Table 1 Baseline characteristics of participants

Number

47,686

6970

21,459

19,257

< 0.001

Age, mean (SD)

86.3 (7.4)

86.7 (7.2)

86.3 (7.4)

86.3 (7.4)

< 0.001

Women, n (%)

33,374 (70.0)

5121 (73.5)

15,231 (71.0)

13,022 (67.6)

< 0.001

< 0.001

  < 9 years

26,534 (57.1)

3666 (54.2)

11,811 (56.5)

11,057 (58.9)

 9–12 years

15,744 (33.9)

2435 (36.0)

7104 (34.0)

6205 (33.0)

  > 12 years

4159 (9.0)

669 (9.9)

1975 (9.5)

1515 (8.1)

Income^a, mean (SD)

167 (202)

164 (188)

165 (193)

170 (217)

0.013

Dementia, n (%)

15,193 (31.9)

2948 (42.3)

7628 (35.5)

4617 (24.0)

< 0.001

Hip fracture, n (%)

10,399 (21.8)

2066 (29.6)

4992 (23.3)

3341 (17.3)

< 0.001

COPD, n (%)

2567 (5.4)

438 (6.3)

1142 (5.3)

987 (5.1)

0.001

Renal failure, n (%)

1227 (2.6)

180 (2.6)

532 (2.5)

515 (2.7)

0.46

Rheumatoid arthritis, n (%)

1059 (2.2)

161 (2.3)

509 (2.4)

389 (2.0)

0.048

Myocardial infarction, n (%)

6460 (13.5)

874 (12.5)

2799 (13.0)

2787 (14.5)

< 0.001

Stroke, n (%)

10,764 (22.6)

1604 (23.0)

5016 (23.4)

4144 (21.5)

< 0.001

Diabetes mellitus, n (%)

7765 (16.3)

989 (14.2)

3336 (15.5)

3440 (17.9)

< 0.001

BMI, mean (SD)

25.1 (5.2)

20.8 (4.5)

24.4 (4.9)

27.4 (4.5)

< 0.001

BMI categories, n (%)

< 0.001

  < 18.5

3959 (8.3)

2288 (32.8)

1671 (7.8)

0 (0.0)

 18.5–24.9

21,445 (45.0)

3641 (52.2)

11,385 (53.1)

6419 (33.3)

 25.0–29.9

14,655 (30.7)

750 (10.8)

5728 (26.7)

8177 (42.5)

  ≥ 30.0

7627 (16.0)

291 (4.2)

2675 (12.5)

4661 (24.2)

< 0.001^b

 30.0–34.9

5774 (12.1)

225 (3.2)

2034 (9.5)

3515 (18.3)

 35.0–39.9

1419 (3.0)

46 (0.7)

493 (2.3)

880 (4.6)

  ≥ 40.0

434 (0.9)

20 (0.3)

148 (0.7)

266 (1.4)

MNA-SF, mean (SD)

10.4 (2.6)

5.6 (1.5)

9.8 (1.1)

12.8 (0.8)

< 0.001