TABLE 1.
Baseline Demographics, by Trial Participation Status
| All Registered (n=142) |
Ineligible or Withdrawn (n=57) |
Intervention Cohort (n=85) |
p-value1 | |
|---|---|---|---|---|
| Characteristic2 | ||||
| Age, years | 0.49 | |||
| Median | 58 | 59 | 58 | |
| Range | 41–78 | 41–76 | 41–78 | |
| Gender, N (%) | 0.22 | |||
| Women | 55 (38.7) | 26 (45.6) | 29 (34.1) | |
| Men | 87 (61.3) | 31 (54.4) | 56 (65.9) | |
| BMI, kg/m2 | 0.81 | |||
| Median | 28.3 | 28.2 | 28.3 | |
| Range | 15.5–51.3 | 22.5–47.7 | 15.5–51.3 | |
| Cigarette Smoking Status, N (%) | 0.82 | |||
| Never | 56 (42.4) | 21 (44.7) | 35 (41.2) | |
| Current | 18 (13.6) | 5 (10.6) | 13 (15.3) | |
| Former | 58 (43.9) | 21 (44.7) | 37 (43.5) | |
| Alcohol, Drinks per Day, N (%) | 0.85 | |||
| None | 50 (37.9) | 17 (36.2) | 33 (38.8) | |
| < 1 | 69 (52.3) | 24 (51.1) | 45 (52.9) | |
| 2–3 | 10 (7.6) | 5 (10.6) | 5 (5.9) | |
| ≥ 4 | 3 (2.3) | 1 (2.1) | 2 (2.4) | |
| Family History of CRC, N (%)3 | 0.12 | |||
| Yes | 27 (20.4) | 6 (12.8) | 21 (24.7) | |
| No | 105 (79.6) | 41 (87.2) | 64 (75.3) |
1
p-value for comparison between ineligible or withdrawn subjects versus intervention cohort subjects using Fisher’s Exact test for categorical responses and Rank Sum test for continuous responses;
2
data for one or more characteristics were missing for n=10 ineligible/withdrawn subjects;
3
defined as one or more first degree, biological (non-adopted) relative(s) with colorectal cancer.