Table 2. Magnitude of the association between tertiles of levels % DNA repair capacity (DRC) according to estrogen receptor (ER) and HER2 receptor status (n = 270).

HER2	ER		%DRC		Adjusted#	Adjusted#	Adjusted#
		<1.6%	1.6–3.2%	>3.2%	${\text{OR}}_{\text{ER}-\text{vs}.\text{ER}+}^{\left(\le 1.6\right)}$	${\text{OR}}_{\text{ER}-\text{vs}.\text{ER}+}^{\left(\le 3.2\right)}$	${\text{OR}}_{\text{ER}-\text{vs}.\text{ER}+}^{\left({\text{low DRC level}}^{\left(1\right)}\right)}$
Negative	Negative	24	14	12	2.23* (1.13, 4.38)	1.42 (.67, 2.99)	1.92* (1.03, 3.57)
(n = 206)	Positive	46	60	50	1	1	1
Positive	Negative	5	8	10	0.38 (0.11, 1.32)	0.92 (0.31,2.73)	0.67 (0.25,1.79)
(n = 64)	Positive	15	8	18	1	1	1
Total	Negative	29	22	22	1.48 (0.84, 2.61)	1.26 (0.70, 2.27)	1.38 (0.83, 2.29)
(n = 270)	Positive	61	68	68	1	1	1

^#Adjusted for menopausal status, breast cancer history age, multivitamin and/or calcium consumption in the last 5 years

*P-value < 0.05

(1) Only 1 OR is reported because the proportional odds assumption was met (p>0.05).