Table 5.
Associations between proxy and formal measures of county-level white isolation and breast cancer invasiveness among white 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 Whites (IQR) | 1.03 (1.00, 1.07) | |||
| Proportion of Whites (loga) | 0.95 (0.89, 1.02) | |||
| White Isolation (IQR) | 0.96 (0.94, 0.98) | |||
| White Isolation (log) | 0.89 (0.85, 0.94) | |||
| Median Household Income (IQR) | 0.97 (0.94, 1.00) | 0.98 (0.94, 1.01) | 0.99 (0.96, 1.02) | 1.00 (0.97, 1.03) |
| Individual-level Variables | ||||
| Age (per 10 years) | 1.03 (1.01, 1.05) | 1.03 (1.01, 1.05) | 1.03 (1.01, 1.06) | 1.03 (1.01, 1.06) |
| Married/Domestic Partner | Ref. | Ref. | Ref. | Ref. |
| Single/Never Married | 1.10 (1.01, 1.20) | 1.10 (1.01, 1.20) | 1.10 (1.01, 1.20) | 1.10 (1.01, 1.20) |
| Divorced/Separated | 1.26 (1.15, 1.37) | 1.26 (1.15, 1.37) | 1.26 (1.15, 1.37) | 1.26 (1.16, 1.37) |
| Widowed/Widower | 1.29 (1.19, 1.40) | 1.29 (1.19, 1.40) | 1.29 (1.19, 1.40) | 1.29 (1.19, 1.40) |
| Unknown | 0.94 (0.86, 1.02) | 0.94 (0.86, 1.02) | 0.93 (0.85, 1.01) | 0.93 (0.85, 1.00) |
| Private Insurance | Ref. | Ref. | Ref. | Ref. |
| Public Insurance | 1.21 (1.14, 1.29) | 1.21 (1.14, 1.29) | 1.21 (1.14, 1.28) | 1.21 (1.14, 1.28) |
| Not Insured/Self-Pay | 1.79 (1.35, 2.38) | 1.79 (1.35, 2.38) | 1.79 (1.35, 2.38) | 1.79 (1.35, 2.38) |
| Unknown |
1.38 (1.21, 1.57) |
1.38 (1.21, 1.57) |
1.38 (1.22, 1.58) |
1.39 (1.22, 1.58) |
| Random Effects | Variance (SD) | Variance (SD) | Variance (SD) | Variance (SD) |
| County (Intercept) | 0.0281 (0.1676) | 0.0292 (0.1708) | 0.0255 (0.1595) | 0.0216 (0.1469) |
| Year (Intercept) |
0.0006 (0.0250) |
0.0007 (0.0273) |
0.0005 (0.0220) |
0.0005 (0.0214) |
| Goodness-of-Fit Measures | ||||
| Akaike's Information Criterion | 43776.018 | 43776.962 | 43765.562 | 43761.8 |
| Bayesian Information Criterion | 43889.866 | 43890.81 | 43879.41 | 43875.648 |
| Log-Likelihood | −21875.009 | −21875.481 | −21869.781 | −21867.9 |
| Deviance | 43750.018 | 43750.962 | 43739.562 | 43735.8 |
| Residual Degrees of Freedom | 46970 | 46970 | 46970 | 46970 |
OR: odds ratio; CI: confidence interval; Ref: reference category; SD: standard deviation; IQR: interquartile range; log: a natural logarithm.
a
a natural logarithm of (1 – Proportion of Whites).