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Table 4 Logistic Regression Models for Multivariate Predictors of Unintentional Non-Adherence (N = 24,017)

From: Unintentional non-adherence to chronic prescription medications: How unintentional is it really?

 

Forget to Take Medication

Run Out of Medication

Careless at Times Taking Medication

Any unintentional non-adherence

 

OR

CI

OR

CI

OR

CI

OR

CI

Age

      

40–49

1.71*

1.52–1.93

2.21*

1.94–2.51

1.47*

1.28–1.68

1.95*

1.71–2.23

50–59

1.57*

1.44–1.72

2.00*

1.81–2.20

1.24*

1.11–1.37

1.78*

1.62–1.95

60–64

1.45*

1.32–1.58

1.61*

1.46–1.78

1.17†

1.05–1.30

1.53*

1.39–1.68

65–69

1.28*

1.17–1.40

1.29*

1.16–1.43

1.14^

1.02–1.27

1.31*

1.20–1.44

Female gender

.89*

.84–.94

.97

.91–1.03

1.04

.97–1.11

.91†

.85–.97

White race

.90

.80–1.02

.74*

.66–.84

.85^

.75–.96

.88

.77–1.01

Education

      

High school or less

.79*

.72–.87

.78*

.70–.85

.77*

.69–.85

.75*

.68–.82

Some college

.94

.88–1.01

.93

.86–1.00

.91^

.84–.99

.93

.86–1.00

College degree

.93

.86–1.02

.93

.85–1.01

.90^

.82–.99

.93

.85–1.02

Employment status

      

Looking for a job

.90

.76–1.06

1.04

.88–1.23

.95

.79–1.14

.95

.78–1.16

Not looking for a job

.74*

.67–.83

.67*

.60–.75

.75*

.67–.85

.68*

.61–.77

Retired

.78*

.73–.84

.67*

.62–.72

.75*

.69–.81

.72*

.67–.78

Disabled

.82^

.68–.98

.84

.70–1.01

.86

.70–1.05

.79^

.64–.97

Income

      

< 25 K

.99

.90–1.09

1.74*

1.58–1.94

1.07

.96–1.20

1.21*

1.09–1.35

≥ 25K < 50K

.98

.90–1.06

1.35*

1.24–1.46

1.06

.97–1.16

1.09^

1.00–1.18

≥50K < 75K

1.05

.97–1.14

1.20*

1.10–1.30

1.03

.94–1.13

1.12^

1.03–1.22

≥75K < 100K

.98

.89–1.07

1.05

.95–1.16

1.07

.97–1.19

1.00

.91–1.10

Self-Rated Health

      

Poor/fair

1.16*

1.07–1.25

1.70*

1.57–1.85

1.60*

1.46–1.76

1.31*

1.21–1.42

Good

1.18*

1.10–1.26

1.34*

1.24–1.45

1.33*

1.22–1.45

1.25*

1.16–1.34

Disease

      

Asthma

.92

.83–1.03

1.36*

1.21–1.52

1.18†

1.05–1.33

1.18†

1.04–1.33

Diabetes

1.37*

1.26–1.50

1.23*

1.12–1.34

1.36*

1.24–1.50

1.38*

1.25–1.52

Hyperlipidemia

1.05

.97–1.13

.96

.89–1.04

1.08

.99–1.17

1.06

.98–1.14

Osteoporosis

1.18*

1.08–1.30

1.47*

1.34–1.61

1.30*

1.17–1.43

1.31*

1.19–1.45

Depression

.97

.85–1.10

.94

.82–1.09

1.14

.98–1.33

.95

.83–1.08

Perceived Need for Medication

      

Quartile 1

1.46*

1.33–1.60

1.41*

1.27–1.55

1.91*

1.72–2.13

1.47*

1.32–1.62

Quartile 2

1.46*

1.35–1.57

1.38*

1.26–1.50

1.55*

1.41–1.70

1.51*

1.39–1.64

Quartile 3

1.32*

1.23–1.43

1.22*

1.20–1.32

1.34*

1.22–1.47

1.33*

1.22–1.44

Perceived Medication Affordability

      

Quartile 1

1.29*

1.18–1.41

4.65*

4.24–5.11

1.34*

1.21–1.48

2.32*

2.10–2.55

Quartile 2

1.21*

1.11–1.31

2.30*

2.10–2.52

1.23*

1.12–1.36

1.42*

1.31–1.55

Quartile 3

1.16*

1.08–1.25

1.55*

1.42–1.69

1.10^

1.01–1.21

1.23*

1.14–1.32

Perceived Medication Concerns

      

Quartile 1

1.25*

1.13–1.38

1.06

.95–1.17

1.25*

1.11–1.39

1.27*

1.14–1.41

Quartile 2

1.20*

1.11–1.30

1.01

.93–1.11

1.18†

1.08–1.31

1.19*

1.09–1.30

Quartile 3

1.20*

1.11–1.30

1.00

.92–1.09

1.14†

1.03–1.25

1.19*

1.10–1.29

  1. * p < 0.001; † p < 0.01; ^ p < 0.05.
  2. Reference Categories for each of the variables in the model were as follows: age 70 and up (Age); male (Gender); non-white (Race); greater than college degree (Education); currently employed (Employment); income > =100K (Income); very good/excellent (Self-rated health); hypertension (Disease); quartile 4 (Perceived need, Perceived affordability, Perceived concerns).