Table 1.

Population characteristics, brain measures and raw test scores for HVLT-R, ROCF and MoCA for 497 participants of the Whitehall II Imaging Sub-study. HVLT-R and ROCF loaded highly on the verbal and visuospatial memory factors respectively. Values represent mean ± standard deviation.

Demographics
Age (years)	69.4 ± 5.2 (range: 60.3–82.0)
Sex (% male)	79.9%
Education (years)	14.6 ± 3.3
Brain measures
Total brain volume (l)	1.4 ± 0.1
Grey matter (%)	38.5 ± 1.9
White matter (%)	38.8 ± 1.9
Cerebrospinal fluid (%)	22.7 ± 2.8
Cognitive performance
MoCA score (points)	27.2 ± 2.3 (range: 17–30)
MoCA score (% below 26)	29.2%
HVLT-R Total recall (words)	27.7 ± 4.6 (range: 11–36)
HVLT-R Delayed recall (words)	9.3 ± 2.6 (range: 0–12)
ROCF Copy (score)	31.2 ± 4.0 (range: 6–36)
ROCF Immediate recall (score)	15.6 ± 6.6 (range 0–32)
ROCF Delayed recall (score)	15.3 ± 6.2 (range 0–30)