Study partner type | Totald (N = 2635) | |||
---|---|---|---|---|
Spouse (N = 1729) | Adult child (N = 662) | Other (N = 244) | ||
Participant age | 71.81 (7.9) | 75.77 (7.8) | 74.87 (8.4) | 73.09 (8.1) |
Education (years) | 13.07 (3.9) | 10.61 (4.1) | 11.13 (4.1) | 12.27 (4.1) |
Sex: female | 750 (43%) | 519 (78%) | 189 (77%) | 1458 (55%) |
Regiona | ||||
North America | 722 (42%, 73%) | 172 (26%, 17%) | 89 (36%, 9%) | 983 (37%) |
South America/Mexico | 87 (5%, 43%) | 77 (12%, 38%) | 39 (16%, 19%) | 203 (8%) |
Eastern Europe/Russia | 111 (6%, 38%) | 153 (23%, 53%) | 25 (10%, 9%) | 289 (11%) |
Western Europe/Israel | 413 (24%, 75%) | 100 (15%, 18%) | 36 (15%, 7%) | 549 (21%) |
Australia/South Africa | 113 (7%, 74%) | 22 (3%, 14%) | 18 (7%, 12%) | 153 (6%) |
Asia | 112 (6%, 55%) | 74 (11%, 36%) | 18 (7%, 9%) | 204 (8%) |
Japan | 171 (10%, 67%) | 64 (10%, 25%) | 19 (8%, 7%) | 254 (10%) |
Race/ethnicity | ||||
Caucasian | 1364 (79%) | 452 (68%) | 174 (71%) | 1990 (76%) |
Asian | 292 (17%) | 142 (21%) | 40 (16%) | 474 (18%) |
Hispanic | 57 (3%) | 59 (9%) | 24 (10%) | 140 (5%) |
African American/Black | 16 (1%) | 9 (1%) | 6 (2%) | 31 (1%) |
Baseline assessments | ||||
Mini-Mental State Exam | 20.94 (3.2) | 20.06 (3.0) | 20.66 (3.0) | 20.69 (3.1) |
ADAS-cog | 23.06 (9.0) | 24.7 (9.0) | 23.16 (8.7) | 23.48 (9.0) |
Activities of Daily Living | 61.08 (12.2) | 57.42 (14.5) | 58.72 (14.6) | 59.95 (13.1) |
Hachinski Scoreb | 1 (0, 1) | 1 (0, 1) | 1 (0, 1) | 1 (0, 1) |
Geriatric Depression Scaleb | 2 (1, 3) | 2 (1, 3) | 2 (1, 3) | 2 (1, 3) |
Study partner | ||||
Age | 70.56 (8.7) | 48.08 (9.0) | 56.02 (14.5) | 63.57 (13.7) |
Contribution levelb,c | 5 (5, 5) | 4 (3, 5) | 4 (3, 5) | 5 (4, 5) |
Sex: female | 972 (56%) | 457 (69%) | 200 (82%) | 1629 (62%) |
Paid job | 385 (22%) | 451 (68%) | 119 (49%) | 955 (36%) |