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UK Biobank, big data, and the consequences of non-representativeness
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“Importantly, selection bias can result in AI models trained on a sample that differs considerably from the general population 161 , thus hurting these models at inference time 162”
From Multimodal biomedical AI (2022) · cites this paper as [162]
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Transportability of Trial Results Using Inverse Odds of Sampling Weights
Westreich, D. J., Edwards, J. K., Lesko, C. R., Stuart, E. A., & Cole, S. R. (2017) · American Journal of Epidemiology · doi:10.1093/aje/kwx164 · Cited by 324
Self-citationGeneralizing Study Results: A Potential Outcomes Perspective
Lesko, C. R., Buchanan, A. L., Westreich, D., Edwards, J. K., Hudgens, M. G., & Cole, S. R. (2017) · Epidemiology · doi:10.1097/ede.0000000000000664 · Cited by 269
Self-citationTarget Validity and the Hierarchy of Study Designs
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Cytomegalovirus is not associated with cognitive function in UK adults aged 40 to 70 years
Gale, S. D., Erickson, L. D., Brown, B. L., & Hedges, D. W. (2022) · Psychiatry Research · doi:10.1016/j.psychres.2022.114410 · Cited by 4
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Self-citationRacial, Ethnic, and Geographic Diversity in Population Neuroscience
Shaaban, C. E., & Rosso, A. L. (2024) · Current topics in behavioral neurosciences · doi:10.1007/7854_2024_475 · Cited by 4
Modifiable risk factors and excess mortality in depression: Data from the UK Biobank
Barros, V. B., & Filho, A. D. P. C. (2024) · General Hospital Psychiatry · doi:10.1016/j.genhosppsych.2024.08.010 · Cited by 5
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“The latter is also influenced by within family genetic factors (Knafo and Jaffee 2013).”
BackgroundGlobal patterns of prognostic biomarkers across disease space
Murad, N., & Melamud, E. (2022) · Scientific Reports · doi:10.1038/s41598-022-25209-y · Cited by 4
“The UK Biobank is a largely representative cohort of the UK population, although it is biased toward a healthier subset of the UK population 30,31 .”
Cañadas‐Garre, M., Kunzmann, A. T., Anderson, K., Brennan, E. P., Doyle, R., Patterson, C., Godson, C., Maxwell, A. P., & McKnight, A. J. (2023) · International Journal of Molecular Sciences · doi:10.3390/ijms241311209 · Cited by 4
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Big data in autism research: Methodological challenges and solutions
Lee, B. K., Schendel, D., & Shea, L. (2023) · Autism Research · doi:10.1002/aur.3007 · Cited by 4
“Thus, a larger sample size in big data studies does not overcome selection issues, and may hide such issues under the shiny façade of a large sample size (Keyes & Westreich, 2019).”
BackgroundWalker, B., Gibson, J., Jackson, C., Blaikley, J., Jones, S. E., Rutter, M. K., & Sutton, M. (2024) · Chronobiology International · doi:10.1080/07420528.2024.2441192 · Cited by 5
“However, some studies (Batty et al. 2020; Gregson et al. 2019; Liu et al. 2023; Warrington et al. 2019) but not all (Keyes and Westreich 2019; Swanson 2012; Van Alten et al. 2022) have suggested that risk factor associations identified in the UK Biobank are generalisable.”
Gómez, L., Díaz‐Torres, S., Colodro‐Conde, L., García‐Marín, L. M., Yap, C. X., Byrne, E. M., Yengo, L., Lind, P. A., Wray, N. R., Medland, S. E., et al. (2022) · European Archives of Psychiatry and Clinical Neuroscience · doi:10.1007/s00406-022-01527-0 · Cited by 3
Age-related decrements in cortical gyrification: Evidence from an accelerated longitudinal datasetPreprint
Madan, C. R. (2020) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2020.03.05.979344 · Cited by 3
When data generate populations
Chioléro, A., & Carmeli, C. (2023) · International Journal of Epidemiology · doi:10.1093/ije/dyad166 · Cited by 2
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“Page 12/14 Note: CHD, coronary heart disease; Full-score = 400/800 points.”
Biesen, W. V., Buturović‐Ponikvar, J., Fontana, M., Heering, P., Sever, M. Ş., Sawhney, S., & Luyckx, V. A. (2024) · Nephrology Dialysis Transplantation · doi:10.1093/ndt/gfae267 · Cited by 3
“Furthermore, such individuals or groups might be less well represented in a dataset, resulting in bias if an algorithm is applied to them [10 ].”
