Table 6.

Associations between county-level measures of white isolation and breast cancer invasiveness among black women.

	Model 1	Model 2	Model 3	Model 4
Fixed Effects	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
County-level Variables
Proportion of Blacks (IQR)	0.99 (0.96, 1.01)
Proportion of Blacks (log)		0.97 (0.90, 1.05)
Black Isolation (IQR)			1.00 (1.00, 1.00)
Black Isolation (log)				0.98 (0.95, 1.00)
Median Household Income (IQR)	0.92 (0.86, 0.98)	0.92 (0.86, 0.98)	0.92 (0.86, 0.98)	0.92 (0.86, 0.98)
Individual-level Variables
Age (per 10 years)	0.95 (0.90, 1.00)	0.95 (0.90, 1.00)	0.95 (0.90, 1.00)	0.95 (0.90, 1.00)
Married/Domestic Partner	Ref.	Ref.	Ref.	Ref.
Single/Never Married	1.31 (1.12, 1.53)	1.31 (1.12, 1.52)	1.31 (1.12, 1.53)	1.31 (1.12, 1.53)
Divorced/Separated	1.30 (1.08, 1.57)	1.30 (1.08, 1.57)	1.31 (1.08, 1.58)	1.31 (1.09, 1.58)
Widowed/Widower	1.19 (0.97, 1.46)	1.19 (0.97, 1.46)	1.19 (0.97, 1.47)	1.20 (0.97, 1.47)
Unknown	1.07 (0.87, 1.31)	1.07 (0.88, 1.32)	1.06 (0.86, 1.30)	1.05 (0.86, 1.29)
Private Insurance	Ref.	Ref.	Ref.	Ref.
Public Insurance	1.33 (1.15, 1.53)	1.33 (1.16, 1.53)	1.33 (1.15, 1.52)	1.33 (1.16, 1.53)
Not Insured/Self-Pay	2.16 (1.30, 3.59)	2.16 (1.30, 3.60)	2.15 (1.30, 3.58)	2.18 (1.31, 3.62)
Unknown	1.80 (1.27, 2.57)	1.80 (1.26, 2.57)	1.81 (1.27, 2.58)	1.81 (1.27, 2.57)
Random Effects	Variance (SD)	Variance (SD)	Variance (SD)	Variance (SD)
County (Intercept)	0.0000 (0.0000)	0.0000 (0.0000)	0.0000 (0.0000)	0.0000 (0.0000)
Year (Intercept)	0.0032 (0.0562)	0.0032 (0.0564)	0.0031 (0.0553)	0.0032 (0.0563)
Goodness-of-Fit Measures
Akaike's Information Criterion	7263.894	7265.008	7261.168	7262.411
Bayesian Information Criterion	7354.674	7355.787	7351.948	7353.191
Log-Likelihood	−3618.947	−3619.504	−3617.584	−3618.206
Deviance	7237.894	7239.008	7235.168	7236.411
Residual Degrees of Freedom	7954	7954	7954	7954

OR: odds ratio; CI: confidence interval; Ref: reference category; SD: standard deviation; IQR: interquartile range; log: a natural logarithm.