Table 4. Sensitivity analysis: adjusted model illustrating OR and 95%CI for preventable lupus hospitalizations by race/ethnicitya.
| Whites | Minorities | |
| Characteristic | ||
| Health insurance | ||
| Private insurance | Ref | Ref |
| Medicare | 1.463 (1.208, 1.771)a | 1.659 (1.338, 2.058)a |
| Medicaid | 1.476 (1.179, 1.848)a | 1.668 (1.322, 2.106)a |
| Uninsured | 1.400 (.999, 1.961) | 1.316 (.900, 1.923) |
| Sex | ||
| Male | Ref | Ref |
| Female | 1.074 (.823, 1.400) | 1.424 (1.077, 1.884)a |
| Age groups, years | ||
| 0-19 y/o | Ref | Ref |
| 20-39 y/o | 1.483 (.636, 3.458) | 1.774 (1.097, 2.867)a |
| 40-64 y/o | 1.893 (.822, 4.364) | 2.250 (1.395, 3.631)a |
| Median household income, $ | ||
| ≥63k, 100th percentile | Ref | Ref |
| 0 - 38,999, 25th percentile | 1.123 (.824, 1.532) | 1.175 (.780, 1.770) |
| 39k - 47,999, 50th percentile | .992 (.730, 1.348) | 1.238 (.818, 1.875) |
| 48k - 62,999, 75th percentile | .884 (.637, 1.227) | 1.225 (.792, 1.896) |
| Residence | ||
| Urban | Ref | Ref |
| Rural | 1.079 (.851, 1.369) | 1.235 (.974, 1.564) |
| State | ||
| Florida | Ref | Ref |
| North Carolina | .894 (.720, 1.111) | .956 (.788, 1.160) |
| South Carolina | .965 (.748, 1.244) | 1.098 (.870, 1.386) |
a. Indicates significant at P<.05.