Table 1.
Demographic Characteristics of Study Participants
| Medication possession ratio | ||||||
|---|---|---|---|---|---|---|
| Patient demographics | 0.0–0.20 (N = 3560) | 0.21–0.40 (N = 4093) | 0.41–0.60 (N = 5973) | 0.61–0.80 (N = 7529) | 0.81–1.00 (N = 11,206) | Total (N = 32,361) |
| Age, yrs, mean (SD) | 57.5 (13.0) | 58.0 (12.7) | 58.8 (12.2) | 59.6 (11.3) | 59.8 (10.4) | 59.1 (11.6) |
| Age-group, N (%) | ||||||
| 18–24 yrs | 14 (0.4) | 13 (0.3) | 7 (0.1) | 11 (0.1) | 7 (0.1) | 52 (0.2) |
| 25–34 yrs | 103 (2.9) | 123 (3.0) | 128 (2.1) | 112 (1.5) | 121 (1.1) | 587 (1.8) |
| 35–44 yrs | 449 (12.6) | 441 (10.8) | 558 (9.3) | 535 (7.1) | 603 (5.4) | 2586 (8.0) |
| 45–54 yrs | 875 (24.6) | 1023 (25.0) | 1432 (24.0) | 1699 (22.6) | 2535 (22.6) | 7564 (23.4) |
| 55–64 yrs | 1223 (34.4) | 1415 (34.6) | 2230 (37.3) | 3009 (40.0) | 4859 (43.4) | 12,736 (39.4) |
| 65–74 yrs | 470 (13.2) | 598 (14.6) | 888 (14.9) | 1353 (18.0) | 2029 (18.1) | 5338 (16.5) |
| 75–84 yrs | 357 (10.0) | 408 (10.0) | 620 (10.4) | 695 (9.2) | 942 (8.4) | 3022 (9.3) |
| ≥85 yrs | 69 (1.9) | 72 (1.8) | 110 (1.8) | 115 (1.5) | 110 (1.0) | 476 (1.5) |
| Sex, N (%) | ||||||
| Male | 1744 (49.0) | 2036 (49.7) | 2939 (49.2) | 3963 (52.6) | 6272 (56.0) | 16,954 (52.4) |
| Female | 1816 (51.0) | 2057 (50.3) | 3034 (50.8) | 3566 (47.4) | 4934 (44.0) | 15,407 (47.6) |
| Geographic region, N (%) | ||||||
| Northeast | 368 (10.3) | 438 (10.7) | 597 (10.0) | 859 (11.4) | 1390 (12.4) | 3652 (11.3) |
| North Central | 1070 (30.1) | 1253 (30.6) | 1977 (33.1) | 2627 (34.9) | 4069 (36.3) | 10,996 (34.0) |
| South | 1632 (45.8) | 1737 (42.4) | 2438 (40.8) | 2903 (38.6) | 4029 (36.0) | 12,739 (39.4) |
| West | 459 (12.9) | 643 (15.7) | 914 (15.3) | 1094 (14.5) | 1659 (14.8) | 4769 (14.7) |
| Unknown | 31 (0.9) | 22 (0.5) | 47 (0.8) | 46 (0.6) | 59 (0.5) | 205 (0.6) |
| Health plan type, N (%) | ||||||
| Capitateda | 719 (20.2) | 778 (19.0) | 1149 (19.2) | 1284 (17.1) | 1723 (15.4) | 5653 (17.5) |
| Noncapitated/fee for serviceb | 2739 (76.9) | 3200 (78.2) | 4645 (77.8) | 6033 (80.1) | 9177 (81.9) | 25,794 (79.7) |
| Unknown | 102 (2.9) | 115 (2.8) | 179 (3.0) | 212 (2.8) | 306 (2.7) | 914 (2.8) |
a
Capitated plans include HMO and capitated POS.
b
Noncapitated plans include PPO, noncapitated POS, basic medical, comprehensive, and consumer-driven healthcare plans.
POS indicates point of service; PPO, preferred provider organization; SD, standard deviation.