From: Dietary fiber intake, the gut microbiome, and chronic systemic inflammation in a cohort of adult men
 | Quartiles of recent dietary fiber intake | |||
---|---|---|---|---|
1 (n = 77) | 2 (n = 77) | 3 (n = 77) | 4 (n = 76) | |
Age, years | 70.0 (4.1) | 71.9 (4.5) | 70.0 (4.0) | 70.2 (4.1) |
Body mass index, kg/m2 | 26.1 (3.2) | 26.9 (4.5) | 25.2 (2.9) | 24.1 (3.3) |
Physical activity, MET-hrs/week | 48.2 (39.9) | 39.3 (31.2) | 52.4 (42.3) | 51.1 (32.5) |
Total energy intake, kcal/d | 2363 (475) | 2231 (481) | 2312(453) | 2337 (473) |
Total fiber intake, g/d | 16.6 (2.6) | 22.0 (1.4) | 26.4 (1.4) | 36.2 (6.5) |
Cereal fiber, g/d | 6.2 (1.9) | 6.9 (1.9) | 7.7 (2.3) | 9.5 (3.4) |
Fruit fiber, g/d | 3.1 (1.5) | 4.4 (2.0) | 5.4 (2.2) | 6.7 (3.1) |
Vegetable fiber, g/d | 6.2 (2.4) | 7.3 (2.2) | 7.1 (2.2) | 8.2 (2.1) |
Alcohol intake, % | ||||
 Never | 4.3 | 12.5 | 13.2 | 18.9 |
 Rarely | 17.0 | 14.3 | 15.1 | 17.0 |
 1–6 times/week | 38.3 | 37.5 | 43.4 | 34.0 |
 Daily | 36.2 | 32.1 | 26.4 | 30.2 |
 More than daily | 4.3 | 3.6 | 1.9 | 0 |
Antibiotic use, % | 29.2 | 28.6 | 27.8 | 21.8 |
Probiotic use, % | 4.3 | 3.6 | 11.5 | 5.8 |
Current smoker, % | 2.6 | 0 | 1.3 | 0 |
Bristol score, % | ||||
 1–2, hard stool | 14.6 | 18.2 | 7.4 | 12.7 |
 3–5, normal stool | 79.2 | 78.2 | 87.0 | 81.8 |
 6–7, loose stool | 6.3 | 3.6 | 5.6 | 5.5 |
Total cholesterol, mg/dL | 186 (38) | 182 (41) | 186 (42) | 178 (33) |
HDL cholesterol, mg/dL | 59.9 (13.7) | 55.1 (15.0) | 56.2 (15.3) | 55.5 (12.9) |
Total/HDL cholesterol ratio | 3.2 (0.8) | 3.4 (0.9) | 3.4 (0.8) | 3.3 (0.7) |
C-reactive protein, mg/dL | 2.1 (2.8) | 1.9 (2.9) | 1.3 (2.1) | 1.7 (2.5) |