TABLE 1.
Cost of IBD Care Study Population Summary
| Total IBD | Total Controls | |
|---|---|---|
| N = 52,782 | N = 52,782 | |
| Age, years (mean ± SD) | 48.32 ± 17.8 | 48.32 ± 17.8 |
| Female, n (%) | 28,582 (54.2) | 28,582 (54.2) |
| Region | ||
| Northeast | 7439 (14.1) | 7439 (14.1) |
| Midwest | 15,216 (28.8) | 15,216 (28.8) |
| South | 22,947 (43.5) | 22,947 (43.5) |
| West | 7180 (13.6) | 7180 (13.6) |
| Other | 0 | 0 |
| Rurality | ||
| Urban | 44,117 (83.6) | 43,739 (82.9) |
| Rural | 1413 (2.7) | 1158 (2.2) |
| Missing | 7252 (13.7) | 7885 (14.9) |
| Charlson, (mean ± SD) | 0.6 ± 1.2 | 0.3 ± 0.8 |
| Race | ||
| White | 37,853 (71.7) | 34,564 (65.5) |
| African American/Black | 2622 (5.0) | 2998 (5.7) |
| Hispanic | 2466 (4.7) | 3652 (6.9) |
| Asian | 599 (1.1) | 1035 (2.0) |
| Other | 624 (1.2) | 605 (1.2) |
| Unknown | 8618 (16.3) | 9928 (18.8) |
| Education | ||
| Less than 12th grade | 346 (0.7) | 516 (1.0) |
| High School diploma | 13,646 (25.9) | 13,213 (25.0) |
| Some college/ Associates degree | 23,200 (44.0) | 22,493 (42.6) |
| Bachelor’s or more | 9247 (17.5) | 8792 (16.7) |
| Unknown | 6343 (12.0) | 7768 (14.7) |
| Net worth | ||
| Under $25,000 | 5210 (9.9) | 5315 (10.1) |
| $25K-$149K | 9607 (18.2) | 9560 (18.1) |
| $150K-$249K | 6780 (12.9) | 6556 (12.4) |
| $250K-$499K | 11,660 (22.1) | 11,159 (21.1) |
| $500K+ | 9879 (18.7) | 9110 (17.3) |
| Unknown | 9646 (18.3) | 11,082 (21.0) |
| Insurance Type | ||
| Commercial | 44,672 (84.6) | 44,672 (84.6) |
| Medicare Advantage | 8110 (15.4) | 8110 (15.4) |
| Plan Type | ||
| EPO | 5643 (10.7) | 5424 (10.3) |
| PPO | 4938 (9.4) | 3700 (7.0) |
| IND | 1237 (2.3) | 1387 (2.6) |
| POS | 28,245 (53.5) | 25,986 (49.2) |
| HMO | 9300 (17.6) | 6100 (11.6) |
| Other | 3419 (6.5) | 10,185 (19.3) |
Controls were selected matched to IBD patients on age, gender, geographic region, insurance type, and enrollment in the IBD patient’s index year.