Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
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Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz · Nov 2014
Randomized Controlled Trial Multicenter StudyCollection of vaccination data in the German National Cohort : Findings of a feasibility study in three study centers.
Data about the vaccination status of participants are required in epidemiological cohort studies whenever infection or immunity is considered as potential exposure or outcome. Within Pretest 2 of the German National Cohort (GNC) we therefore investigated the acceptance and feasibility of extracting vaccination status from vaccination certificates provided by the participants of the study. ⋯ The reliable documentation of vaccinations within the context of the GNC proved to be feasible and thus recommendable at a large scale within the GNC as participants showed high willingness and compliance in providing available vaccination documents. An additional validation by means of documents provided by physicians seems to be possible for more than a quarter of participants. In order to maximize the likelyhood of participants' of bringing their vaccination certificates it would be sufficient to send a reminder card together with the appointment letter.