Table 1.

HRs for overall mortality associated with BMI and WHR, in the CBCS Phases I and II

Variable	Deaths/N	Model 1 HR (95 % CI)	Model 2 HR (95 % CI)	Model 3 HR (95 % CI)
BMI
All BC patients
<25 kg/m2	129/395	1	1	1
25 to <30 kg/m2	125/308	1.28 (0.98, 1.68)	1.17 (0.89, 1.55)	1.14 (0.86, 1.50)
≥30 kg/m2	184/411	1.19 (0.91, 1.55)	1.07 (0.81, 1.41)	1.11 (0.84, 1.45)
Basal-like
<25 kg/m2	16/53	1	1	1
25 to <30 kg/m2	27/62	1.90 (0.93, 3.85)	2.04 (0.95, 4.37)	1.65 (0.79, 3.45)
≥30 kg/m2	41/83	2.25 (1.14, 4.46)	2.73 (1.28, 5.80)	2.04 (1.01, 4.13)
Luminal
<25 kg/m2	84/268	1	1	1
25 to <30 kg/m2	80/198	1.33 (0.95, 1.85)	1.14 (0.80, 1.62)	1.24 (0.88, 1.74)
≥30 kg/m2	111/251	1.12 (0.80, 1.57)	0.91 (0.63, 1.31)	1.01 (0.71, 1.44)
WHR
All BC patients
<0.77	79/284	1	1	1
0.77 to <0.84	142/389	1.25 (0.92, 1.68)	1.24 (0.91, 1.68)	1.08 (0.79, 1.47)
≥0.84	221/451	1.50 (1.11, 2.05)	1.44 (1.04, 1.99)	1.25 (0.91, 1.72)
Basal-like
<0.77	13/36	1	1	1
0.77 to <0.84	37/81	1.43 (0.69, 2.93)	0.95 (0.44, 2.05)	1.26 (0.61, 2.62)
≥0.84	34/83	0.88 (0.40, 1.95)	0.52 (0.22, 1.23)	0.87 (0.39, 1.93)
Luminal
<0.77	53/201	1	1	1
0.77 to <0.84	77/240	1.09 (0.74, 1.60)	1.10 (0.75, 1.63)	0.89 (0.60, 1.33)
≥0.84	148/282	1.75 (1,20, 2.56)	1.79 (1.20, 2.68)	1.33 (0.89, 1.97)

Model 1 was adjusted for age, race, study phase, income, education, physical activity, alcohol intake, smoking, and parity; model 2 was additionally adjusted for WHR (in model of BMI) or BMI (in model of WHR); model 3 was adjusted for tumor stage, tumor size, lymph node status, histological-type, and variables in model 1