Table 2.

Multivariable Analysis of Association of Neoadjuvant Chemotherapy use with Nonclinical and Clinical characteristics

	Unadjusted (OR (CI 95%))	p-value	Adjusted (OR (CI 95%))	p-value
Age		0.0004		0.01
25−40	4.7 (2.1−10.2)		3.8 (1.6−9.0)
41−50	1.7 (0.8−3.4)		1.7 (0.8−3.6)
51−60	1.2 (0.6−2.3)		1.2 (0.6−2.5)
61−80	-		-
Marital Status				0.16
Partnered	0.08 (0.6−1.9)		0.6 (0.3−1.2)
Unpartnered	-		-
Stage		0.0001		0.0001
1	0.2 (0.1−0.5)		0.2 (0.1−0.44)
2	0.9 (0.5−1.6)		0.7 (0.4−1.4)
3	-		-
Subtype		0.009		0.007
HER2-HR-	1.8 (1.0−3.5)		2.2 (1.1−4.6)
HER2+ HR+	2.3 (1.2−4.3)		2.5 (1.2−5.0)
HER2+ HR-	3.4 (1.3−8.7)		4.3 (1.4−12.7)
HER2-HR+	-		-
Income		0.03		0.01
Missing	1.07 (0.5−2.4)		1.4 (0.6−3.5)
Less than $100,000	0.53 (0.3−0.9)		0.56 (0.2−0.9)
Greater than $100,000	-		-
Rural (Non-Metropolitan Statistical Area)	0.65  (0.4−1.2)	0.15	0.81  (0.4−1.6)	0 .54