Table 4 Risk of interval breast cancer for BMI and mammographic measures by tumor characteristics

373, 0.77

363, 0.77

380, 0.73

349, 0.77

339, 0.77

356, 0.73

94/ 278

0.71 (0.38,1.33)

0.70 (0.38,1.31)

0.74 (0.40,1.35)

45/ 145

0.91 (0.51,1.61)

0.88 (0.50,1.56)

0.90 (0.51,1.61)

1.04 (0.71,1.51)

1.03 (0.71,1.50)

0.98 (0.68,1.42)

1.05 (0.49,2.25)

0.96 (0.45,2.03)

0.93 (0.44,1.97)

P _{for interaction with age} = 0.65

P _{for interaction with age} = 0.66

P _{for interaction with age} = 0.79

P = 0.82

P = 0.87

P = 0.90

2.14 (1.59,2.89)

2.12 (1.58,2.85)

2.13 (1.58,2.86)

2.10 (1.57,2.82)

1.84 (1.20,2.83)

1.90 (1.27,2.84)

1.82 (1.20,2.73)

1.85 (1.27,2.71)

P = 0.58

P = 0.67

P = 0.54

P = 0.60

2.63 (1.87,3.69)

2.60 (1.85,3.64)

2.34 (1.46,3.76)

2.26 (1.44,3.56)

P = 0.70

P = 0.64

0.64 (0.49,0.85)

0.65 (0.49,0.85)

0.53 (0.35,0.81)

0.53 (0.35,0.81)

P = 0.46

P = 0.44

362, 0.78

352, 0.78

370, 0.74

344, 0.77

334, 0.77

352, 0.73

57/ 172

0.56 (0.23,1.33)

0.56 (0.24,1.32)

0.59 (0.26,1.36)

80/ 245

0.94 (0.58,1.53)

0.91 (0.57,1.46)

0.91 (0.56,1.48)

1.62 (0.94,2.80)

1.54 (0.91,2.62)

1.43 (0.87,2.36)

0.64 (0.39,1.04)

0.63 (0.39,1.03)

0.63 (0.38,1.02)

P _{for interaction with age} = 0.13

P _{for interaction with age} = 0.16

P _{for interaction with age} = 0.20

P = 0.04

P = 0.05

P = 0.06

2.32 (1.56,3.44)

2.10 (1.46,3.01)

2.32 (1.58,3.41)

2.11 (1.48,3.01)

1.91 (1.36,2.69)

2.04 (1.46,2.83)

1.82 (1.32,2.52)

1.92 (1.41,2.62)

P = 0.46

P = 0.91

P = 0.35

P = 0.70

2.92 (1.84,4.65)

2.89 (1.84,4.56)

2.41 (1.67,3.49)

2.29 (1.61,3.25)

P = 0.52

P = 0.42

0.58 (0.40,0.83)

0.60 (0.43,0.86)

0.59 (0.43,0.82)

0.59 (0.43,0.81)

P = 0.93

P = 0.91

368, 0.77

361, 0.76

375, 0.73

345, 0.76

337, 0.76

351, 0.73

41/ 123

0.66 (0.28,1.56)

0.65 (0.28,1.54)

0.67 (0.28,1.58)

96/ 293

0.91 (0.57,1.47)

0.89 (0.56,1.43)

0.92 (0.58,1.47)

0.91 (0.47,1.77)

0.93 (0.49,1.77)

0.87 (0.45,1.70)

1.08 (0.73,1.59)

1.06 (0.72,1.55)

1.01 (0.70,1.48)

P _{for interaction with age} = 0.78

P _{for interaction with age} = 0.77

P _{for interaction with age} = 0.88

P = 0.62

P = 0.68

P = 0.66

2.15 (1.39,3.30)

2.19 (1.42,3.38)

2.03 (1.34,3.07)

2.05 (1.36,3.11)

1.96 (1.47,2.63)

1.95 (1.48,2.58)

1.95 (1.46,2.60)

1.94 (1.48,2.56)

P = 0.74

P = 0.66

P = 0.88

P = 0.83

2.43 (1.50,3.95)

2.29 (1.44,3.66)

2.43 (1.76,3.36)

2.41 (1.75,3.31)

P = 1.00

P = 0.87

0.82 (0.54,1.24)

0.82 (0.55,1.22)

0.55 (0.41,0.73)

0.55 (0.41,0.74)

P = 0.13

P = 0.12

386, 0.78

375, 0.77

387, 0.75

354, 0.77

343, 0.76

356, 0.74

24/ 66

0.62 (0.21,1.82)

0.60 (0.20,1.77)

0.67 (0.24,1.91)

52/ 165

0.40 (0.13,1.22)

0.38 (0.13,1.13)

0.39 (0.13,1.18)

61/ 187

1.01 (0.62,1.66)

0.98 (0.61,1.58)

0.99 (0.62,1.59)

