TABLE 2.
Multivariate Logistic Regression for Predictors of Lack of Insurance Versus Non-Medicaid Insurance
| OR | 95% CI | P | |
|---|---|---|---|
| Age | |||
| Continuous | 0.99 | 0.99–0.99 | <.001 |
| Sex | |||
| Male | 1.31 | 1.28–1.34 | <.001 |
| Female | 1 | ||
| Race | |||
| White | 1 | ||
| Black | 1.52 | 1.47–1.57 | <.001 |
| Hispanic | 3.34 | 3.23–3.45 | <.001 |
| Asian or Pacific Islander | 2.01 | 1.91–2.11 | <.001 |
| American Indian/Alaska Native | 1.43 | 1.18–1.74 | <.001 |
| Unknown | 0.99 | 0.88–1.13 | .93 |
| Marital status | |||
| Single | 3.05 | 2.97–3.12 | <.001 |
| Married | 1 | ||
| Percent of county below federal poverty level | |||
| <10% | 1 | ||
| 10–12.99% | 1.22 | 1.18–1.27 | <.001 |
| 13–16.49% | 1.95 | 1.89–2.03 | <.001 |
| ≥16.5% | 1.61 | 1.55–1.68 | <.001 |
| Residence | |||
| Urban | 1 | ||
| Rural | 1.66 | 1.61–1.72 | <.001 |
| Registries grouped by region | |||
| Northeast | 1 | ||
| South | 1.20 | 1.16–1.25 | <.001 |
| Midwest | 0.72 | 0.69–0.75 | <.001 |
| West/Hawaii | 0.40 | 0.39–0.41 | <.001 |
| Year of diagnosis | |||
| 2007 | 1 | ||
| 2008 | 0.98 | 0.95–1.01 | .16 |
| 2009 | 1.05 | 1.02–1.08 | .006 |
| 2010 | 1.09 | 1.06–1.13 | <.001 |
Abbreviations: 95% CI, 95% confidence interval; OR, odds ratio.