TABLE 1.
Baseline characteristics of participants in the DISC Study randomly assigned to the 4 intervention groups1
| All (n = 75) | Double placebo (n = 20) | PD + RS placebo (n = 20) | RS + PD placebo (n = 17) | RS + PD (n = 18) | |
| Ethnicity | |||||
| Caucasian | 73 (97)2 | 19 (95) | 19 (95) | 17 (100) | 18 (100) |
| Black African | 1 (1.33) | 1 (5) | 0 (0) | 0 (0) | 0 (0) |
| Mixed race | 1 (1.33) | 0 (0) | 1 (5) | 0 (0) | 0 (0) |
| Sex | |||||
| Female | 40 (53) | 10 (50) | 11 (55) | 13 (76) | 6 (33) |
| Male | 35 (47) | 10 (50) | 9 (45) | 4 (24) | 12 (67) |
| Age, y | 52.4 (30–80)3 | 48.0 (30–70) | 58.3 (33–80) | 53.4 (42–67) | 50.1 (36–74) |
| Smoking status | |||||
| Never | 38 (51) | 12 (60) | 12 (60) | 8 (47) | 6 (33) |
| Former | 21 (28) | 4 (20) | 5 (25) | 6 (35) | 6 (33) |
| Current | 16 (21) | 4 (20) | 3 (15) | 3 (18) | 6 (33) |
| BMI, kg/m2 | 30.0 (23.0–49.3) | 29.8 (23.2–37.1) | 29.7 (23.2–49.3) | 30.9 (23.0–43.1) | 29.9 (23.4–41.8) |
| Procedure | |||||
| Colonoscopy | 23 (31) | 6 (30) | 6 (30) | 6 (35) | 5 (28) |
| Flexible sigmoidoscopy | 52 (69) | 14 (70) | 14 (70) | 11 (65) | 13 (72) |
1
DISC, Dietary Intervention, Stem cells and Colorectal Cancer; PD, polydextrose; RS, resistant starch.
2
n; percentage in parentheses (all such values).
3
Mean; range in parentheses (all such values).