0.64 (0.24,1.67)

0.61 (0.22,1.64)

0.63 (0.24,1.65)

1.18 (0.66,2.11)

1.23 (0.70,2.17)

1.08 (0.61,1.92)

1.08 (0.67,1.74)

1.14 (0.73,1.79)

1.22 (0.80,1.86)

P _{for interaction with age} = 0.53

P _{for interaction with age} = 0.41

P _{for interaction with age} = 0.52

P = 0.36

P = 0.28

P = 0.24

1.61 (0.97,2.70)

1.64 (0.97,2.77)

1.49 (0.92,2.41)

1.49 (0.92,2.43)

2.64 (1.70,4.11)

2.77 (1.77,4.33)

2.66 (1.71,4.13)

2.75 (1.76,4.29)

1.85 (1.28,2.68)

1.77 (1.28,2.45)

1.86 (1.29,2.68)

1.80 (1.31,2.47)

P = 0.29

P = 0.19

P = 0.20

P = 0.14

2.11 (1.17,3.80)

1.90 (1.09,3.32)

2.94 (1.83,4.71)

2.92 (1.82,4.69)

2.24 (1.51,3.33)

2.27 (1.54,3.34)

P = 0.60

P = 0.49

0.78 (0.48,1.26)

0.80 (0.50,1.28)

0.73 (0.48,1.10)

0.72 (0.49,1.06)

0.48 (0.33,0.71)

0.48 (0.33,0.70)

P = 0.20

P = 0.16

395, 0.78

381, 0.78

397, 0.75

359, 0.78

345, 0.77

361, 0.74

25/ 70

0.71 (0.25,2.00)

0.70 (0.25,1.99)

0.69 (0.23,2.09)

51/ 154

0.69 (0.31,1.54)

0.70 (0.32,1.52)

0.73 (0.35,1.52)

65/ 204

0.99 (0.52,1.88)

0.96 (0.51,1.78)

0.99 (0.52,1.89)

0.80 (0.23,2.85)

0.81 (0.23,2.89)

0.82 (0.23,2.92)

1.03 (0.60,1.76)

0.96 (0.56,1.62)

0.91 (0.54,1.55)

0.92 (0.54,1.57)

0.94 (0.55,1.59)

0.94 (0.58,1.53)

P _{for interaction with age} = 0.90

P _{for interaction with age} = 0.95

P _{for interaction with age} = 0.97

P = 0.93

P = 0.94

P = 0.93

1.62 (0.92,2.83)

1.62 (0.92,2.87)

1.57 (0.91,2.70)

1.56 (0.91,2.69)

1.65 (1.14,2.38)

1.65 (1.16,2.33)

1.61 (1.13,2.31)

1.62 (1.15,2.28)

2.78 (1.86,4.15)

2.74 (1.87,4.01)

2.74 (1.85,4.06)

2.71 (1.87,3.93)

P = 0.11

P = 0.11

P = 0.09

P = 0.08

1.76 (0.99,3.15)

1.71 (0.97,2.99)

2.09 (1.40,3.12)

2.05 (1.38,3.03)

3.50 (2.20,5.58)

3.44 (2.19,5.41)

P = 0.12

P = 0.10

0.83 (0.53,1.29)

0.83 (0.54,1.27)

0.54 (0.37,0.79)

0.54 (0.37,0.79)

0.58 (0.40,0.83)

0.58 (0.40,0.83)

P = 0.32

P = 0.32

354, 0.80

345, 0.79

362, 0.76

339, 0.78

331, 0.77

347, 0.74

65/ 189

1.34 (0.73,2.47)

1.32 (0.72,2.41)

1.31 (0.71,2.42)

71/ 224

0.46 (0.23,0.93)

0.45 (0.22,0.91)

0.48 (0.24,0.96)

0.64 (0.36,1.14)

0.65 (0.37,1.12)

0.62 (0.35,1.09)

1.61 (1.04,2.49)

1.60 (1.03,2.49)

1.58 (1.03,2.41)

P _{for interaction with age} = 0.01

P _{for interaction with age} = 0.01

P _{for interaction with age} = 0.01

P = 0.01

P = 0.01

P = 0.01

2.32 (1.57,3.41)

2.30 (1.60,3.31)

2.23 (1.55,3.23)

2.20 (1.56,3.09)

1.92 (1.39,2.66)

1.92 (1.40,2.64)

1.84 (1.35,2.52)

1.85 (1.36,2.51)

P = 0.47

P = 0.46

P = 0.43

P = 0.46

2.69 (1.79,4.07)

2.61 (1.76,3.88)

2.47 (1.69,3.61)

2.32 (1.62,3.33)

P = 0.76

P = 0.66

0.58 (0.41,0.81)

0.57 (0.41,0.80)

0.60 (0.43,0.84)

0.62 (0.45,0.85)

P = 0.87

P = 0.72