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Table 2 Univariate and multivariate associations between Non-adherence (ITAS score of 9 or below) and psychosocial, socio-demographic, and clinical factors

From: Prevalence and correlates of medication non-adherence among kidney transplant recipients more than 6 months post-transplant: a cross-sectional study

Predictor

Univariate models

Adjusted, multivariate models*

Odds ratio

95% confidence interval

P

Odds ratio

95% confidence interval

P

Psychosocial instruments

      

  sTOFHLA Score

1.10

0.93-1.30

0.26

   

  HADS Anxiety Score

1.10

1.00-1.22

0.06

1.08

0.96-1.20

0.21

  HADS Depression Score

1.14

1.02-1.28

0.02

1.13

1.00-1.28

0.06

  ISEL-12 Score

0.99

0.94-1.05

0.71

   

  PSS-4 Score

1.12

1.01-1.25

0.04

1.10

0.97-1.24

0.12

  ITBS Score

1.15

1.08-1.22

<.001

   

Socio-demographic factors

      

  Age (years)

0.98

0.95-1.00

0.09

   

  Female (vs. male)

0.94

1.46-1.95

0.87

   

  Non-white race (vs. white)

1.10

0.54-2.24

0.79

   

  High school graduate and below (vs. some college and above)

1.28

0.59-2.77

0.53

   

  Not married or partnered (vs. married or partnered)

1.32

0.63-2.78

0.47

   

  Annual household income < $35,000 (vs. ≥ $35,000)

2.16

1.01-4.62

0.047

   

  Public health insurance (vs. private insurance)

1.66

0.79-3.49

0.18

   

  Unemployed (vs. employed)

2.32

1.10-4.88

0.03

   

Clinical factors

      

  Living donor (vs. deceased donor)

1.42

0.66-3.03

0.37

   

  Primary diagnosis (vs. glomerulonephritis)

      

  Diabetes

2.17

0.79-5.94

0.13

   

  Hypertension

2.30

0.94-5.61

0.07

   

  Other

1.21

0.39-3.78

0.74

   

  Serum creatinine (mg/dL)

1.83

1.18-2.83

0.007

   

  Albumin (g/dL)

0.83

0.33-2.05

0.68

   

  6 months to 2 years since transplant (vs. >2 years since transplant)

0.53

0.26-1.09

0.08

   
  1. *Adjusted for socio-demographic factors that had P < 0.20 (age, income, employment).