|
Patient or Claim Characteristic†
|
Adherence, expressed as absolute percent change in proportion of days covered
|
P value
|
|---|
|
|
-8%
|
<0.0001
|
|
Medication class – inhaled steroid
|
-49%
|
<0.0001
|
|
Zip code-based estimates of patients’ annual income‡
| |
|
$45 k – $75 k
|
6%
|
<0.0001
|
|
> $75 k
|
8%
|
<0.0001
|
|
Medication dosing frequency greater than once daily
|
-4%
|
<0.0001
|
-
*Variables without association, and therefore not used as predictors in this model, are: patient age, gender, history of depression (as evidenced by prior use of antidepressants), and patient race (as estimated from zip code data).
-
†The referent categories were as follows: angiotensin receptor blocker medication class, annual income < $45 k annually, and medication dosing less than or equal to once daily.
-
‡Estimated based on zip code data. 336 claims were excluded from this analysis due to missing zip code data.
