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)

  1. SCD subjective cognitive decline, MCI mild cognitive impairment.