Table 1.

Characteristics of the genotyped Generation Scotland cohort study members

Variable	Genotyped cohort			Unrelated genotyped cohort
	n	Mean (SD)		n	Mean (SD)
Demographics
Age (years)	10,000	54a	43–62	6,815	57a	49–63
Sex—female	10,000	5,864b	59	6,815	4,002b	59
Height (cm) (n = 9,969)
Female	5,843	162	7	3,987	162	6
Male	4,126	176	7	2,805	175	7
Cognitive
Digit symbol test	9,862	70.2	17.2	6,718	68.4	16.8
Verbal fluency	9,883	40.5	12.0	6,736	41.0	12.2
Logical memory	9,880	30.7	8.0	6,731	30.3	7.9
Mill Hill vocabulary scale	9,824	30.8	4.6	6,694	31.2	4.7

^aMedian (quartiles)

^bn (%)