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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