Willis, S. A., Alruwaili, A., Hartescu, I., Deighton, K., Goodwin, C., Henson, J. J., Thackray, A. E., Stensel, D. J., & King, J. A. (2025) · Appetite · doi:10.1016/j.appet.2025.108428 · Cited by 2
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“Aconcernacrossbiobanks,including AllofUs ,hasbeentherepresentativenessofthepopulations fromwhichtheyaredrawn(Fryetal.,2017;Keyes&Westreich,2019;Zengetal.,2024)andpotential selection bias compared to the underlying source population (Bradley & Nichols, 2022; Fry et al., 2017; Lee et al., 2023;…”
Self-citationProteomic signatures of ambient air pollution and risk of type 2 diabetes
Yuan, S., Li, Y., Bao, Y., Gu, J., Li, T., Han, L., Zhao, S., Shen, C., Deng, X., & Ran, J. (2026) · Ecotoxicology and Environmental Safety · doi:10.1016/j.ecoenv.2026.120474 · Cited by 2
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A Genetic Analysis of Current Medication Use in the UK Biobank
Rohde, P. D. (2024) · Journal of Personalized Medicine · doi:10.3390/jpm14030319 · Cited by 2
“Fifth, the findings presented here are specific to UK Biobank participants, who are not representative of the general UK population [59,60] and may not translate to other populations and other health systems.”
BackgroundProgress of artificial intelligence in anesthesia and perioperative medicine
Guo, W.-H., Zang, Q.-L., Xu, B., Xu, T.-Y., Chen, Z.-H., & Zhou, M. (2024) · Perioperative Precision Medicine · doi:10.61189/536468bkwzzn · Cited by 2
“The main cause of ML data bias is the lack of diversity of data samples [45].”
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Polygenic liability for anxiety in association with comorbid anxiety in multiple sclerosis
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“We attempted to balance the limitations of the UKB with its advantages, including its size and extensive phenotype measures, 44 while including other cohorts that supplemented our cohort of PwMS.”
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The association between biological aging markers and valvular heart diseases
Liu, X. Z., Da, L. U. O., Zheng, H. U., Hangyu, T. I. A. N., Jiang, H. F., & Chen, J. (2025) · Journal of Zhejiang University (Medical Sciences) · doi:10.3724/zdxbyxb-2024-0416 · Cited by 1
Characterizing aging-related genetic and physiological determinants of spinal curvature
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“…of the UKBB imaging study are healthy volunteers recruited from the general community and therefore tend to be healthier than the general population 80 ; however, the cohort is well-suitedto answer questions about various genetic, aging, and pathological factors that contribute to increased spinal…”
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PCSK9 genetic variants, carotid atherosclerosis and vascular remodelling
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Statistical Aspects of Racial and Ethnic Health Disparities
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Phenomic profiles and disease patterns of 1.9 million participants from Our Future Health
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“Such biases can confound interpretation of analysis results and may reduce the generalizability of exposure–disease associations 18 , as has long been discussed 19,20 .”
Merchant, E. K., & Gutmann, M. P. (2022) · IEEE Annals of the History of Computing · doi:10.1109/mahc.2022.3214634 · Cited by 1
“…as HRS and Add Health, may have been representative of some population (Americans over age 50 in the case of HRS and Americans who were in high school in the 1990s in the case ofAdd Health),thelargest sources ofgenomic data, such as the U.K. Biobank, are not representative of any population [37].”
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Perspectives on early health economic evaluations of RNA therapies targeted at lipoprotein(a)
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Assessing the Causal Role of Sleep Traits on Glycated Hemoglobin: A Mendelian Randomization Study
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What Can Big Data Teach Us About Air Pollution and Pneumonia?
