Table 3.

Breast cancer incidence by BMI and WHR.

(A) Bandera et al. (48)
	Pre-menopausal				Post-menopausal
	Cases	Controls	OR	95% CI	Cases	Controls	OR	95% CI
BMI (kg/m2)
<25	47	1,185	Ref		60	1,713	Ref
25–29.99	73	1,253	1.29	0.85–1.94	71	2,874	0.55	0.37–0.84
30–34.99	56	814	1.43	0.91–2.23	77	1,926	0.72	0.47–1.08
≥35	51	835	1.13	0.71–1.80	56	1,460	0.6	0.39–0.93
WHR
≤ 0.74	33	1,006	Ref		21	1,071	Ref
0.75–0.81	55	938	1.26	0.78–2.03	40	1,106	1.33	0.76–2.31
0.82–0.88	63	851	1.18	0.73–1.91	72	1,232	1.73	1.02–2.91
>0.88	71	853	1.4	0.85–2.31	81	1,212	1.6	0.94–2.73
(B) Chollet-Hilton et al. (49)
	<40 years				≥40 years
	Cases	Controls	OR	95% CI	Cases	Controls	OR	95% CI
BMI (kg/m2)
<25.0	149	466	1		283	955	1
25–29.9	119	368	0.92	0.66–1.28	376	1,172	0.99	0.81–1.21
≥30.0	156	497	0.71	0.51–0.98	491	1,628	0.91	0.75–1.10
WHR
<0.77	104	441	1		1,166	1,166	1
0.77–0.83	128	341	1.14	0.81–1.59	952	952	1.02	0.83–1.25
≥0.84	163	394	1.46	1.04–2.05	1,285	1,285	1.11	0.91–1.35

(A) TNBC in pre- and post-menopausal women. (B) Breast cancer incidence by age. BMI, Body mass index; WHR, Waist-hip ratio; OR, Odds ratio; CI, Confidence interval.