Table 6:

Hazard ratios for the association of predicted REE with risk of incident, invasive breast cancer in postmenopausal women stratified by anthropometric measures

	Ikeda	Livingston	Mifflin
	Per SD increase
BMI
18.5–24.9kg/m2	1.28 (1.17–1.40)	1.24 (1.14–1.35)	1.22 (1.14–1.30)
25.0–29.9kg/m2	1.26 (1.16–1.36)	1.26 (1.16–1.37)	1.18 (1.11–1.26)
≥30kg/m2	1.16 (1.10–1.22)	1.18 (1.11–1.25)	1.13 (1.08–1.19)
P-interaction	0.001	0.012	0.002
WC
<80cm.	1.15 (1.06–1.24)	1.14 (1.06–1.22)	1.15 (1.08–1.23)
80–<88cm.	1.25 (1.14–1.37)	1.25 (1.14–1.37)	1.22 (1.13–1.32)
≥88cm.	1.18 (1.13–1.22)	1.20 (1.15–1.25)	1.16 (1.12–1.21)
P-interaction	0.735	0.893	0.269
WHR: <0.80
<0.80	1.22 (1.18–1.27)	1.22 (1.18–1.27)	1.23 (1.18–1.27)
0.80–0.85	1.17 (1.11–1.22)	1.17 (1.12–1.23)	1.15 (1.09–1.20)
>0.85	1.20 (1.15–1.25)	1.22 (1.16–1.28)	1.20 (1.15–1.25)
P-interaction	0.975	0.766	0.469

Abbreviations: REE= resting energy expenditure, SD= standard deviation; BMI = body mass index, WC= waist circumference, WHR= waist to hip

Adjusted for education, physical activity, smoking status, alcohol consumption, randomization group/study arm, unopposed estrogen therapy ever use, combined estrogen and progesterone therapy use ever, breastfed ever, age at menopause, oral contraceptive, healthy eating index 2015, age at menarche and age