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Aging of the Spine: Characterizing genetic and physiological determinants of spinal curvaturePreprint
Wang, F. M., Ruby, J. G., Sethi, A., Veras, M. A., Telis, N., & Melamud, E. (2024) · medRxiv · doi:10.1101/2024.02.27.24303450 · Cited by 1
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The State of Motion: Demographic and Representational Consequences of Motion-Based Exclusion in FMRIPreprint
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Unsupervised Learning for Large Scale Data: The ATHLOS ProjectPreprint
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Cardiovascular risk and disease management in diabetes: differences between women and men.
de Jong, M. (2021) · Utrecht University Repository (Utrecht University) · doi:10.33540/590
Marketing Populations for Biomedical Research
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Gómez, L., Díaz‐Torres, S., Colodro‐Conde, L., García‐Marín, L. M., Yap, C. X., Byrne, E. M., Yengo, L., Lind, P. A., Wray, N. R., Medland, S. E., et al. (2021) · medRxiv · doi:10.1101/2021.10.26.21265507
“Previous studies have shown that attrition can influence measures of association [4] by creating a bias in the prevalence and incidence of the variables studied.”
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Response to “Importance of method assumptions”
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“We concede that the use of the UK Biobank as a population sample is potentially imperfect (mostly due to the biased, volunteer-based sampling frame) [3] for the deployment of a pure negative control analysis, as it will be for many other forms of both observational and applied epidemiological…”
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“First, the UK Biobank sample is not representative of the general population, which may hamper the reliable estimation of causal relationships 37-39 .”
BackgroundArtificial Intelligence in Health Care from Oncology to Perioperative Care
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Ethical considerations in the use of patient medical records for research
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PCSK9 genetic variants, carotid atherosclerosis and vascular remodellingPreprint
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“Seventh, the UK Biobank study participants are not population-representative and are selected toward healthier individuals (79, 80).”
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Exploring the link between body physiology and cognition: the role of the brain and aging
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To whom do our observational studies apply? Representativeness and selection bias in cohort studies
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“First, although our study used large-scale UKB data, participants are generally healthier and have a higher socio-economic status than the general population, which may limit generalizability and introduce selection bias, including additional bias related to the first MHQ participation (47,48).”
Genetic predisposition to schizophrenia and circulating proteins in 44,661 UK Biobank participantsPreprint
Strawbridge, R. J., McQueen, D., Kendall, K. M., Anderson, J., Casanova, F., Fajs, N., Gebretsadik, E. T., Hayman, M. M. E., Ho, F. K. W., Lyall, D. M., et al. (2026) · Research Square · doi:10.21203/rs.3.rs-10592335/v1
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“Such selection is a recognised feature of volunteer-based biobank cohorts and can distort exposure–outcome contrasts [47 ].”
Our Future Health and the next generation of population medicine
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Allostatic load predicts symptom burden among breast cancer survivors
Guan, Y., Shen, J., Boyle, J., Daniel, K. E., Chow, P. I., Fuemmeler, B. F., & Zhao, H. (2026) · Breast Cancer Research · doi:10.1186/s13058-026-02389-3
Rare genetic variants influence participation in cognitive components of the UK BiobankPreprint
Fenner, E., Holmans, P., O’Donovan, M. C., Owen, M. J., Rees, E., & Walters, J. T. (2026) · medRxiv · doi:10.64898/2026.10.08.26365060
Metadata
- Authors
- Keyes, K. M., & Westreich, D.
- Affiliations
- Universidad Mayor (CL)
- University of North Carolina at Chapel Hill (US)
- Corresponding author
- Keyes, Katherine M
- Venue
- The Lancet
- Publisher
- Elsevier BV
- Published
- 2019-03
- Volume
- 393
- Issue
- 10178
- Pages
- 1297
- ISSN
- 0099-5355 (ISSN-L)
- 0140-6736
- PMC
- PMC7825643
- OpenAlex
- W2928514898
- Cited by
- 187
- References
- 4
- Citations by year
- 2026: 21 · 2025: 26 · 2024: 36 · 2023: 26 · 2022: 32 · 2021: 20 · 2020: 19 · 2019: 7
- FWCI
- 15.41
- Type
- journal article
- Language
- en
- Open access
- green
- doi.org
- Locations
- The Lancet (publishedVersion)
- PubMed (publishedVersion)
- Carolina Digital Repository (University of North Carolina at Chapel Hill) (acceptedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- UNC Libraries
- Funders
- National Institute on Alcohol Abuse and Alcoholism (K01AA021511)
- National Instititues of Health (OD/NICHD DP2-HD-08–4070)
- Topics
- Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Epidemiology
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Ethics in Clinical Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
- Keywords
- UK Biobank, sample representativeness, big data, causal effect estimation, generalizability of study results
- MeSH terms
- Big Data, Environmental Exposure, United Kingdom, Health Resources, Humans, Volunteers, Biological Specimen Banks, Health Information Systems
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