Table 4. Multinomial Logistic Regression Predicting the Probability of Having Medicare-Related Insurance, by Selected Characteristics: 1992, 1995-1998.
| Characteristic | 1992 (n = 9,436) |
1995 (n = 11,702) |
1996 (n = 11,791) |
1997 (n = 11,809) |
1998 (n = 12,141) |
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| Individual Private | Medicaid | Other Public | Medicare FFS Only | Individual Private | Medicaid | Other Public | Medicare FFS Only | Individual Private | Medicaid | Other Public | Medicare FFS Only | Individual Private | Medicaid | Other Public | Medicare FFS Only | Individual Private | Medicaid | Other Public | Medicare FFS Only | |
| Age | + | NS | + | NS | + | NS | NS | NS | + | + | NS | — | + | + | — | — | + | NS | — | — |
| Sex | ||||||||||||||||||||
| Male | — | NS | NS | + | — | NS | — | + | NS | NS | — | + | — | NS | — | + | — | NS | — | + |
| Race | ||||||||||||||||||||
| Black Non-Hispanic | — | + | + | + | — | + | + | + | — | + | + | + | — | + | + | + | NS | + | + | + |
| Hispanic | NS | + | + | + | NS | + | + | + | + | NS | + | + | + | NS | + | + | + | + | + | + |
| Other | NS | + | + | + | NS | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + |
| Marital Status | ||||||||||||||||||||
| Married | — | NS | — | — | — | NS | — | — | — | — | — | — | — | — | — | — | NS | — | — | — |
| Education | ||||||||||||||||||||
| High School Graduate | — | — | — | — | — | NS | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| More than High School | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Annual Income | ||||||||||||||||||||
| Less than $25,000 | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + |
| Region | ||||||||||||||||||||
| Northeast | — | NS | — | — | — | NS | — | NS | — | NS | — | — | — | NS | — | NS | NS | NS | NS | NS |
| North Central | — | — | — | — | — | — | NS | — | — | — | — | — | — | — | — | NS | NS | NS | NS | |
| South | NS | NS | — | + | NS | NS | NS | NS | — | — | — | NS | — | — | — | NS | NS | NS | NS | NS |
| Metropolitan Area | ||||||||||||||||||||
| Urban | — | NS | — | — | — | NS | — | — | — | NS | — | — | — | NS | — | — | — | NS | — | — |
| Self-Reported Health | ||||||||||||||||||||
| Excellent/Very Good | NS | — | — | NS | NS | NS | — | — | NS | — | — | — | NS | — | — | — | NS | — | — | NS |
| Good | NS | NS | — | NS | NS | NS | — | — | NS | NS | — | — | NS | NS | — | NS | NS | NS | — | — |
| Limitations on ADLs | ||||||||||||||||||||
| 1-2 | NS | NS | + | + | NS | + | + | NS | NS | NS | + | NS | NS | NS | + | NS | NS | NS | + | NS |
| 3 or More | NS | NS | + | + | NS | + | + | + | NS | NS | + | + | + | + | + | NS | NS | NS | + | NS |
NOTES: + indicates a significant positive coefficient at the 0.05 level; − indicates a significant negative coefficient at the 0.05 level. NS is not significant. FFS is Medicare fee-for service. Includes Medicare beneficiaries age 65 or over regardless of living arrangement or disability status. Refers to five cross-sectional models. Employer-sponsored coverage is the reference group in each year. Omitted categories include female; white non-Hispanic; single; less than a high school education; more than $25,000 annual income; living in the West; living in a rural area; in fair or poor health; and having no deficits in the activities of daily living (ADLs).
SOURCE: Analysis of the 1992, 1995-1998 Medicare Current Beneficiary Survey by RTI.