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Online market research panel members as controls in case-control studies to investigate gastrointestinal disease outbreaks : early experiences and lessons learnt from the UK
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Mook, P., McCormick, J., Kanagarajah, S., Adak, G .K., Cleary, P., Elson, R., Gobin, M., Hawker, J., Inns, T., Sinclair, C., Trienekens, S. C. M., Vivancos, R. and McCarthy, Noel D. (2018) Online market research panel members as controls in case-control studies to investigate gastrointestinal disease outbreaks : early experiences and lessons learnt from the UK. Epidemiology and Infection, 146 (4). pp. 458-464. doi:10.1017/S0950268817002953 ISSN 0950-2688.
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Official URL: https://doi.org/
Abstract
Established methods of recruiting population controls for case-control studies to investigate gastrointestinal disease outbreaks can be time consuming, resulting in delays in identifying the source or vehicle of infection. After an initial evaluation of using online market research panel members as controls in a case-control study to investigate a Salmonella outbreak in 2013, this method was applied in four further studies in the UK between 2014 and 2016. We used data from all five studies and interviews with members of each outbreak control team and market research panel provider to review operational issues, evaluate risk of bias in this approach and consider methods to reduce confounding and bias. The investigators of each outbreak reported likely time and cost savings from using market research controls. There were systematic differences between case and control groups in some studies but no evidence that conclusions on the likely source or vehicle of infection were incorrect. Potential selection biases introduced by using this sampling frame and the low response rate are unclear. Methods that might reduce confounding and some bias should be balanced with concerns for overmatching. Further evaluation of this approach using comparisons with traditional methods and population-based exposure survey data is recommended.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Population, Evidence & Technologies (PET) Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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Journal or Publication Title: | Epidemiology and Infection | ||||||||
Publisher: | Cambridge University Press | ||||||||
ISSN: | 0950-2688 | ||||||||
Official Date: | March 2018 | ||||||||
Dates: |
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Volume: | 146 | ||||||||
Number: | 4 | ||||||||
Page Range: | pp. 458-464 | ||||||||
DOI: | 10.1017/S0950268817002953 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 21 December 2017 | ||||||||
Date of first compliant Open Access: | 26 January 2018 |
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