UK Biobank corrects for pervasive selection bias due to volunteering

Key Points

Discussion

Implication

Cite This Study

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