| Gender | 0 | Female | 1437 (64.58%) | 55 (56.12%) | 1382 (64.97%) | 0.0732 |
| Male | 788 (35.42%) | 43 (43.88%) | 745 (35.03%) | |||
| Insurance | 0 | Private | 759 (34.11%) | 31 (31.63%) | 728 (34.23%) | 0.0691 |
| Medicare | 236 (10.61%) | 18 (18.37%) | 218 (10.25%) | |||
| Medicaid | 695 (31.24%) | 25 (25.51%) | 670 (31.50%) | |||
| Self-Pay | 535 (24.04%) | 24 (24.49%) | 511 (24.02%) | |||
| Institution | 0 | DMC | 444 (19.96%) | 15 (15.31%) | 429 (20.17%) | 0.0168 |
| Kings county | 1134 (50.97%) | 42 (42.86%) | 1092 (51.34%) | |||
| SBUMC | 647 (29.08%) | 41 (41.84%) | 606 (28.49%) | |||
| Race | 0 | African-American | 1117 (50.20%) | 41 (41.84%) | 1076 (50.59%) | 0.35 |
| Afro-Caribbean | 378 (16.99%) | 17 (17.35%) | 361 (16.97%) | |||
| American Indian or Alaskan Native | 2 (0.09%) | 0 (0.00%) | 2 (0.09%) | |||
| Asian | 43 (1.93%) | 1 (1.02%) | 42 (1.97%) | |||
| Other | 119 (5.35%) | 8 (8.16%) | 111 (5.22%) | |||
| White | 566 (25.44%) | 31 (31.63%) | 535 (25.15%) | |||
| Race combined | 0 | White | 566 (25.44%) | 31 (31.63%) | 535 (25.15%) | 0.2252 |
| Black | 1495 (67.19%) | 58 (59.18%) | 1437 (67.56%) | |||
| Other | 164 (7.37%) | 9 (9.18%) | 155 (7.29%) | |||
| Ethnicity | 0 | Hispanic | 134 (6.02%) | 5 (5.10%) | 129 (6.06%) | 0.6953 |
| Non-Hispanic | 2091 (93.98%) | 93 (94.90%) | 1998 (93.94%) | |||
| Type of Attending | 0 | Consultant | 1058 (47.55%) | 37 (37.76%) | 1021 (48.00%) | 0.047 |
| Teaching | 1167 (52.45%) | 61 (62.24%) | 1106 (52.00%) | |||
| Fellow | 0 | Yes | 247 (11.10%) | 19 (19.39%) | 228 (10.72%) | 0.0076 |
| No | 1978 (88.90%) | 79 (80.61%) | 1899 (89.28%) | |||
| Tobacco use | 68 | Current | 202 (9.36%) | 18 (18.37%) | 184 (8.94%) | 0.0034 |
| Not current | 1955 (90.64%) | 80 (81.63%) | 1875 (91.06%) | |||
| Diabetes | 0 | Yes | 552 (24.81%) | 29 (29.59%) | 523 (24.59%) | 0.2622 |
| No | 1673 (75.19%) | 69 (70.41%) | 1604 (75.41%) | |||
| HIV Status | 1 | Yes | 85 (3.82%) | 1 (1.02%) | 84 (3.95%) | 0.1801 |
| No | 2139 (96.18%) | 97 (98.98%) | 2042 (96.05%) | |||
| Right colon adenoma | ||||||
| Variable | Missing | Level | Total | Yes (N = 316, 14.2%) | No (N = 1909, 85.8%) | P-value1 |
| Age (continuous) | 0 | 316 vs 1909 | 57.00 ± 10.73 | 58.96 ± 10.49 | 57.00 ± 10.98 | <0.0001 |
| Age (categorical) | 0 | 45 - 54 | 879 (39.51%) | 98 (31.01%) | 781 (40.91%) | 0.002 |
| 55 - 64 | 919 (41.30%) | 142 (44.94%) | 777 (40.70%) | |||
| ≥65 | 427 (19.19%) | 76 (24.05%) | 351 (18.39%) | |||