Estimation of the prevalence of primary Sjögren's syndrome in two age‐different community‐based populations using two sets of classification criteria: the Hordaland Health Study

@article{Haugen2008EstimationOT,
  title={Estimation of the prevalence of primary Sj{\"o}gren's syndrome in two age‐different community‐based populations using two sets of classification criteria: the Hordaland Health Study},
  author={Anne Julsrud Haugen and Elisabeth Peen and B Hult{\'e}n and Anne Christine Johannessen and Johan G Brun and A K Halse and H J Haga},
  journal={Scandinavian Journal of Rheumatology},
  year={2008},
  volume={37},
  pages={30 - 34}
}
Objective: To estimate the point prevalence of primary Sjögren's syndrome (pSS) in two populations, aged 40–44 and 71–74 years, using two sets of classification criteria. Methods: The participating individuals were recruited from the Hordaland Health Study (HUSK) conducted during 1997–99. A total of 18 592 individuals born 1953–57 and 3346 individuals born 1925–27 were sent a questionnaire covering various health‐related questions, including four questions about sicca symptoms. Among those… 
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