. Author manuscript; available in PMC: 2022 Oct 24.

Published in final edited form as: Alzheimers Dement. 2021 Dec 7;18(10):1797–1811. doi: 10.1002/alz.12524

Table 1.

Characteristics of the study participants by cohort.

	N	women		age_BA	age_LE	educ	EMT_Stables		EMT_Decliners		dem_BA		non-dem_BA		APOE_ε4		APOE_nonε4
	N	n	%	age_BA	age_LE	educ	n	%	n	%	n	%	n	%	n	%	n	%
ADNI	1,090	634	58	74±7	79±8	16±3	380	35	710	65	322	30	768	70	501	46	589	54
CHAP	696	431	62	72±5	82±6	15±3	362	52	334	48	10	1	686	99	165	24	531	76
LLFS	1,874	1,040	55	64±11	71±11	12±3	1,047	56	827	44	131	7	1,743	93	400	21	1,474	79
NACC_ADGC	6,774	3,845	57	74±9	78±9	16±3	4,014	59	2,760	41	3,016	44	3,758	55	2,731	40	4,043	60
NIA-LOAD	460	298	65	73±9	77±8	16±3	253	55	207	45	31	7	429	93	152	34	308	64
ROSMAP	1,265	883	70	79±8	87±7	16±4	651	51	614	49	952	75	313	25	317	25	948	75
UKBB	20,184	10,322	51	55±8	63±7	91%	17,451	86	2,733	14	1,390	7	18,794	93	5,310	26	14,874	74
WNHW	619	370	60	76±7	80±8	13±4	597	93	22	7	45	7	574	93	121	19	498	81
WAA	736	532	72	75±6	79±7	12±4	712	97	24	3	37	5	699	95	244	33	492	67
WCH	1,547	1,093	71	76±6	81±7	7±4	972	61	614	39	561	35	1,025	65	402	25	1,184	75

EMTs: Episodic Memory Trajectories; age_BA: age at baseline evaluation; age_LE: age at last evaluation; dem_BA: dementia status at baseline evaluation; non-demBA: non-dementia status at baseline evaluation; WNHW: WHICAP Non-Hispanic Whites; WAA: WHICAP African-Americans; WCH: WHICAP Caribbean-Hispanics