Table 3 Chronic pain interference score according to socio-demographic, clinical, and dialysis characteristics

Age

18-49years

126.03

0(0–36)

< 0.001*

50-65years

162.32

25(0–47)

> 65years

177.41

33.5(0-45.75)

Gender

Male

133.58

0(0–36)

< 0.001**

Female

173.01

28(0–51)

Residence

Urban

164.57

25(0-46.5)

0.03**

Rural

143.5

9(0–41)

Level of study

Illiterate

171.99

32(0-47.5)

< 0.001*

Primary

113.07

0(0–24)

College

105.45

0(0–21)

High school

113.08

0(0-34.25)

Marital status

Single

127.3

0(0-31.5)

0.013*

Married

155.12

20(0–44)

Divorced

143.04

0(0-44.5)

Widowed

183.11

33(4.5–48)

Occupation

Unemployed

158.58

21(0–45)

0.041**

Employed

132.53

0(0-37.25)

Mode of transport

Car

156.22

21(0–45)

0.14**

Foot

131.84

0(0-34.25)

Living conditions

With family

154.34

17(0–45)

0.7**

Alone

143.95

16.5(0-28.25)

Health coverage

Coverage of economically diminished

153.43

17(0–44)

0.23**

Employee coverage

211.67

33(31-NA)

Monthly income

< 297 $

155.95

21(0–45)

0.029**

> 297 $

96.05

0(0–13)

Smoking status

Current smoker

106.5

0(0–36)

0.13**

Non-smoker

155.11

20.5 (0–45)

Number of comorbidities

No comorbidity

124.14

0(0-32.5)

< 0.001*

1 to 2 comorbidities

144.22

6(0–42)

> or equal 3 comorbidities

184.48

35(0–54)

Respect for hygiene-dietary rules

yes

152.23

17(0–44)

0.81**

No

154.77

21(0-45.25)

Body Mass Index Kg/m²

< 18.5

127.3

0(0-35.75)

0.89*

18.5–24.9

153.37

17(0–45)

25–29.9

165.33

25(0–50)

≥ 30

176.33

33(0–58)

Dialysis vintage/ Months

< 24

114.53

0(0–19)

< 0.001*

24–48

149.9

13(0–42)

> 48

172.62

33(0-47.5)

Vascular access

AVF proximal

168.15

29(0-46.5)

0.28*

AVF distal

153

17(0–44)

Tunneled catheter

136.27

0(0-36.75)

Interdialytic weight gain %

≤ 4

150.04

15(0–42)

0.41**

> 4

157.98

21(0–46)

Dialysis session duration

< 4

192.09

35(4–51)

0.015**

⩾4

150.33

14(0-43.75)