TABLE 2.
Baseline Characteristics of Good and Excellent Groups
| Baseline Characteristics | Good Preparation (n = 3112) | Excellent Preparation (n = 2001) | P |
|---|---|---|---|
| Age (mean ± SD) | 59.6 ± 12.3 | 56.2 ± 12.9 | < 0.0001 |
| Gender [n (%)] | 0.2862 | ||
| Female | 1732 (56) | 1144 (57) | |
| Male | 1380 (44) | 857 (43) | |
| Race [n (%)] | 0.9282 | ||
| Non-African American | 2386 (77) | 1532 (77) | |
| African American | 726 (23) | 469 (23) | |
| Smoking status [n (%)] | 0.3958 | ||
| Never | 604 (51) | 415 (53) | |
| Previous | 363 (31) | 246 (32) | |
| Current | 208 (18) | 120 (15) | |
| Unknown | 1937 (62) | 1220 (61) | |
| Family history of colorectal cancer [n (%)] | 0.0001 | ||
| No | 2877 (92) | 1762 (88) | |
| Yes | 235 (8) | 239 (12) | |
| Family history of polyps [n (%)] | < 0.0001 | ||
| No | 3062 (98) | 1834 (92) | |
| Yes | 50 (2) | 167 (8) | |
| Personal history of colorectal cancer [n (%)] | 0.0001 | ||
| No | 3013 (97) | 1972 (99) | |
| Yes | 99 (3) | 29 (1) | |
| Personal history of polyp [n (%)] | < 0.0001 | ||
| No | 2389 (77) | 1674 (84) | |
| Yes | 723 (23) | 327 (16) | |
| Indication [n (%)] | < 0.0001 | ||
| Screening | 1008 (32) | 816 (41) | |
| Surveillance | 1116 (36) | 482 (24) | |
| Symptoms | 988 (32) | 703 (35) | |
| Body mass index (BMI) [n (%)] | 0.3865 | ||
| Underweight (< 18.5) | 34 (1) | 20 (1) | |
| Normal (18.5-25) | 544 (17) | 350 (17) | |
| Overweight (25-30) | 652 (21) | 444 (22) | |
| Obese (> 30) | 740 (24) | 435 (22) | |
| Unknown BMI | 1142 (37) | 752 (38) | |