Table 6.
Adherence Level | N | Medical Costs ($) | Drug Costs ($) | Total Costs ($) | Hospitalization Risk (%) |
1–19 | 350 | 4847 | 31 | 4878 | 28 |
20–39 | 344 | 5973 | 89 | 6062 | 24 |
40–59 | 562 | 5113 | 184 | 5297 | 24 |
60–79 | 921 | 4977 | 285 | 5262 | 20 |
80–100 | 5804 | 4383 | 489 | 4871 | 19 |
F = 46.44** | F = 171.98** | X2 (31 df) = 1256.3** | |||
Adj. r2 = 0.13 | Adj. r2 = 0.37 |
CI, confidence interval; *Indicates that the outcome is significantly higher than the outcome for the 80–100% adherence group (P < 0.05). Differences were tested for medical cost and hospitalization risk; ** p < 0.0001