Table 3 Adjusted associations of patient’s attitudes and beliefs with non-adherence to phosphate binder use

Patient’s attitude regarding or understanding of the time to take the phosphate binder

Rarely or never take the PB > 30 minutes after meals

Ref = 1

Ref = 1

Frequently take the PB > 30 minutes after meals

0.94 (0.52-1.68)

0.87 (0.47-1.61)

Always or almost always take the PB >30 minutes after meals

5.98 (2.03-17.58)

6.15 (2.04-18.50)

Patient’s beliefs about stopping PB use after feeling better

Rarely or never stopped

Ref = 1

Ref = 1

Frequently stopped

1.57 (0.61-4.02)

1.47 (0.55-3.91)

Always or almost always stopped

4.21 (1.41-12.54)

4.54 (1.45-14.25)

Patient’s beliefs about stopping PB use after feeling worse

Rarely or never stopped

Ref = 1

Ref = 1

Frequently stopped

0.82 (0.30-2.27)

0.66 (0.23-1.91)

Always or almost always stopped

7.94 (1.80-35.06)

7.26 (1.62-32.55)

Patient’s report of stopping PB used because he/she did not have the medication

Rarely or never stopped

Ref = 1

Ref = 1

Frequently stopped

1.35 (0.68-2.68)

1.29 (0.63-2.65)

Always or almost always stopped

3.57 (0.75-17.01)

2.77 (0.57-13.47)

Patient-family interactions

^bSatisfied with time spent with family and friends

0.97 (0.60-1.57)

1.05 (0.62-1.77)

^bSatisfied with support provided by family and friends

0.89 (0.49-1.61)

0.83 (0.44-1.58)

Patient-staff interactions

^c Satisfaction with the care provided by the hemodialysis staff

Good

Ref = 1

Ref = 1

Very poor to regular

1.11 (0.60-2.04)

1.25 (0.65-2.38)

Very good to the best

1.06 (0.69-1.63)

1.13 (0.71-1.80)

^dDialysis staff improved the patient’s ability to cope with the disease

0.62 (0.25-1.50)

0.67 (0.26-1.70)

^dDialysis staff encouraged the patient to be independent

0.52 (0.32-0.87)

0.52 (0.30-0.90)

^eNephrologist explained PB use

0.22 (0.62-0.78)

0.20 (0.05-0.73)

^eDietitian explained PB use

0.96 (0.62-1.47)

1.11 (0.69-1.79)