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Table 1 Sample demographics

From: Is geriatric depression scale a valid instrument to screen depression in Chinese community-dwelling elderly?

 

Whole sample

Participants with normal cognition

Participants with screened MCI

P

Sample size (n, %)

12,610 (100.0)

3601 (100.0)

1902 (100.0)

-

Age (y, mean ± SD)

67.3 ± 7.6

66.6 ± 7.1

68.6 ± 7.7

< 0.0001

Gender (n, %)

 Male

5441 (43.2)

1612 (44.8)

826 (43.4)

0.3422§

 Female

7169 (56.8)

1989 (55.2)

1076 (56.6)

GDS-30 score (P50, (P25, P75))

4 (2, 8)

4 (2, 9)

5 (2, 9)

< 0.0001

Degree of depressive symptoms (n, %)

 No

11,412 (90.5)

3267 (90.7)

1708 (89.8)

0.1441§

 Mild

1122 (8.9)

318 (8.8)

178 (9.4)

 Moderate to severe

76 (0.6)

16 (0.5)

16 (0.8)

Education-adjusted MoCA score (P50, (P25, P75))

24 (19, 28)

27 (23, 30)

18 (14, 21)

< 0.0001

  1. Statistical test between participants with or without cognitive impairment
  2. Independent-samples t’-test
  3. §Chi-square test
  4. Mann-Whiteney U test