Percentile
  Number (% in 10000) 10% 25% 50% 75% 90%
Enrolment (age) 10000 (100%) 50 52 57 64 68
10-year risk (%)   2.6% 2.7% 2.7% 2.8% 3.0%
Menarche (age) 9816 (98%) 11 12 13 14 15
Relative risk   1.08 1.08 1.01 0.99 0.94
Nulliparous (yes) 1333 (13%)     -    
Relative risk       1.28    
Parous (age first) 8619 (86%) 18 20 23 27 31
Relative risk   0.86 0.95 0.95 1.13 1.33
Post / pre-menopause (age) 5867 (59%) 42 46 50 52 55
Relative risk   0.80 0.93 1.06 1.06 1.20
Pre-menopause (age) 917 (9%) 47 48 50 51 56
Relative risk   1.08 1.08 1.08 1.09 1.20
Height (m) 9049 (90%) 1.55 1.57 1.63 1.65 1.70
Relative risk   0.91 0.91 1.01 1.05 1.24
BMI (kg/m2) 7441 (74%) 21.3 23.3 26.0 29.6 34.0
Relative risk (post menopause)   0.97 0.97 1.08 1.13 1.13
Affected mother and/or sister (min age) 378 (4%) 40 47 55 67 74
RR from mother when aged 50   1.8 1.8 1.7 1.7 1.7
Table 2: Summary of phenotypic risk factors in the cohort.