Table 3.

Bivariable and multivariable (linear regression) analyses of factors associated with knowledge (significant factors in bold)

	Bivariable		Multivariable
Characteristic	Mean knowledge score (% correct)	p	Regression coefficient	p
Age		0.83	−0.13	0.97
< 50 years	58.1
>=50 years*	58.8
Race		<0.0001	11.97	0.00
White	62.0
Non−white*	46.8
Education		0.06	−2.22	0.60
High school or less	52.1
College or more*	59.6
Annual income		0.01	−4.67	0.22
< $60,000	54.2
>= $60,000*	62.0
Marital Status		0.14	−2.01	0.59
Partnered	60.0
Single/divorced/widowed*	55.3
Diagnosis
No malignancy	59.5	0.89	−2.51	0.62
DCIS	56.1	0.48	−3.11	0.44
Invasive breast cancer*	58.9
Surgical cancer treatment		0.18	−2.99	0.37
Unilateral mastectomy	56.7
Bilateral mastectomy*	60.7
Insurance		0.44	−2.33	0.70
No	54.2
Yes*	58.8
Involvement score (0–4)		0.99	−0.38	0.90
<3 points	58.8
>=3 points	58.8

^*referent group