Table 7. Proportional Hazards Model for Duration of Expansion Eligibility Spell, by Independent Variable.
| Independent Variable | Mean | Risk Ratio |
|---|---|---|
| 26-34 Years | 0.298 (0.457) |
***0.860 |
| 35-44 Years | 0.273 (0.445) |
***0.743 |
| 45-54 Years | 0.140 (0.347) |
***0.623 |
| 55 Years or Over | 0.059 (0.236) |
***0.561 |
| White | 0.841 (0.366) |
***0.907 |
| Female | 0.481 (0.500) |
***0.896 |
| English-Speaking | 0.939 (0.240) |
***1.105 |
| Resident of Urban Area (Excluding Portland) | 0.287 (0.452) |
***0.982 |
| Resident of Rural Area | 0.361 (0.480) |
1.005 |
| Adults with Children | 0.450 (0.498) |
***0.973 |
| Prior Months of OHP Eligibility | 6.074 (10.078) |
***1.008 |
***
Significant at p <0.0001.
NOTES: N =412,068. Standard deviations are in parenthesis. OHP is Oregon Health Plan.
SOURCE: Health Economics Research, Inc. analysis of eligibility files maintained by Office of Medical Assistance Programs, 1994-1998.