Validating marker-based incidence estimates in repeatedly screened populations

Citation
Ga. Satten et al., Validating marker-based incidence estimates in repeatedly screened populations, BIOMETRICS, 55(4), 1999, pp. 1224-1227
Citations number
7
Categorie Soggetti
Biology,Multidisciplinary
Journal title
BIOMETRICS
ISSN journal
0006341X → ACNP
Volume
55
Issue
4
Year of publication
1999
Pages
1224 - 1227
Database
ISI
SICI code
0006-341X(199912)55:4<1224:VMIEIR>2.0.ZU;2-U
Abstract
Disease incidence (new cases of disease per person per year) is usually mea sured by using longitudinal data. However, several recent proposals for mea suring the incidence of human immunodeficiency virus (HIV) rely on cross-se ctional data only. These methods assume each person is only sampled once; h owever, in some instances, it is necessary to consider these cross-sectiona l methods when individuals are represented more than once in the survey sam ple. We derive an extension of the cross-sectional incidence estimator that is valid for data from repeatedly screened populations and show under what conditions our new estimator reduces to the old estimator. An example invo lving estimation of HIV incidence among repeat blood donors is presented.