Validity of self-reported vaccination status among French healthcare students
P Loulergue1, C Pulcini, S Massin
1Paris Sorbonne Cité, Université Paris Descartes, Paris, France; Inserm CIC 1417, Paris, France; Assistance Publique-Hôpitaux de Paris, Groupe Hospitalier Cochin-Hôtel Dieu-Broca, CIC Cochin-Pasteur, Paris, France.
Abstract:
Data on validity of self-reported vaccinations are scarce. This study, performed on healthcare students in Paris (France), aimed to evaluate this validity for occupational vaccinations. The validity of self-reported vaccination status was compared with written information. A total of 432 students were enrolled. Sensitivity rates for BCG, hepatitis B and measles were over 74%. For diphtheria-tetanus-polio and pertussis, sensitivity was below 50%. Specificity was between 70 and 95% for dTP-pertussis, and below 35% for all others. Overall, the validity of self-reported information was low, meaning that checking medical records remains the preferable strategy for assessing immunization status.
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