TABLE 1.

Participants' characteristics

		All (n = 293)		Male (n = 89)		Female (n = 204)
		Mean	SD	Mean	SD	Mean	SD
All	Age (years)	53.4	17.4	48.4	19.2	55.5	16.1
	MMSE	29.5	0.8	29.6	0.7	29.5	0.9
	ACE‐R total	96.5	2.6	96.7	2.6	96.4	2.7
	Attention	17.9	0.3	17.9	0.3	17.9	0.3
	Memory	24.1	1.8	24.4	1.6	24.0	1.8
	Fluency	13.6	0.9	13.6	1.0	13.7	0.8
	Language	25.1	1.0	25.2	0.9	25.1	1.0
	Visuospatial	15.7	0.7	15.6	0.8	15.7	0.6
20s	Age (years)	24.3	2.6 (n = 47)	24.1	2.1 (n = 23)	24.5	3.0 (n = 24)
	MMSE	29.9	0.4	30.0	0.0	29.8	0.5
	ACE‐R total	96.9	1.8	96.7	1.6	97.0	1.9
30s	Age (years)	33.4	2.8 (n = 28)	33.2	2.3 (n = 12)	33.6	3.1 (n = 16)
	MMSE	29.4	0.3	29.9	0.3	29.9	0.3
	ACE‐R total	97.9	2.1	98.2	1.8	97.7	2.3
40s	Age (years)	44.7	3.1 (n = 26)	43.9	3.2 (n = 9)	45.1	2.9 (n = 17)
	MMSE	29.7	0.4	29.8	0.4	29.7	0.5
	ACE‐R total	97.6	2.2	97.0	2.4	97.9	1.9
50s	Age (years)	54.7	3.1 (n = 52)	54.7	3.3 (n = 9)	54.7	3.0 (n = 43)
	MMSE	29.6	0.6	29.7	0.5	29.6	0.6
	ACE‐R total	97.3	2.2	96.8	2.5	97.4	2.1
60s	Age (years)	64.9	2.6 (n = 81)	65.6	2.5 (n = 19)	64.6	2.6 (n = 62)
	MMSE	29.3	0.9	29.3	0.8	29.3	0.9
	ACE‐R total	96.2	2.8	96.5	2.9	96.1	2.7
70s	Age (years)	72.3	2.4 (n = 56)	71.9	2.4 (n = 17)	72.5	2.4 (n = 39)
	MMSE	29.1	1.1	29.0	1.1	29.1	1.1
	ACE‐R total	95.1	2.9	95.9	3.2	94.8	2.7
80s	Age (years)	83.7	1.7 (n = 3)	—	— (n = 0)	83.7	1.7 (n = 3)
	MMSE	29.0	0.8	—	—	29.0	0.8
	ACE‐R total	91.3	1.2	—	—	91.3	1.2

Abbreviations: ACE‐R, Addenbrooke's Cognitive Examination‐Revised; MMSE, Mini‐Mental State Examination; SD, standard deviation.