Table 1.
Characteristics of Study Subjects by Advanced Neoplasia Status
| Advanced Neoplasia (n=410) |
No-Advanced Neoplasia (n=4,090) |
p value | ||
|---|---|---|---|---|
| Mean (SD) | t value | |||
| Age (year) | 61.4 (9.0) | 56.9 (6.3) | 568.7 | <.0001 |
| Pack years | 20.8 (26.1) | 8.7 (16.6) | 36.5 | <.0001 |
| Vegetable intake-weekly | 15.1 (8.2) | 15.9 (7.5) | 140.0 | 0.05 |
| Red meat intake-weekly | 5.1 (3.0) | 4.1 (2.5) | 111.3 | <.0001 |
| n (%) | X2 [DF] | |||
| Gender | ||||
| Male | 250 (61.0) | 1,928 (47.1) | 28.6 [1] | <.0001 |
| Female | 160 (39.0) | 2,162 (52.9) | ||
| Race | ||||
| Non-Hispanic White | 358 (87.3) | 3884 (95.0) | 76.8 [2] | <.0001 |
| Non-Hispanic Black | 44 (10.7) | 106 (2.6) | ||
| Other | 8 (1.9) | 100 (2.4) | ||
| Education | ||||
| High School Education | 152 (37.1) | 1060 (26.0) | 47.8 [3] | <.0001 |
| Trade/Vocational School | 62 (15.1) | 401 (9.8) | ||
| College Education | 141 (34.4) | 1682 (41.2) | ||
| Postgraduate | 55 (13.4) | 940 (23.0) | ||
| *Alcohol Use | ||||
| No problem drinking | 323 (78.8) | 3492 (85.4) | 12.9 [1] | 0.0003 |
| Problem drinking | 87 (21.2) | 595 (14.6) | ||
| †Aspirin-NSAID intake | ||||
| Low | 258 (62.9) | 2649 (64.8) | 6.6 [2] | 0.04 |
| Medium | 46 (11.2) | 581 (14.2) | ||
| High | 106 (25.9) | 860 (21.0) | ||
| Estrogen (Females) | ||||
| No | 37 (23.1) | 918 (42.3) | 23.3 [1] | <.0001 |
| Yes | 123 (76.9) | 1238 (57.4) | ||
| Exercise | ||||
| 0-<2 hrs./week | 239 (58.3) | 1743 (42.6) | 32.6 [2] | <.0001 |
| 2 to <4hrs./week | 153 (37.3) | 2054 (50.2) | ||
| >4 hrs./week | 9 (2.2) | 102 (2.5) | ||
| Family History of Colorectal Cancer | ||||
| Yes | 55 (13.4) | 372 (9.1) | 8.1 [1] | 0.004 |
| No | 355 (86.6) | 3718 (90.0) | ||
*
Problem drinking is defined as having ≥11 or ≥6 drinks/week for males and females respectively.
†
Aspirin-NSAID intake is defined as, Low ≤1/month for 1–5 years or 1-/month for 6–10 years; Medium 1–7/month for 11–20 years or 2–5/week for 6–10 years or 1–7/month for ≥20yrs; and High ≥2 per week for ≥10 years or daily for 6+ years.