Table 1 Demographic and clinical characteristics

Age (years)

63.4

<0.0001

 65-74

55.2

47.3

57.1

44.9-49.7

56.5-57.7

 75-84

33.6

37.4

32.7

35.3-39.5

32.2-33.2

 85+

11.2

15.3

10.2

14.0-16.7

9.9-10.5

Sex

28.2

<0.0001

 Male

45.1

38.8

46.7

36.5-41.1

46.1-47.3

 Female

54.9

61.2

53.3

58.9-63.5

52.7-53.9

Married

41.2

<0.0001

 Yes

63.4

56.1

65.2

53.5-58.7

64.0-66.3

 No

36.0

43.9

34.8

41.3-46.4

33.7-36.0

Living arrangement

24.4

<0.0001

 Alone

29.3

34.5

28.0

32.1-36.9

26.8-29.2

 With others

64.8

60.4

65.9

57.9-62.8

64.7-67.1

 Other

5.9

5.1

6.1

3.9-6.4

5.25-7.01

Geographic setting

0.04

0.84

 Urban

78.5

78.3

78.6

75.3-81.4

76.4-80.8

 Rural

21.5

21.7

21.4

18.6-24.7

19.2-23.6

Mobility

258.7

<0.0001

 Walks independently

87.5

76.1

90.3

74.2-78.1

89.6-91.1

 Walks with aid or support

11.7

22.3

9.1

20.4-24.3

8.4-9.9

 Cannot walk

0.7

1.5

0.5

0.9-2.1

0.4-0.7

ADL impairment

238.4

<0.0001

 None

77.4

63.6

80.8

61.2-66.1

79.7-81.8

 Mild/Moderate

20.1

30.9

17.4

28.5-33.3

16.4-18.4

 Severe/Total

2.6

5.5

1.8

4.4-6.6

1.5-2.6

Medication use

106.1

<0.0001

 >4

85.0

76.5

87.1

74.5-78.6

86.1-88.0

 <=4

15.0

23.5

12.9

21.5-25.5

12.0-13.7

Fear of falling

188.3

<0.0001

 Yes

33.6

49.6

29.7

46.9-52.2

28.4-31.0

 No

66.4

50.4

70.3

47.7-53.1

69.0-71.6

Psychotropic medications

75.2

<0.0001

 Yes

19.4

27.6

17.4

25.3-29.9

16.4-18.4

 No

80.6

72.4

82.6

70.1-74.7

81.6-83.6

Vitamin D supplementation

42

38

7.8

0.0052

 Yes

39.4

.8

.6

40.1-45.5

37.4-39.9

 No

60.6

57.2

61.4

54.5-59.9

60.1-62.6