The vast majority of the cohort was white (90%) with most being of Jewish (70%), Italian, German, or Irish backgrounds.
Diagnosis & Evaluation Methods
For a detailed description of screening protocol and dementia diagnoses, see Katzman et al. (1989) and Verghese et al. (2003).
Hall CB, Lipton RB, Sliwinski M, Katz MJ, Derby CA, Verghese J. Cognitive activities delay onset of memory decline in persons who develop dementia. Neurology. 2009 Aug 4;73(5):356-361.
Katzman R, Aronson M, Fuld P, Kawas C, Brown T, Morgenstern H, et al. Development of dementing illnesses in an 80-year-old volunteer cohort. Ann Neurol. 1989 Apr;25(4):317-324.
Verghese J, Lipton RB, Hall CB, Kuslansky G, Katz MJ. Low blood pressure and the risk of dementia in very old individuals. Neurology. 2003 Dec 23;61(12):1667-1672.