Relative risk of hospital admission or death from diverticular disease in the Million Women Study by fifths of dietary fibre intake
| Relative risks and 95% group-specific CIs* by fifths of dietary fibre intake | |||||
|---|---|---|---|---|---|
| Lowest | 2 | Middle | 4 | Highest | |
| Total dietary fibre | 1.00 (0.96 to 1.04) | 0.92 (0.89 to 0.95) | 0.88 (0.85 to 0.91) | 0.84 (0.81 to 0.87) | 0.75 (0.72 to 0.78) |
| By source of dietary fibre† | |||||
| Cereal | 1.00 (0.97 to 1.04) | 0.96 (0.93 to 0.99) | 0.91 (0.88 to 0.94) | 0.86 (0.83 to 0.89) | 0.80 (0.77 to 0.83) |
| Fruit | 1.00 (0.97 to 1.03) | 0.89 (0.87 to 0.92) | 0.88 (0.85 to 0.91) | 0.85 (0.82 to 0.88) | 0.79 (0.76 to 0.82) |
| Vegetable (not potato) | 1.00 (0.97 to 1.03) | 0.94 (0.91 to 0.97) | 0.97 (0.93 to 1.00) | 0.95 (0.92 to 0.98) | 0.94 (0.91 to 0.97) |
| Potato | 1.00 (0.97 to 1.03) | 1.02 (0.99 to 1.06) | 1.06 (1.03 to 1.10) | 1.09 (1.05 to 1.13) | 1.14 (1.10 to 1.18) |
*Stratified by region and adjusted for age, socioeconomic status, smoking, alcohol, body mass index, height, current use of hormone therapy for menopause, total energy intake and type of meat consumed.
†See online supplementary eTables 1–4 for cut-off values, mean remeasured values and numbers of cases for each category for specific sources of dietary fibre intake.