Table 3. Anthropometric and lifestyle factors and their association with breast cancer.

Variables	Cases/Controls	OR(95%CI)1	OR(95%CI)2
Height
<1.53	224/399
1.53–1.57	401/666	1.10(0.88–1.37)	1.07(0.84–1.35)
>1.57	589/950	1.08(0.88–1.34)	1.06(0.84–1.33)
BMI
<23.0	654/757
23.0–27.4	388/758	0.68(0.57–0.81)***	0.67(0.56–0.81)***
≥27.5	165/493	0.53(0.43–0.67)***	0.47(0.37–0.61)***
Ever smoked
Never	1202/3,745
Ever	93/214	0.97(0.74–1.28)	0.75(0.56–1.01)
Alcohol intake
Non-drinker	1073/3,394
Less than 1 glass per week	98/279	0.71(0.55–0.91)**	0.45(0.34–0.59)***
1 glass per week or more	71/169	0.75(0.55–1.02)	0.52(0.37–0.71)***
Soy milk intake
None	795/2362
1 cup per week or less	382/1036	1.17(1–1.37)*	1.24(1.03–1.49)*
1 cup or more per week	72/521	0.36(0.27–0.48)***	0.25(0.18–0.33)***
Soy products intake
Once a week/less	403/401
Once a week or more	614/1,476	0.39(0.33–0.47)***	0.40(0.33–0.48)***
Physical activity, childhood (METS-hours/week)
<10	368/404
10–20	282/576	0.58(0.47–0.72)***	0.55(0.44–0.7)***
>20	425/942	0.59(0.48–0.72)***	0.58(0.47–0.72)***
Physical activity, mid-adulthood (METS-hours/week)
<10	524/518
10–20	307/639	0.52(0.43–0.63)***	0.50(0.41–0.61)***
>20	243/785	0.35(0.29–0.43)***	0.35(0.29–0.44)***
Physical activity, recent (METS-hours/week)
<10	518/706
10–20	407/759	0.73(0.61–0.87)***	0.72(0.59–0.87)***
>20	168/490	0.45(0.36–0.56)***	0.42(0.33–0.53)***

*p<0.05;

**p<0.01;

***p<0.001

¹Adjusted for age, ethnicity, and education. Only participants from private hospital were included

²Adjusted for age, ethnicity, education, and breast cancer risk factors (age of menarche, menopausal status, ever had full term pregnancy, first degree family history of breast cancer, parity, age of first full term pregnancy, ever breastfed, breastfeeding duration, ever had breast surgery when appropriate). Only participants from private hospital were included