Table 3c.
Mean copayments of medications by VBF tier placement in the year before and after VBF implementation
| VBF Tier | Number of unique medicationsa, n (%) | Number of prescription claims year before, n (%) | Pre-VBF Copay, mean (SD) | Post-VBF Copay, mean (SD) | Diff, mean (SD) |
|---|---|---|---|---|---|
| Preventive | 241 (15) | 14,339 (24) | 9 (3) | 1 (5) | −9 (3) |
| Tier 1 | 850 (51) | 34,815 (58) | 9 (4) | 15 (6) | 6 (5) |
| Tier 2 | 258 (16) | 6,592 (11) | 30 (8) | 39 (8) | 9 (9) |
| Tier 3 | 226 (14) | 3,433 (6) | 46 (8) | 63 (4) | 18 (8) |
| Tier 4 | 79 (5) | 1,173 (2) | 44 (18) | 89 (24) | 44 (26) |
a
Unique medication: defined as a unique combination of active ingredient, dosage form, dosage strength, and brand-generic status