Table 1Demographic characteristics (N = 250).
Variable |
Category |
M ± SD or n (%) |
Age (y) |
|
47.6 ± 9.3 |
≤ 39 |
46 (18.4) |
40–49 |
96 (38.4) |
50–59 |
84 (33.6) |
60–65 |
24 (9.6) |
|
Gender |
Male |
178 (71.2) |
Female |
72 (28.8) |
|
Marital status |
Married |
137 (54.8) |
Unmarried |
75 (30.0) |
Others (divorced, separated, bereaved) |
38 (15.2) |
|
Education |
≤ High school |
138 (55.2) |
≥ College |
107 (42.8) |
Missing |
5 (2.0) |
|
Monthly family income (×10,000 won) |
≤ 199 |
119 (47.6) |
≥ 200 |
126 (40.4) |
Missing |
5 (2.0) |
|
Current employment status |
Employed |
126 (50.4) |
Unemployed |
124 (49.6) |
Table 2Disease-related characteristics and comorbidities (N = 250).
Variable |
Category |
M ± SD or n (%) |
Primary disease |
Diabetes |
43 (17.2) |
Hypertension |
71 (28.4) |
Glomerulonephritis |
77 (30.8) |
Unknown |
33 (13.2) |
Others (SLE, PKD) |
26 (10.4) |
|
Dialysis period (y) |
|
8.5 ± 6.8 |
< 4.9 |
91 (36.4) |
5–9.9 |
66 (26.4) |
≥ 10 |
93 (37.2) |
|
KTPL waiting |
Yes |
116 (46.4) |
No |
134 (53.6) |
|
KTPL history |
Yes |
35 (14.0) |
No |
215 (86.0) |
|
Comorbidity (multiple choice) |
|
0.96 ± 0.76 |
0 |
73 (29.2) |
1 |
119 (47.6) |
≥ 2 |
58 (23.2) |
Diabetes |
43 (17.2) |
Hypertension |
141 (56.4) |
Cardiovascular disease |
23 (9.2) |
Others (hepatitis, cancer) |
32 (12.8) |
Table 3Comparison of health-related quality of life in 3 groups.
|
No. of comorbidities |
F (p) |
Scheffe |
|
0a (n = 73) |
1b (n = 119) |
≥ 2c (n = 58) |
HRQOL |
436.30 ± 122.80 |
382.98 ± 155.74 |
328.23 ± 119.93 |
9.83 (< 0.001) |
a > b > c |
|
PCS |
221.58 ± 66.61 |
195.06 ± 86.16 |
152.80 ± 70.71 |
12.83 (< 0.001) |
a, b > c |
Physical functioning |
65.41 ± 28.45 |
54.62 ± 32.54 |
40.09 ± 27.68 |
11.29 (< 0.001) |
a, b > c |
Role-physical |
48.98 ± 24.54 |
42.54 ± 27.97 |
37.28 ± 21.90 |
3.42 (0.034) |
a > c |
Bodily pain |
61.64 ± 23.23 |
56.72 ± 27.17 |
44.83 ± 23.77 |
7.45 (0.001) |
a, b > c |
General health |
45.55 ± 18.79 |
41.18 ± 21.98 |
30.60 ± 21.99 |
8.46 (< 0.001) |
a. b > c |
|
MCS |
214.73 ± 68.19 |
187.92 ± 78.92 |
175.43 ± 60.01 |
5.37 (0.005) |
a > b, c |
Vitality |
44.52 ± 29.54 |
36.34 ± 30.14 |
28.88 ± 27.63 |
4.63 (0.011) |
a > c |
Social functioning |
67.12 ± 24.61 |
58.61 ± 29.01 |
54.31 ± 23.01 |
4.15 (0.017) |
a > c |
Role-emotional |
63.87 ± 24.44 |
55.46 ± 28.31 |
53.23 ± 24.62 |
3.24 (0.041) |
|
Mental health |
39.21 ± 10.48 |
37.50 ± 13.32 |
39.01 ± 12.63 |
0.54 (0.584) |
|
Table 4Comparison of health-related quality of life based on major comorbidities.
|
DM |
HTN |
CVD |
|
|
|
Without DM (n = 207) |
With DM (n = 43) |
t (p) |
Without HTN (n = 109) |
With HTN (n = 141) |
t (p) |
Without CVD (n = 227) |
With CVD (n = 23) |
t (p) |
HRQOL |
396.86 ± 145.16 |
332.85 ± 125.42 |
2.69 (0.008) |
408.95 ± 137.46 |
368.00 ± 146.46 |
2.25 (0.025) |
390.31 ± 142.33 |
341.85 ± 153.72 |
1.55 (0.124) |
|
PCS |
200.48 ± 80.14 |
156.98 ± 76.20 |
3.27 (0.001) |
207.34 ± 75.20 |
181.91 ± 83.83 |
2.49 (0.014) |
196.64 ± 79.40 |
157.07 ± 89.65 |
2.25 (0.025) |
|
MCS |
196.38 ± 75.31 |
175.87 ± 59.22 |
1.96 (0.053) |
201.61 ± 73.52 |
186.08 ± 72.30 |
1.67 (0.096) |
193.67 ± 73.13 |
184.78 ± 73.95 |
0.56 (0.580) |