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Association between Recruitment Methods and Attrition in Internet-Based Studies

2014-12-09Journal article Open access
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dc.contributor.authorBajardi, Paolo
dc.contributor.authorPaolotti, Daniela
dc.contributor.authorVespignani, Alessandro
dc.contributor.authorEames, Ken
dc.contributor.authorFunk, Sebastian
dc.contributor.authorEdmunds, W. John
dc.contributor.authorTurbelin, Clement
dc.contributor.authorDebin, Marion
dc.contributor.authorColizza, Vittoria
dc.contributor.authorSmallenburg, Ronald
dc.contributor.authorKoppeschaar, Carl
dc.contributor.authorFranco, Ana O.
dc.contributor.authorFaustino, Vitor
dc.contributor.authorCarnahan, AnnaSara
dc.contributor.authorRehn, Moa
dc.contributor.authorMerletti, Franco
dc.contributor.authorDouwes, Jeroen
dc.contributor.authorFirestone, Ridvan
dc.contributor.authorRichiardi, Lorenzo
dc.date.accessioned2015-09-23T16:29:05Z
dc.date.available2015-09-23T16:29:05Z
dc.date.issued2014-12-09
dc.description.abstractInternet-based systems for epidemiological studies have advantages over traditional approaches as they can potentially recruit and monitor a wider range of individuals in a relatively inexpensive fashion. We studied the association between communication strategies used for recruitment (offline, online, face-to-face) and follow-up participation in nine Internet-based cohorts: the Influenzanet network of platforms for influenza surveillance which includes seven cohorts in seven different European countries, the Italian birth cohort Ninfea and the New Zealand birth cohort ELF. Follow-up participation varied from 43% to 89% depending on the cohort. Although there were heterogeneities among studies, participants who became aware of the study through an online communication campaign compared with those through traditional offline media seemed to have a lower follow-up participation in 8 out of 9 cohorts. There were no clear differences in participation between participants enrolled face-to-face and those enrolled through other offline strategies. An Internet-based campaign for Internet-based epidemiological studies seems to be less effective than an offline one in enrolling volunteers who keep participating in follow-up questionnaires. This suggests that even for Internet-based epidemiological studies an offline enrollment campaign would be helpful in order to achieve a higher participation proportion and limit the cohort attrition.pt_PT
dc.description.sponsorshipISI Foundation, Agence nationale de la recherche (ANR), National Institute for Health Research, Department of Health (UK), Institut de Veille Sanitaire, Compagnia di San Paolo, Health Research Council of New Zealand, Massey University, University of Turin.pt_PT
dc.identifier10.1371/journal.pone.0114925
dc.identifier.citationBajardi P, Paolotti D, Vespignani A, Eames K, Funk S, Edmunds WJ, et al. (2014) Association between Recruitment Methods and Attrition in Internet-Based Studies. PLoS ONE 9(12): e114925. doi:10.1371/journal.pone.0114925pt_PT
dc.identifier.doi10.1371/journal.pone.0114925
dc.identifier.doi10.1371/journal.pone.0114925
dc.identifier.urihttp://hdl.handle.net/10400.7/316
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherPLOSpt_PT
dc.relationDeveloping the Framework for an Epidemic Forecast Infrastructure
dc.relationComplexity and predictability of epidemics: toward a computational infrastructure for epidemic forecasts
dc.relation.publisherversionhttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.0114925#abstract0pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleAssociation between Recruitment Methods and Attrition in Internet-Based Studiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleDeveloping the Framework for an Epidemic Forecast Infrastructure
oaire.awardTitleComplexity and predictability of epidemics: toward a computational infrastructure for epidemic forecasts
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/231807/EU
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/204863/EU
oaire.citation.endPage13pt_PT
oaire.citation.issue12pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titlePLOS Onept_PT
oaire.citation.volume9pt_PT
oaire.fundingStreamFP7
oaire.fundingStreamFP7
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication120acf43-5f6e-4b79-a889-031b54eba6a7
relation.isProjectOfPublication42afe1ce-2c08-4d8a-90a1-162589b166f2
relation.isProjectOfPublication.latestForDiscovery120acf43-5f6e-4b79-a889-031b54eba6a7

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