Incidence of dementia among participants and nonparticipants in a longitudinal study of cognitive aging.

@article{Knopman2014IncidenceOD,
  title={Incidence of dementia among participants and nonparticipants in a longitudinal study of cognitive aging.},
  author={David S. Knopman and Rosebud O. Roberts and V. Shane Pankratz and Ruth H. Cha and Walter A. Rocca and M. M. Mielke and Bradley F. Boeve and Eric G. Tangalos and Robert J. Ivnik and Yonas Endale Geda and Ronald C. Petersen},
  journal={American journal of epidemiology},
  year={2014},
  volume={180 4},
  pages={414-23}
}
Although rates of incident dementia have been reported from several populations, the impact of nonparticipation on dementia incidence in studies of cognitive aging is unknown. In 2004, investigators with the Mayo Clinic Study of Aging selected persons aged 70-89 years from an enumeration of all Olmsted County, Minnesota, residents (age- and sex-stratified random sample). Of 4,398 potential participants, 2,050 agreed to undergo an in-person health assessment. Those participants were reevaluated… CONTINUE READING

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