Characteristics | Average total coffee consumption, cups per day | |||
---|---|---|---|---|
 | ≤ 1 | 2-3 | 4-7 | ≥ 8 |
Number of women (%) | 15795 (16.1) | 32200 (32.9) | 36992 (37.8) | 12939 (13.2) |
Number of EC cases (%) | 82 (17.7) | 171 (37.1) | 177 (37.8) | 32 (6.9) |
Mean (sd) | ||||
Age at enrollment, years | 47.5 (8.64) | 48,7 (8.73) | 47.9 (8.31) | 43.7 (6.82) |
Age at menarche, years | 13.4 (1.45) | 13.4 (1.37) | 13.3 (1.36) | 13.2 (1.39) |
Age at first birth, years | 24.8 (4.53) | 24.4 (4.39) | 23.6 (4.17) | 22.7 (3.99) |
Age at menopause, years | 48.1 (5.03) | 48.7 (8.74) | 48.3 (4.66) | 46.9 (4.95) |
Duration of OC use, years | 2.9 (4.56) | 2.6 (4.29) | 2.5 (4.12) | 2.6 (4.01) |
Number of children, % | ||||
    0 | 11.4 | 9.5 | 7.9 | 7.5 |
    1-2 | 55.4 | 53.9 | 52.6 | 53.5 |
    ≥ 3 | 33.2 | 36.6 | 39.5 | 39.0 |
Years of total education, % | ||||
    < 9 | 16.6 | 21.2 | 28.9 | 36.7 |
    10-12 | 30.2 | 33.3 | 36.3 | 38.3 |
    13-16 | 32.5 | 29.9 | 24.3 | 19.3 |
    > 17 | 20.8 | 15.6 | 10.5 | 5.9 |
Smoking status, % | ||||
    Current | 17.7 | 21.8 | 39.3 | 61.8 |
    Former | 31.1 | 35.6 | 31.9 | 24.6 |
    Never | 51.2 | 42.6 | 28.8 | 13.7 |
BMI, % | ||||
    < 20 | 10.1 | 8.1 | 7.9 | 10.9 |
    20-24.9 | 56.8 | 58.1 | 56.7 | 57.6 |
    25-29.9 | 24.3 | 26.7 | 28.3 | 24.8 |
    ≥ 30 | 8.8 | 7.1 | 7.0 | 6.8 |
HRT use, % | ||||
    Never | 79.7 | 79.9 | 83.3 | 91.1 |
    Former | 8.7 | 8.4 | 7.1 | 3.3 |
    Current | 11.6 | 11.7 | 9.7 | 5.6 |
Prevalence of diabetes, % | 0.98 | 0.82 | 0.92 | 0.98 |