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. 2014 Feb 14;14:22. doi: 10.1186/1471-2318-14-22

Table 6.

Clinical and demographic conditions by cluster

Cluster Number
1
2
3
4
5
6
7
Rao-Scott X 2 (weighted & boot-strapped) P value
Label Low chronic disease Hypertension and arthritis Visual impairment Hypertension COPD Diabetes Heart disease and hypertension
Age (years)
 
 
 
 
 
 
 
148.3
< 0.0001
 65-74
62.6
46.9
49.3
56.4
52.3
58.5
46.0
 
 
 75-84
27.5
37.7
37.9
33.9
35.7
33.4
39.4
 
 
 85+
9.9
15.4
12.8
9.7
12.0
8.1
14.3
 
 
Sex
 
 
 
 
 
 
 
486.4
< 0.0001
 Male
53.4
13.6
41.9
42.6
46.7
54.6
58.3
 
 
 Female
46.6
86.4
58.1
57.4
53.3
45.4
41.7
 
 
Married
 
 
 
 
 
 
 
98.9
< 0.0001
 Yes
67.8
51.0
61.1
66.5
63.2
65.0
60.8
 
 
 No
32.2
49.0
38.9
33.5
36.8
35.0
39.2
 
 
Living arrangement
 
 
 
 
 
 
 
63.3
< 0.0001
 Alone
27.0
37.2
32.2
26.9
30.8
25.9
30.0
 
 
 With others
68.2
55.5
62.1
67.1
64.4
65.9
64.0
 
 
 Other
4.8
7.2
5.7
6.0
4.8
8.2
6.0
 
 
Geographic setting
 
 
 
 
 
 
 
15.8
0.015
 Urban
78.7
82.2
80.4
77.9
76.0
77.9
74.6
 
 
 Rural
21.3
17.8
19.6
22.1
24.0
22.1
25.4
 
 
Current mobility status
 
 
 
 
 
 
 
210.6
< 0.0001
 Walks independently
92.5
81.2
89.9
89.1
78.4
83.2
85.1
 
 
 Walks with aid or support
7.1
18.1
9.6
10.3
19.6
15.1
14.5
 
 
 Cannot walk
0.4
0.7
0.5
0.6
2.0
1.7
0.4
 
 
Current ADL impairment status
 
 
 
 
 
 
 
153.2
< 0.0001
 None
84.0
67.9
77.8
79.1
68.0
74.8
74.1
 
 
 Mild/Moderate
14.3
29.4
20.0
18.5
26.6
21.9
23.8
 
 
 Severe/Total
1.7
3.7
2.2
2.4
5.4
3.2
2.1
 
 
Current number of medications
 
 
 
 
 
 
 
408.8
< 0.0001
 <4
94.4
80.5
85.7
88.0
69.3
80.1
70.1
 
 
 > = 4
5.6
19.5
14.3
12.0
30.7
19.9
29.9
 
 
Fear of falling
 
 
 
 
 
 
 
191.1
< 0.0001
 Yes
24.8
48.3
37.6
31.4
39.6
36.6
33.9
 
 
 No
75.2
51.7
62.4
68.6
60.4
63.4
66.1
 
 
Psychotropic medications
 
 
 
 
 
 
 
75.9
< 0.0001
 Yes
14.2
25.4
23.8
17.6
28.0
19.6
22.3
 
 
 No
85.8
74.6
76.2
82.4
72.0
82.4
77.7
 
 
Vitamin D supplementation
 
 
 
 
 
 
 
7.8
0.0052
 Yes
35.5
63.5
40.4
39.0
38.1
31.6
30.0
 
 
 No 64.5 36.5 59.6 61.0 61.9 68.4 70.0    

ADL = Activities of daily living.