Table 1 Description of the Tracking and Comprehensive cohorts of the CLSA at baseline
Demographic variables and sample sizes for cognitive tests | Tracking (N = 21,241) | Comprehensive (N = 30,097) |
|---|---|---|
Age (years): mean (SD) | 63.01 (10.67) | 62.96 (10.25) |
Sex: number (%) men | 10,406 (49.0%) | 14,777 (49.1%) |
Education level: number (%) | ||
  < high school | 1986 (9.4%) | 1643 (5.5%) |
 High school graduate | 2880 (13.6%) | 2839 (9.4%) |
 Some post-secondary | 1620 (7.6%) | 2238 (7.4%) |
 Post-secondary degree/diploma | 14,661 (69.1%) | 23,327 (77.5%) |
  (Missing) | (94) | (50) |
REY I immediate recall: number (%) | ||
 English | 15,989 (81.7%) | 23,456 (80.7%) |
 French | 3587 (17.6%) | 5615 (19.3%) |
  (Missing or inconsistent) | (1665) | (1026) |
REY II delayed recall: number (%) | ||
 English | 16,038 (82.4%) | 23,217 (80.7%) |
 French | 3419 (17.6%) | 5542 (19.3%) |
  (Missing or inconsistent) | (1784) | (1338) |
MAT: number (%) | ||
 English | 15,781 (86.2%) | 22,575 (80.5%) |
 French | 2534 (13.8%) | 5480 (19.5%) |
  (Missing or inconsistent language used) | (2926) | (2042) |
Animal Fluency: number (%) | ||
 English | 16,783 (85.9%) | 23,550 (81.6%) |
 French | 2762 (14.1%) | 5300 (18.4%) |
  (Bilingual, missing or inconsistent language used) | (1696) | (1247) |
Stroop Interference | ||
 English | n/a | 24,323 (80.8%) |
 French |  | 5746 (19.1%) |
  (Missing) |  | (28) |
FAS total | ||
 English | n/a | 22,886 (82.4%) |
 French |  | 4905 (17.6%) |
 Missing or inconsistent language used |  | (2,306) |