Table 1 Sample characteristics

Age

  Mean ± SD

67.1 ± 7.5

  Range (min-max)

55–89

Sex

  M (%)

337 (39)

  F (%)

527 (61)

Mortality (%)

33 (5.8)

Self-assessed Health

  1 (%) – better health

7 (1.2)

  2 (%)

88 (15.5)

  3 (%)

334 (58.9)

  4 (%)

134 (23.6)

  5 (%) – worst health

4 (0.7)

Frailty

  0 (%)

261 (46)

  1 (%)

184 (32.5)

  2 (%)

81 (14.3)

  3 (%)

35 (6.2)

  4 (%)

5 (0.9)

  5 (%)

1 (0.2)

MMSE, mean ± SD

27.8 ± 2.8

Comorbidity, mean ± SD

2.4 ± 1.6

High blood pressure (%)

245 (43.2)

High cholesterol (%)

263 (46.4)

Diabetes (%)

77 (13.6)

Stroke (%)

23 (4)

Heart attack (%)

30 (5.3)

Atrial fibrillation (%)

19 (3.4)

Eye problem (%)

175 (30.1)

Asthma (%)

28 (4.9)

Arthritis (%)

80 (14.1)

Osteoporosis (%)

28 (4.9)

Gastrointestinal problem (%)

50 (8.8)

Thyroid problem (%)

28 (4.9)

Cancer (%)

19 (3.4)

Depression (%)

18 (3.2)