Table 1 The distribution of epidemiological data and the risk factors for hemodialysis patients and the correlation between QoL and general characteristics

Age (years)

0.034

 18–39

12 (5.7%)

10.0 ± 4.67

 40–49

25 (12%)

11.32 ± 4.53

 50–59

63 (30.1%)

10.98 ± 4.55

 60–69

74 (35.4%)

11.27 ± 4.77

 ≥ 70

35 (16.8%)

10.96 ± 3.71

Gender

0.01

 Female

58 (27.8%)

10.82 ± 4.39

 Male

151 (72.2%)

11.84 ± 4.75

Residence area

0.002

 Rural area

120 (57.4%)

10.41 ± 4.54

 Urban area

89 (42.6%)

12.80 ± 4.49

School-level

0.044

 Without education

14 (6.7%)

11.77 ± 4.11

 Primary education

79 (37.8%)

11.58 ± 4.79

 Secondary

86 (41.1%)

10.81 ± 4.69

 University

30 (14.3%)

9.58 ± 4.1

Marital status

0.79

 Single

16 (7.6%)

10.5 ±

 Married

143 (68.4%)

9.8 ± 3.48

 Widow

26 (12.4%)

12.0 ± 5.6

 Divorced

24 (11.57%)

11.18 ± 4.72

Living condition

0.21

 Living with family

164 (75.8%)

11.23 ± 4.7

 Living alone

45 (24.2%)

9.0 ± 2.88

BMI

0.001

 Underweight

21 (10%)

14.09 ± 4.61

 Normal

107 (51.2%)

10.16 ± 4.24

 Pre-obese

46 (22%)

11.08 ± 4.63

 Obese

35 (16.8%)

14.90 ± 5.78

Occupation

0.6

 Unemployed

14 (6.7%)

10.71 ± 4.06

 Employed

114 (54.5%)

8.2 ± 3.2

 Retiree

65 (31.1%)

11.24 ± 4.76

 Invalid

16 (7.6%)

11.83 ± 4.83

Monthly income (euro)

0.017

 Low income (≤ 200)

88 (42.1%)

12.06 ± 4.88

 Moderate (201–400)

106 (50.7%)

10.16 ± 4.31

 High income (> 401)

15 (7.2%)

9.6 ± 3.56

Smoking

0.8

 Yes

116 (55.5%)

10.85 ± 4.48

 No

93 (44.5%)

11.08 ± 4.68

Alcohol use

0.031

 Yes

86 (41.1%)

11.35 ± 4.65

 No

123 (58.9%)

12.5 ± 4.84