Table 1.
Characteristics of the study population: Adults with serious mental illness who are dually eligible for Medicaid and Medicare
| SC | MO | |
|---|---|---|
| Unique subjects | 1837 | 6012 |
| Person-months | 59,224 | 179,806 |
| Year of transition, N | ||
| 2004 | 598 | 1770 |
| 2005 | 566 | 1769 |
| 2006 | 396 | 1433 |
| 2007 | 277 | 1040 |
| Average Number of Months Observed | ||
| Medicaid-only | 9.9 | 10.4 |
| Dual Medicaid and Medicare | 22.4 | 19.5 |
| Mean Age (January 2004) | 39.5 | 41 |
| Male (%) | 36.2 | 38.9 |
| Non-White race (%) | 37.9 | 15.6 |
Authors' calculations using merged Medicare and Medicaid claims and enrollment data.