Initial Demographic Characteristics of the Randomized Patient Population (n = 162) by Fiber Group.
| Characteristic | High Fiber | Low Fiber | Control | P Value |
|---|---|---|---|---|
| a χ2 Analysis of the distribution. | ||||
| b Analysis of variance. | ||||
| No. | 51 | 54 | 57 | |
| Sex, % | .68a | |||
| Male | 25.5 | 31.5 | 24.6 | |
| Female | 74.5 | 68.5 | 75.4 | |
| Race, % | .43a | |||
| Black | 35.3 | 50.0 | 49.1 | |
| White | 62.8 | 48.2 | 50.9 | |
| Other | 2.0 | 1.8 | 0 | |
| Smoker, % | .88a | |||
| Never | 60.8 | 63.0 | 64.9 | |
| Former | 19.6 | 22.2 | 22.8 | |
| Current | 19.6 | 14.8 | 12.3 | |
| Diabetic, % | 15.7 | 18.5 | 15.8 | .91a |
| Hypertensive, % | 31.4 | 51.9 | 36.8 | .08a |
| Taking statin medication, % | 13.7 | 18.5 | 15.8 | .80a |
| Age, years, mean (SD) | 51.4 (6.4) | 50.6 (6.1) | 49.4 (6.1) | .22b |
| Body mass index, kg/m2, mean (SD) | 33.8 (5.9) | 32.6 (5.6) | 33.7 (6.6) | .55b |
| Dietary fiber, g/d, mean (SD) | 14.5 (3.9) | 13.5 (3.4) | 14.1 (4.4) | .42b |
| Fibrinogen, mg/dL, mean (SD) | 387.9 (75.7) | 389.8 (79.5) | 380.8 (61.9) | .80b |
| White blood cell count, 1,000/μL, mean (SD) | 6.38 (2.1) | 6.16 (1.9) | 6.17 (1.9) | .81b |
| C-reactive protein level, mg/L, mean (SD) | 7.61 (5.8) | 7.62 (6.7) | 7.79 (7.5) | .99b |