Abstract:
:Current methods of control recruitment for case-control studies can be slow (a particular issue for outbreak investigations), resource-intensive and subject to a range of biases. Commercial market panels are a potential source of rapidly recruited controls. Our study evaluated food exposure data from these panel controls, compared with an established reference dataset. Market panel data were collected from two companies using retrospective internet-based surveys; these were compared with reference data from the National Diet and Nutrition Survey (NDNS). We used logistic regression to calculate adjusted odds ratios to compare exposure to each of the 71 food items between the market panel and NDNS participants. We compared 2103 panel controls with 2696 reference participants. Adjusted for socio-demographic factors, exposure to 90% of foods was statistically different between both panels and the reference data. However, these differences were likely to be of limited practical importance for 89% of Panel A foods and 79% of Panel B foods. Market panel food exposures were comparable with reference data for common food exposures but more likely to be different for uncommon exposures. This approach should be considered for outbreak investigation, in conjunction with other considerations such as population at risk, timeliness of response and study resources.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Inns T,Curtis D,Crook P,Vivancos R,Gardiner D,McCarthy N,Mook Pdoi
10.1017/S0950268819000219subject
Has Abstractpub_date
2019-01-01 00:00:00pages
e99eissn
0950-2688issn
1469-4409pii
S0950268819000219journal_volume
147pub_type
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