1. A. Percent density B. Dense area Chinese Indian Malay Chinese Indian
SUPPLEMENTARY FIGURE 1
SNP rs rs rs rs rs rs rs rs rs rs rs
Beta
-1.60
-1.45
-1.44
-1.21
0.02
0.10
1.26
2.32
2.45
2.51 NA -4 -3 -2 -1 1 2 3 4
-3.02
-2.06
-0.40
-2.89
-0.36
-0.91
0.08
-0.80
0.38
1.99 -7 -6 -5 5
-1.12
0.75
0.61
2.00
-2.60
-2.04
2.66
1.65
2.07
3.00 6 rs rs rs
-2.41
-1.47
-1.37
-0.85
-0.70
-0.21
1.31
1.45
3.29
3.36
-5.33
-1.55
-2.68
-4.09
1.64
0.48
0.26
0.24
0.81
2.46
-10 -9 -8
1.05
-0.41
1.29
3.71
-1.08
1.09
3.18
3.44
3.33 7
A. Percent density
B. Dense area
Chinese
Indian
Malay
Regression coefficient (95% CI)
Regression coefficient (95% CI)
Regression coefficient (95% CI)
Chinese
Indian
Malay
Regression coefficient (95% CI)
Regression coefficient (95% CI)
Regression coefficient (95% CI)

2. C. Nondense area Chinese Indian Malay D. Total breast area Chinese
SUPPLEMENTARY FIGURE 1 (continued)
C. Nondense area
Chinese
Indian
Malay
SNP
rs616488 rs rs rs rs rs
Beta
-1.78
-0.74
-0.22
-0.02
0.49
1.27 -5 -4 -3 -2 -1 1 2 3 4
3.26
-8.46
8.32 NA
9.89
-0.91
-20
-15
-10 5 10 15 20
-9.58
-4.47
6.74
-0.44
2.64
-2.17
Regression coefficient (95% CI)
Regression coefficient (95% CI)
Regression coefficient (95% CI)
D. Total breast area
Chinese
Indian
Malay
Beta
2.23
3.91
-6.66
7.77 NA
3.30
-5.27
-2.74
-20
-15
-10 -5 5 10 15 20
SNP rs
rs616488 rs rs rs rs rs rs
-2.52
-1.34
-0.86
1.12
1.41
3.05
3.20
3.70 -6 -4 -3 -2 -1 1 2 3 4 6 7
9.90
-9.14
-4.56
5.69
0.55
4.17
0.92
3.36
Regression coefficient (95% CI)
Regression coefficient (95% CI)
Regression coefficient (95% CI)