Table 1.
Linear regression analysis of change in 6-month PDC before vs after the mailed letter
| Beta (standard error) | P-value | |
|---|---|---|
|
| ||
| Language of letter | −0.050 (0.048) | 0.299 |
| Age | −0.004 (0.002) | 0.041 |
| Gender | −0.044 (0.037) | 0.238 |
| Ethnicity | −0.019 (0.023) | 0.410 |
| Region | 0.027 (0.029) | 0.342 |
| Low income subsidy eligibility | 0.024 (0.040) | 0.553 |
| Medication category | 0.010 (0.026) | 0.693 |
| Generic vs brand | 0.033 (0.086) | 0.701 |
| Day supply | 0.123 (0.039) | 0.002 |
| Copay | −0.002 (0.002) | 0.180 |
| Pharmacy type | 0.020 (0.121) | 0.872 |
Abbreviation: PDC, proportion of days covered.