Table 9 Estimates of lifetime attributable risk (LAR) of breast cancer incidence

20–29

13.43

37.45

26.45

1 in 396

3.58

9.27

6.56

I in 15,244

30–39

7.19

19.6

10.63

1 in 9434

1.26

5.46

2.88

1 in 34,722

40–49

3.37

11.08

5.99

1 in 16,667

0.64

3.03

1.87

1 in 53,191

50–59

1.06

3.61

2.11

1 in 47,619

0.41

1.39

0.87

1 in 113,636

60–69

0.40

2.17

0.95

I in 150,270

0.08

0.41

0.28

1 in 357,143

70–79

0.09

0.87

0.54

1 in 185,185

0.05

0.32

0.14

1 in 714,286

80–89

0.04

0.26

0.14

1 in 714,286

0.05

0.06

0.06

1 in 1,666,667

Overall

0.04

37.45

7.17

1 in 1426

0.05

9.27

1.35

1 in 74,074