Table 1 EPIC cohort characteristics for all women and postmenopausal women at baseline recruitment, 2010.
| Â | All women | Postmenopausal women | BMI tertiles6 | ||
|---|---|---|---|---|---|
| Â | Â | Â | 1 | 2 | 3 |
| Â | ( n = 314760) | (n = 144223) | ( n = 36792) | ( n = 48846) | ( n = 58585) |
Person years | 3399178 | 1542924 | 391812 | 525727 | 625386 |
Age at recruitment 1 | 50.9(19.9-98.5) | 58.1(27.8-98.5) | 56.8(32.4-98.5) | 57.8(32.3-94.9) | 59.1(27.8-88.6) |
Age at exit 1 | 61.9(21.1-102.4) | 68.9(40.4-102.4) | 67.7(40.4-102.4) | 68.7(40.8-101.3) | 69.8(40.5-98.3) |
Years of follow-up 2 | 11.4(0.01-16.8) | 11.5(0.01-16.7) | 11.6(0.01-16.7) | 11.6(0.02-16.6) | 11.5(0.01-16.6) |
Years until diagnosis 3 | 6.1(0.01-15.6) | 6.0(0.01-15.3) | 5.8(0.01-14.4) | 6.0(0.02-14.7) | 6.0(0.01-15.3) |
BMI (kg/m 2 ) 1 | 24.02(10.2-77.9) | 24.8(12.9-77.9) | 21.1(12.9-22.5) | 24.1(22.6-25-8) | 28.8(25.9-77.9) |
Hip circumference (cm) | 100.0(50.0-179.0) | 81.0(51.0-179.0) | 71.0(52.0-117.0) | 78.0(51.0-171.0) | 90.0(52.0-179.0) |
Waist circumference (cm) | 78.0(50.0-179.0) | 101.0(53.0-171.0) | 93.0(57.0-115.0) | 99.0(55.0-158.0) | 107.5(53.0-171.0) |
Premenopausal 4 | 35.5%(111560) | - | - | - | - |
Peri/or of unknown menopausal status 4 | 18.7%(58887) | - | - | - | - |
Postmenopausal 4 | 45.8%(144223) | - | - | - | - |
Never HRT user 5 | 38.4%(120992) | 54.7%(78,919) | 45.0%(16569) | 51.4%(25108) | 63.6%(37242) |
Past HRT user 5 | 7.0%(21980) | 12.7%(18,278) | 12.6%(4640) | 13.1%(6401) | 12.4%(7237) |
Current HRT user 5 | 16.5%(51975) | 29.6%(42,719) | 39.8%(1462) | 32.4%(15826) | 20.9%(12266) |
Missing HRT use 5 | 38.0%(119723) | 3%(4,307) | 2.6%(956) | 3.1%(1511) | 3.1%(1840) |