Table 6 Multiple linear regression analysis for associated factors of pain interference score

(Constante)

-20.487

0.086

-43.863

2.889

Age

2.777

0.049

0.035

5.518

Gender

5.384

0.007

1.468

9.301

Residence

-0.337

0.847

-3.777

3.103

Level of studies

-1.437

0.260

-3.941

1.067

Marital status

-0.842

0.435

-2.960

1.276

Occupation

1.844

0.476

-3.239

6.926

Monthly income

-4.041

0.399

-13.449

5.366

Number of comorbidities

4.301

< 0.001

2.034

6.569

Number of painful sites

9.140

< 0.001

7.934

10.346

Dialysis vintage

4.506

< 0.001

2.465

6.547

Dialysis sessions duration

-0.373

0.902

-6.349

5.603

PTH

0.018

< 0.001

0.010

0.025