Study on the Correlation among Sleep Quality, Cognitive Function, and Self-Management Ability in Hospitalized Elderly Patients with Coronary Heart Disease
Table 1
Chi-square test of sleep status of hospitalized elderly with CHD.
Variable
Grouping
Normal sleep group
Sleep disorder group
Total number
Chi-square value
value
Age
60-70
47
13
60
4.793
0.091
78.33
21.67
70-80
39
9
48
81.25
18.75
≥81
8
4
12
66.67
33.33
Gender
Male
52
14
66
3.268
0.071
78.79
21.21
Female
42
12
54
77.78
22.22
Living situation
Cohabitation
85
25
110
3.778
0.052
77.27
22.73
Live alone
10
0
10
100
0
Educational level
Uneducated
6
2
8
2.563
0.633
75
25
Primary education
30
6
36
83.33
16.67
Secondary education
35
5
40
87.5
12.5
High school education/technical secondary education
23
4
27
85.19
14.81
University education
7
2
9
77.78
22.22
Marriage
Married
86
26
112
3.007
0.222
76.79
23.21
Divorce
2
0
2
100
0
Widowed
6
0
6
100
0
Monthly earning
≤1000
18
3
21
6.312
0.097
85.71
14.29
1000~3000
37
14
51
72.55
27.45
3001~5000
29
7
36
80.56
19.44
>5000
10
2
12
83.33
16.67
Payment method of medical expenses
Provincial medical insurance
25
9
34
2.219
0.528
73.53
26.47
Municipal medical insurance
37
9
46
80.43
19.57
New rural cooperative medical insurance
30
8
38
78.95
21.05
Self-pay
2
0
2
100
0
Diagnosis report of coronary angiography
Single-vessel disease
19
8
27
15.599
≤0.001
70.37
29.63
Double-vessel disease
19
9
28
67.86
32.14
Three or more vessel disease
56
9
65
86.15
13.85
Did the patients undergo coronary stent implantation
