Table 1.
Relationship between Patient Characteristics and Statin Adherence
| Total (n = 3386) | ≥ 80% adherence (n = 1610) | < 80% adherence (n = 1776) | P Value | |
| Age (years), mean (SD) | 57.8 (10.9) | 58.7 (10.7) | 57.0 (11.0) | <0.001 |
| Gender, n (%) | ||||
| Female | 1932 (57.1) | 881 (54.7) | 1051 (59.2) | 0.009 |
| Male | 1454 (42.9) | 729 (45.3) | 725 (40.8) | |
| Race, n (%) | ||||
| Hispanic | 1584 (46.8) | 683 (42.4) | 901 (50.7) | |
| White | 919 (27.1) | 515 (32.0) | 404 (22.8) | <0.001 |
| Black | 638 (18.8) | 276 (17.1) | 362 (20.4) | |
| Other | 245 (7.2) | 136 (8.5) | 109 (6.1) | |
| Insurance, n (%) | ||||
| Insured | 989 (29.2) | 485 (30.1) | 504 (28.4) | 0.26 |
| Uninsured | 2397 (70.8) | 1125 (69.9) | 1272 (71.6) | |
| No. of comorbidities, mean (SD) | 4.3 (2.0) | 4.5 (2.0) | 4.1 (2.0) | <0.001 |
| Diabetics, n (%) | 1687 (49.8) | 781 (48.5) | 906 (51.0) | 0.15 |
| $0 co-pay, n (%) | 2695 (79.6) | 1276 (79.3) | 1419 (79.9) | 0.64 |
| Days in study, mean (SD) | 571.6 (315.7) | 546.2 (338.1) | 594.6 (292.2) | <0.001 |
| No. of statin prescriptions, mean (SD) | 8.0 (5.2) | 9.5 (5.9) | 6.6 (4.1) | <0.001 |
| Days supply, n (%) | ||||
| 30 day | 833 (24.6) | 303 (18.8) | 530 (29.8) | <0.001 |
| 60 day | 2553 (75.4) | 1307 (81.2) | 1246 (70.2) | |
| Cholesterol (mg/dl)*, mean (SD) | 186.8 (47.9) (n = 3292) | 176.8 (42.2) (n = 1573) | 195.9 (50.8) (n = 1719) | <0.001 |
Data are either n (%) per group with P Values determined from chi-squared tests or mean (standard deviation) with two sample t test P Values.
*Cholesterol values available on n = 3292 patients, multiply by 0.0259 to convert cholesterol to mmol/L.