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Table 2 Sample characteristics

From: GPS driving: a digital biomarker for preclinical Alzheimer disease

  Without preclinical AD (n = 75) With preclinical AD (n = 64)
Age, years 75.7 ± 4.8 79.1 ± 4.90
APOE ε4+ carrier, % 30 33
Education, years 16.4 ± 2.3 16.5 ± 2.43
Sex, % female 51% 47%
Racea, % White 84% 92%
  1. aThe sample includes only Blacks and Whites