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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2020 Jan 13;29(3):599–605. doi: 10.1158/1055-9965.EPI-19-1087

Table 2.

Multivariable analyses with somatic copy number variation (SCNV) and total somatic mutation burden (TSMB).

Log10 SCNV Log10 TSMB
Model n Estimate Standard Error p-value n Estimate Standard Error p-value
BMI per 5 kg/m2 increase
 All tumors 1 200 0.060 0.032 0.062 178 0.006 0.019 0.761
2 130 0.077 0.037 0.039 117 0.013 0.020 0.522
 ER positive tumors 1 163 0.039 0.033 0.245 144 −0.007 0.019 0.706
2 106 0.068 0.039 0.082 94 0.004 0.022 0.841
 ER negative tumors 1 37 0.212 0.094 0.031 34 0.091 0.054 0.103
2 24 0.170 0.131 0.218 23 0.117 0.062 0.085
Pre-diagnostic cigarette smoking
 All tumors 1 184 0.152 0.087 0.082 159 0.135 0.052 0.010
2 120 0.252 0.105 0.018 107 0.145 0.061 0.020
 ER positive tumors 1 148 0.125 0.095 0.192 127 0.114 0.058 0.053
2 97 0.227 0.115 0.051 85 0.150 0.070 0.036
 ER negative tumors 1 36 0.262 0.208 0.218 32 0.150 0.114 0.199
2 23 0.257 0.354 0.483 22 0.132 0.172 0.462
Pre-diagnostic alcohol consumption
 All tumors 1 174 0.261 0.100 0.010 155 0.027 0.065 0.671
2 119 0.241 0.129 0.064 107 0.032 0.077 0.680
 ER positive tumors 1 141 0.230 0.108 0.035 124 0.026 0.071 0.719
2 96 0.169 0.137 0.219 85 0.079 0.084 0.354
 ER negative tumors 1 33 0.364 0.253 0.161 31 0.091 0.140 0.519
2 23 0.513 0.497 0.324 22 −0.204 0.241 0.418

Model 1 adjusted for age and year of diagnosis. Model 2 adjusted for age and year of diagnosis, estrogen receptor (ER), progesterone receptor, HER2 status, tumor grade, stage, and study site.