Table 5 Combinations of the three health conditions

Walking 500 m without walking aids

34.3

18.7

<0.001

43.6

19.9

<0.001

38.4

20.4

<0.001

Climbing stairs up and down without walking aids

35.4

18.8

<0.001

44.4

20.2

<0.001

40.0

20.5

<0.001

Use fingers to grab and use small things

9.6

4.0

<0.001

12.5

4.5

<0.001

9.9

4.8

<0.001

Turn on a tap or unscrew a can

9.9

4.1

<0.001

12.5

4.7

<0.001

10.7

4.8

<0.001

Stretch hand and shake hands

4.4

1.0

<0.001

4.1

1.6

0.001

3.5

1.6

0.011

Bend or kneel down

61.3

31.7

<0.001

68.8

35.3

<0.001

61.6

35.9

<0.001

Lift and carry a shopping bag with 5 kg

46.7

26.7

<0.001

59.1

28.2

<0.001

55.3

28.3

<0.001

Eat independently

7.9

6.6

0.223

10.6

6.5

0.004

9.9

6.5

0.013

Sit down on a chair or bed and stand up

17.1

9.2

<0.001

20.7

9.9

<0.001

19.1

10.0

<0.001

Put on and take off clothes

18.6

11.0

<0.001

19.5

12.1

<0.001

18.9

12.1

<0.001

Go to the toilet

7.9

7.2

0.509

10.6

7.0

0.012

9.2

7.2

0.150

Take a bath or a shower

24.2

14.0

<0.001

29.9

14.9

<0.001

25.8

15.3

<0.001

Prepare food

23.6

15.9

<0.001

26.4

16.8

<0.001

23.8

17.0

0.001

Make telephone calls independently

6.9

5.2

0.073

6.8

5.5

0.313

8.7

5.2

0.005

Go shopping independently

30.7

16.8

<0.001

35.2

18.4

<0.001

33.7

18.3

<0.001

Wash clothes independently

27.0

18.2

<0.001

28.2

19.4

<0.001

25.7

19.7

0.005

Do regularly light house work

24.7

14.3

<0.001

27.7

15.5

<0.001

25.8

15.6

<0.001

Do regularly heavy house work

59.0

38.7

<0.001

68.3

40.6

<0.001

62.3

41.2

<0.001

Manage financial affairs independently

16.1

9.9

<0.001

17.3

10.7

<0.001

17.6

10.6

<0.001

ADL dimension 1*

69.2

46.3

<0.001

79.1

48.5

<0.001

73.7

48.9

<0.001

ADL dimension 2*

39.7

25.6

<0.001

43.6

27.2

<0.001

40.9

27.5

<0.001

ADL dimension 3*

64.2

36.2

<0.001

71.2

39.7

<0.001

66.3

40.0

<0.001

ADL dimension 4*

16.6

6.6

<0.001

19.0

7.8

<0.001

16.6

8.1

<0.001