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Table 2 Baseline characteristics of the analytical sample (n = 39,387)

From: Estimating prevalence of subjective cognitive decline in and across international cohort studies of aging: a COSMIC study

Study

Country

Sample size

Age

M (SD; R)

Females (%)

Education in years

M (SD)

Main ethnicity

ActiveAging

Indonesia

260

68.60 (7.66; 60–97)

64.2

6.21 (4.73)

Asian

CFAS

UK

11,363

74.82 (6.64; 64–105)

59.2

10.03 (2.28)

White

EAS

USA

1950

78.53 (5.34; 64–100)

61.3

13.26 (3.59)

White (66.6%), African

American/Black (27.0%)

EPIDEMCA

Republic of Congo, Central African Republic

1736

72.74 (6.44; 65–99)

60.4

2.06 (3.86)

Black African

ESPRIT

France

2022

73.09 (5.50; 65–96)

58.0

12.34 (2.26)

White

Invece.Ab

Italy

1142

72.15 (1.28; 70–75)

53.9

7.00 (3.27)

White

KLOSCAD

Korea

5784

69.78 (6.48; 60–96)

55.7

8.37 (5.29)

Asian

LEILA75+

Germany

875

81.51 (4.87; 75–99)

73.6

11.95 (1.81)

White

LRGS-TUA

Malaysia

1964

68.60 (5.94; 60–92)

50.2

5.47 (3.97)

Asian

MAAS

Netherlands

457

68.94 (6.02; 60–83)

49.5

9.47 (2.82)

White

MoVIES

USA

1188

74.06 (5.35; 66–97)

60.4

11.30 (2.48)

White

PATH

Australia

1469

70.60 (1.49; 68–74)

49.7

14.08 (2.67)

White

SGS

Japan

1948

73.44 (6.05; 65–93)

58.0

11.10 (2.50)

Asian

SLASII

Singapore

2364

69.02 (6.71; 60–94)

60.7

5.41 (4.17)

Asian

SydneyMAS

Australia

966

78.85 (4.82; 70–91)

55.2

11.63 (3.49)

White

ZARADEMP

Spain

3899

73.15 (9.20; 60–102)

56.5

7.18 (3.83)

White

Total

N/A

39,387

73.07 (7.08; 60–105)

57.7

9.13 (4.43)

N/A

  1. M mean, N/A not applicable, R range, SD standard deviation