Table 1. Participant Characteristics, Overall and by Clostridioides difficile Colonization Status at First Admission.
| Characteristic | No. (%) | ||
|---|---|---|---|
| Total | Colonized at Admission | Not Colonized at Admission | |
| No. of participants | 3043 (100.0) | 318 (10.4) | 2725 (89.6) |
| Age, y | |||
| Mean (SD) | 62.0 (15.9) | 62.5 (14.6) | 61.9 (16.0) |
| <50 | 601 (19.8) | 50 (15.7) | 551 (20.2) |
| 50-59 | 595 (19.6) | 75 (23.6) | 520 (19.1) |
| 60-69 | 840 (27.6) | 94 (29.6) | 746 (27.4) |
| 70-79 | 641 (21.1) | 61 (19.2) | 580 (21.3) |
| ≥80 | 366 (12.0) | 38 (11.9) | 328 (12.0) |
| Female sex | 1564 (51.4) | 171 (53.8) | 1308 (48.0) |
| Race/ethnicity | |||
| White | 2074 (68.9) | 214 (67.3) | 1860 (68.3) |
| Black | 766 (25.2) | 93 (29.2) | 673 (24.7) |
| Hispanic | 99 (3.3) | 5 (1.6) | 94 (3.4) |
| Other | 104 (3.4) | 6 (1.9) | 98 (3.6) |
| Married | 1451 (47.7) | 149 (46.9) | 1302 (47.8) |
| Neighborhood income, median (range), $ | 51 515 (14 148-119 512) | 51 021 (14 148-119 512) | 51 848 (14 148-119 512) |
| No. of comorbidities | |||
| 0 | 341 (11.2) | 21 (6.6) | 320 (11.8) |
| 1-2 | 1025 (33.7) | 103 (32.4) | 922 (33.9) |
| 3-5 | 1140 (37.5) | 131 (41.2) | 1009 (37.1) |
| ≥6 | 533 (17.5) | 63 (19.8) | 470 (17.3) |
| Hematology-oncology units | 978 (32.1) | 124 (39.0) | 854 (31.3) |
| Previous hospitalization | 723 (23.8) | 106 (33.3) | 617 (22.6) |
| Residential distance to nearest environmental exposure, median (range), miles | |||
| Livestock farm | 5.0 (0.1-78.2) | 4.5 (0.1-49.2) | 5.1 (0.1-78.2) |
| Meat processing plant | 3.9 (0.1-63.3) | 4.0 (0.1-39.4) | 3.9 (0.1-63.3) |
| Farm raw materials | 13.4 (0.3-104.8) | 13.3 (0.3-72.5) | 13.4 (0.3-104.8) |
| Sewage treatment | 10.6 (0.2-116.0) | 11.3 (0.6-116.0) | 10.5 (0.2-100.2) |