Table 4.
Models | Medication Adherence |
|||||
---|---|---|---|---|---|---|
Discontinuation | PDC (>=0.8) | |||||
Lower | Upper | Lower | Upper | |||
PR | 95% CI | 95% CI | PR | 95% CI | 95% CI | |
I: excluding asthma | 1.07 | 1.01 | 1.14 | 0.91 | 0.87 | 0.95 |
II: excluding bipolar and/or other psychotic disorders |
1.08 | 1.03 | 1.13 | 0.90 | 0.87 | 0.93 |
IIIa: using PDC cut point 0.90 | 0.83 | 0.79 | 0.87 | |||
IIIb: using PDC cut point 0.70 | 0.92 | 0.89 | 0.94 | |||
IV: excluding benes died in 2006 |
1.10 | 1.05 | 1.16 | 0.87 | 0.84 | 0.91 |
PR: prevalence ratios; CI: confidence intervals. Multivariable models used modified Poisson regression and log link with generalized estimating equations. Bold numbers indicate P < 0. 05
Limited to who had any COPD maintenance medication and had at least two Part D claims (n=35,985)