TABLE 1.
Characteristic | Randomized (N = 290) | Adherent (N = 4,532) | P Value | ||
---|---|---|---|---|---|
N or Mean | SD or % | N or Mean | SD or % | ||
Age at index Rx (years), mean | 48.4 | 17.4 | 53.5 | 16.5 | < 0.0001 |
White | 273 | 94.1 | 4,370 | 96.4 | 0.05 |
Female | 167 | 57.6 | 2,497 | 55.1 | 0.57 |
Index drug category | < 0.001 | ||||
Asthma | 165 | 56.9 | 1,718 | 37.9 | < 0.0001 |
Diabetes | 22 | 7.6 | 324 | 7.2 | 0.77 |
Hypertension | 69 | 23.8 | 1,996 | 44.0 | < 0.001 |
Lipids | 34 | 11.7 | 494 | 10.9 | 0.56 |
Patients with the index drug dispensed in the prior 13 months | 19 | 6.6 | 99 | 2.2 | < 0.0001 |
Medical condition/disease | < 0.001 | ||||
Asthma | 99 | 22.9 | 965 | 12.8 | < 0.0001 |
Diabetes | 63 | 14.6 | 1,146 | 15.3 | 0.50 |
Dyslipidemia | 141 | 32.6 | 2,670 | 35.5 | 0.0013 |
Hypertension | 130 | 30.0 | 2,732 | 36.4 | < 0.001 |
Charlson score | 1.03 | 1.01 | 1.06 | 1.37 | 0.73 |
Drug benefit/insurance | < 0.001 | ||||
Commercial | 219 | 75.8 | 3,567 | 78.7 | < 0.0001 |
Medicaid | 13 | 4.5 | 87 | 1.9 | 0.06 |
Medicare | 38 | 13.2 | 762 | 16.8 | 0.01 |
Self-pay | 19 | 6.6 | 116 | 2.6 | 0.004 |
Rx = prescription; SD = standard deviation.