TABLE 1.
Selective characteristics of postmenopausal women by dietary fiber intake (n = 185,598)
Dietary fiber intake |
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Quintile 1 | Quintile 3 | Quintile 5 | |
Dietary fiber intake (g/d)1 | 11 | 17 | 26 |
Age at baseline (y) | 62 ± 52 | 62 ± 5 | 63 ± 5 |
White, non-Hispanic (%) | 90 | 90 | 87 |
College or postcollege education (%) | 46 | 54 | 60 |
BMI (kg/m2) | 27.1 ± 6.3 | 27.0 ± 5.9 | 26.1 ± 5.6 |
Physical activity, ≥3 times/wk (%) | 27 | 41 | 57 |
Current smoker (%) | 28 | 12 | 7 |
Age at first birth and parity (%) | |||
Nulliparous | 14 | 14 | 15 |
<30 y and ≤2 children | 31 | 31 | 32 |
<30 y and ≥3 children | 49 | 50 | 47 |
≥30 y | 5 | 6 | 6 |
Age at menopause (%) | |||
<50 y | 63 | 60 | 58 |
50 to <55 y | 31 | 33 | 34 |
≥55 y | 6 | 7 | 8 |
Family history of breast cancer (%) | 12 | 12 | 12 |
Breast biopsy (%) | 23 | 25 | 25 |
Menopausal hormone therapy use (%) | |||
Never | 51 | 46 | 45 |
<5 y | 19 | 19 | 19 |
5–9 y | 11 | 14 | 14 |
≥10 y | 19 | 21 | 22 |
Gynecological surgery (%) | |||
No | 54 | 54 | 55 |
Both oophorectomy and hysterectomy | 22 | 23 | 22 |
Oophorectomy only | 4 | 4 | 3 |
Hysterectomy only | 20 | 20 | 20 |
Fruit and vegetable intake (servings/1000 kcal) | 2.6 ± 1.1 | 4.2 ± 1.2 | 6.8 ± 2.1 |
Alcohol intake (g/d) | 11 ± 28 | 5 ± 11 | 3 ± 7 |
Total fat intake (% total energy/d) | 34 ± 8 | 31 ± 7 | 25 ± 6 |
Total energy intake (kcal/d) | 1580 ± 720 | 1577 ± 638 | 1543 ± 636 |
Values are medians.
Mean ± SD (all such values).