Evidence map›Paper›PMID 29332618›Full record

ArticleEpidemiology and infection2018

Online market research panel members as controls in case-control studies to investigate gastrointestinal disease outbreaks: early experiences and lessons learnt from the UK.

P Mook, J McCormick, S Kanagarajah, G K Adak, P Cleary, R Elson, M Gobin, J Hawker, T Inns, C Sinclair and 3 more

Erratum issuedAbstract read
In one paragraph

Article in Epidemiology and infection, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. National outbreak of Shiga toxin-producingEpidemiology and infection · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

13 authors.

P MookField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.ORCID 0000-0002-8661-4606
J McCormickGastrointestinal Infections,National Infection Service,PHE,London,UK.
S KanagarajahGastrointestinal Infections,National Infection Service,PHE,London,UK.
G K AdakGastrointestinal Infections,National Infection Service,PHE,London,UK.
P ClearyField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
R ElsonGastrointestinal Infections,National Infection Service,PHE,London,UK.
M GobinField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
J HawkerField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
T InnsField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
C SinclairField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
S C M TrienekensField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
R VivancosField Epidemiology Service,National Infection Service,Public Health England (PHE),London,UK.
N D McCarthyDivision of Health Sciences,Warwick Medical School,University of Warwick,Coventry,UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

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.

Indexed as

Case-Control StudiesDisease OutbreaksMarketingFemaleGastrointestinal DiseasesHumansInternetInterviews as TopicMaleUnited KingdomCase–control studiesepidemiologic research designgastrointestinal infectionsoutbreaks

Identifiers

PMID29332618
PMCPMC5848756

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.