Table 1.
Participant characteristics by group—normal cognition vs mild cognitive impairment.
| Demographics | Cognitively healthy (n=21) | Mild cognitive impairment (n=28) | |
| Age (years), mean (SD) | 73.0 (5.3) | 75.1 (6.3) | |
| Gender, n (%) | |||
|
|
Male | 7 (33) | 9 (32) |
|
|
Female | 14 (67) | 19 (68) |
| Years of education, mean (SD) | 7.0 (4.0) | 4.5 (3.9) | |
| Employment (currently employed part time), n (%) | 8 (38) | 2 (7) | |
| Housing type—Housing Development Board 1-2 room flat, n (%) | 14 (67) | 20 (71) | |
| Marital status, n (%) | |||
|
|
Never married | 8 (38) | 10 (36) |
|
|
Separated/divorced | 7 (33) | 9 (32) |
|
|
Widowed | 5 (24) | 9 (32) |
| Medical conditions, n (%) | |||
|
|
Hypertension | 11 (52) | 17 (60) |
|
|
Hyperlipidemia | 12 (57) | 19 (68) |
|
|
Diabetes mellitus | 4 (19) | 6 (22) |
|
|
Stroke | 0 (0) | 3 (11) |
|
|
Ischemic heart disease | 2 (10) | 4 (14) |
| Psychometric measures, mean (SD) | |||
|
|
Mini-Mental State Examination | 28.1 (3.2) | 26.3 (2.2) |
|
|
Montreal Cognitive Assessment | 27.5 (1.6) | 24.0 (3.1) |
|
|
Geriatric Depression Scale | 0.6 (0.7) | 1.4 (1.0) |
|
|
Zung Depression Scale | 44.5 (2.1) | 42.7 (3.4) |
|
|
Pittsburg Sleep Quality Index | 3.8 (3.2) | 5.0 (2.2) |
|
|
Friendship Scale | 18.5 (1.7) | 19.1 (1.7) |