Table 1 Characteristics of study population
From: Dose–response relationship between computerized cognitive training and cognitive improvement
Population (n = 8,709) | Younger group (<60 y) (n = 3,691) | Older group (≥60 y) (n = 5,018) | ||
|---|---|---|---|---|
Age, mean (SD), y | 63.2 (12.3) | 51.4 (5.4) | 71.8 (7.9) | |
Sex | ||||
Male, No. (%) | 5490 (63.0) | 2625 (71.1) | 2865 (57.1) | |
Female, No. (%) | 3219 (37.0) | 1066 (28.9) | 2153 (42.9) | |
Educational level | ||||
Under high school, No. (%) | 4752 (54.6) | 1898 (51.4) | 2854 (56.9) | |
High school or above, No. (%) | 3957 (45.4) | 1793 (48.6) | 2164 (43.1) | |
Cognitive status | ||||
SCD, No. (%) | 673 (7.7) | 288 (7.8) | 385 (7.7) | |
MCI, No. (%) | 5301 (60.9) | 2592 (70.2) | 2709 (54.0) | |
Mild dementia, No. (%) | 2735 (31.4) | 811 (22.0) | 1924 (38.3) | |