Table 1 Participant baseline characteristics by baseline colonoscopy outcome
Characteristic | All (N = 2934) | AN (N = 313) | No AN (N = 2621) | Chi-Square p-value |
|---|---|---|---|---|
Age – years | ||||
50-59 | 986 (33.6%) | 58 (18.5%) | 928 (35.4%) | p < 0.0001 |
60-69 | 1398 (47.7%) | 183 (58.5%) | 1215 (46.4%) | |
70-75 | 550 (18.8%) | 72 (23.0%) | 478 (18.2%) | |
Race | ||||
White (Non-Hispanic) | 2493 (85.0%) | 273 (87.2%) | 2220 (84.7%) | p = 0.29 |
African-American (Non-Hispanic) | 285 (9.7%) | 22 (7.0%) | 263 (10.0%) | |
Hispanic | 132 (4.5%) | 14 (4.5%) | 118 (4.5%) | |
Asian-American | 24 (0.8%) | 4 (1.3%) | 20 (0.8%) | |
Colorectal cancer in 1o relativea | ||||
0 or unknown | 2526 (86.1%) | 256 (81.8%) | 2270 (86.6%) | p = 0.02 |
1 | 378 (12.9%) | 50 (16.0%) | 328 (12.5%) | |
≥ 2 | 30 (1.0%) | 7 (2.2%) | 23 (0.9%) | |
Vigorous exercise- hrs/wk | ||||
0 | 1375 (46.9%) | 168 (53.7%) | 1207 (46.1%) | p = 0.01 |
> 0-2 | 1370 (46.7%) | 122 (39.0%) | 1248 (47.6%) | |
> 2-4 | 116 (4.0%) | 18 (5.8%) | 98 (3.7%) | |
> 4 | 73 (2.5%) | 5 (1.6%) | 68 (2.6%) | |
Regular aspirin/NSAID use | ||||
No | 773 (26.4%) | 81 (25.9%) | 692 (24.6%) | p = 0.13 |
Yes | 1581 (53.9%) | 157 (50.2%) | 1424 (54.3%) | |
Do not know | 580 (19.8%) | 75 (24.0%) | 505 (19.3%) | |
Smoking –cigs/day | ||||
0 Or Unknown | 746 (25.4%) | 80 (25.6%) | 666 (25.4%) | p = 0.68 |
1-10 | 402 (13.7%) | 36 (11.5%) | 366 (14.0%) | |
11-20 | 826 (28.2%) | 92 (29.4%) | 734 (28.0%) | |
> 20 | 960 (32.7%) | 105 (33.6%) | 855 (32.6%) | |
Vegetable intake -servings/week | ||||
< 5 | 43 (1.5%) | 3 (1.0%) | 40 (1.5%) | p = 0.43 |
≥ 5 | 2891 (98.5%) | 310 (99.0%) | 2581 (98.5%) | |
BMI – kg/m2 | ||||
< 25 | 565 (19.3%) | 65 (20.8%) | 500 (19.1%) | p = 0.14 |
≥ 25 and < 30 | 1346 (45.9%) | 127 (40.6%) | 1219 (46.5%) | |
≥ 30 | 1023 (34.9%) | 121 (38.7%) | 902 (34.4%) | |