Table 2 Risk of breast cancer according to BMI and mammographic measures, by detection mode

Screen-detected cases

BIC, AUC

653, 0.63

660, 0.65

653, 0.65

654, 0.65

654, 0.62

646, 0.63

647, 0.62

(244 cases/700 controls)

BMI per 1 SD

 At age 50 years

0.92 (0.66, 1.27)

0.93 (0.67, 1.30)

0.94 (0.68, 1.30)

0.94 (0.67, 1.30)

 At age 70 years

1.29 (1.07, 1.56)

1.30 (1.07, 1.57)

1.29 (1.07, 1.56)

1.30 (1.07, 1.57)

P for interaction^a

0.09

0.11

0.12

0.11

DA per adjusted 1 SD

1.19 (1.04, 1.38)

1.20 (1.04, 1.39)

1.19 (1.03, 1.37)

1.20 (1.04, 1.39)

PDA per adjusted 1 SD

1.22 (1.05, 1.41)

1.22 (1.05, 1.41)

NDA per adjusted 1 SD

0.95 (0.82, 1.11)

0.95 (0.82, 1.11)

Interval cases

BIC, AUC

420, 0.60

376, 0.76

373, 0.75

388, 0.72

364, 0.75

361, 0.75

377, 0.72

(148 cases/446 controls)

BMI per 1 SD

 At age 50 years

0.92 (0.63, 1.35)

0.81 (0.54, 1.22)

0.80 (0.54, 1.20)

0.82 (0.54, 1.23)

 At age 70 years

1.12 (0.84, 1.49)

1.12 (0.82, 1.52)

1.10 (0.81, 1.49)

1.09 (0.81, 1.46)

P for interaction^a

0.49

0.29

0.29

0.33

DA per adjusted 1 SD

1.89 (1.51, 2.36)

1.90 (1.53, 2.37)

1.87 (1.49, 2.33)

1.88 (1.52, 2.34)

PDA per adjusted 1 SD

2.27 (1.77, 2.92)

2.24 (1.75, 2.86)

NDA per adjusted 1 SD

0.63 (0.50, 0.78)

0.63 (0.51, 0.78)