Sample size, No. (%) | 11,635 (100.0)a | 8,935 (76.8) | 1,457 (12.5) | 1,243 (10.7) |
Full enrollment length, y |
Mean (SD) | 7.8 (3.3) | 7.8 (3.3) | 7.4 (3.1) | 8.2 (3.6) |
Median (Q1-Q3) | 7.0 (5.0-9.8) | 7.0 (5.0-9.8) | 6.9 (5.0-9.0) | 7.3 (5.3-10.5) |
Age, y |
Mean (SD) | 45.5 (17.6) | 45.6 (17.7) | 46.3 (16.9) | 44.1 (17.0)b |
Sex, No. (%) |
Female | 6,537 (56.2) | 4,964 (55.6) | 881 (60.5) | 692 (55.7) |
Male | 5,098 (43.8) | 3,971 (44.4) | 576 (39.5) | 551 (44.3) |
Elixhauser comorbidity score |
Mean (SD) | 2.0 (2.3) | 2.0 (2.2) | 2.5 (2.6)b | 1.8 (2.2)b |
Education, No. (%) |
< 12th Grade | 74 (0.6)c | 17 (0.2)c | 6 (0.4)b,c | 51 (4.1)b |
High school or some college | 9,870 (84.8) | 7,420 (83.0) | 1,383 (94.9)b | 1,067 (85.8)b |
Bachelor degree or higher | 1,666 (14.3) | 1,477 (16.5) | 65 (4.5)b | 124 (10.0)b |
Unknown | 25 (0.2)c | 21 (0.2)c | 3 (0.2)c | 1 (0.1)c |
Household income, $, No. (%) |
<40,000 | 2,722 (23.4) | 1,774 (19.9) | 594 (40.8)b | 354 (28.5)b |
40,000-99,000 | 4,199 (36.1) | 3,232 (36.2) | 478 (32.8)b | 489 (39.3)b |
≥100,000 | 3,061 (26.3) | 2,711 (30.3) | 148 (10.2)b | 202 (16.3)b |
Unknown | 1,653 (14.2) | 1,218 (13.6) | 237 (16.3)b | 198 (15.9)b |