Table 1.
Sample Characteristics by the Two Outcome Measures: Values Are Reported as Row Percent or Mean (SD)
| Total | Discharge Setting | Total | Rehospitalization | |||
|---|---|---|---|---|---|---|
| Community | Institution | No | Yes | |||
| Total | 540,908 | 74.6% | 25.4% | 541,097 | 78.4% | 21.6% |
| Age | 75.9 (10.9) | 75.3 (10.9) | 77.6 (11.0) | 75.9 (10.9) | 76.0 (10.8) | 75.6 (11.3) |
| Sex | ||||||
| Female | 317,310 | 75.2% | 24.8% | 317,418 | 80.1% | 19.9% |
| Male | 223,598 | 73.7% | 26.3% | 223,679 | 75.8% | 24.2% |
| Race/ethnicity | ||||||
| White | 445,033 | 74.4% | 25.6% | 445,198 | 78.8% | 21.2% |
| Black | 54,518 | 74.8% | 25.2% | 54,527 | 75.1% | 24.9% |
| Hispanic | 27,936 | 75.8% | 24.2% | 27,947 | 76.6% | 23.4% |
| Other | 12,744 | 76.1% | 23.9% | 12,748 | 79.7% | 20.3% |
| Social support | ||||||
| Family/friends | 358,236 | 77.0% | 23.0% | 358,349 | 77.7% | 22.3% |
| Paid/other | 5,044 | 71.0% | 29.0% | 5,045 | 76.1% | 23.9% |
| None | 177,102 | 69.8% | 30.2% | 177,177 | 79.8% | 20.2% |
| Disability | ||||||
| No disability | 421,450 | 74.1% | 25.9% | 421,605 | 79.1% | 20.9% |
| Disability | 119,458 | 76.5% | 23.5% | 119,492 | 75.7% | 24.3% |
| Prior acutes | 1.5 (0.9) | 1.5 (0.9) | 1.6 (1.0) | 1.5 (0.9) | 1.4 (0.8) | 1.8 (1.2) |
| Dialysis | ||||||
| No | 522,509 | 74.8% | 25.2% | 522,695 | 79.1% | 20.9% |
| Yes | 18,399 | 68.1% | 31.9% | 18,402 | 58.7% | 41.3% |
| Rehab impairment | ||||||
| CNS | 146,966 | 67.4% | 32.6% | 147,025 | 77.1% | 22.9% |
| SCI | 23,138 | 72.8% | 27.2% | 23,142 | 77.5% | 22.5% |
| Neuro | 48,116 | 75.6% | 24.4% | 48,126 | 72.8% | 27.2% |
| Musculoskeletal | 203,752 | 78.5% | 21.5% | 203,807 | 84.9% | 15.1% |
| Endurance | 41,699 | 79.5% | 20.5% | 41,709 | 69.8% | 30.2% |
| Other | 77,237 | 75.3% | 24.7% | 77,288 | 71.9% | 28.1% |
| Elixhauser sum | 4.5 (2.1) | 4.4 (2.1) | 4.8 (2.1) | 4.5 (2.1) | 4.4 (2.0) | 5.1 (2.2) |
| Admit FIM | 60.7 (16.6) | 64.1 (15.4) | 50.8 (16.2) | 60.7 (16.6) | 61.9 (16.3) | 56.5 (16.9) |
| Facility volume | 1,227 (945) | 1,214 (932) | 1,264 (982) | 1,226 (945) | 1,218 (946) | 1,259 (941) |
| IRF type | ||||||
| Hospital unit | 319,764 | 75.0% | 25.0% | 319,949 | 78.9% | 21.1% |
| Freestanding | 221,144 | 73.9% | 26.1% | 221,148 | 77.6% | 22.4% |
| Continuity | ||||||
| <26% | 176,127 | 73.2% | 26.8% | 176,171 | 77.8% | 22.2% |
| 26–75% | 192,608 | 75.2% | 24.8% | 192,641 | 78.5% | 21.5% |
| >75% | 172,173 | 75.3% | 24.7% | 172,285 | 78.7% | 21.3% |
p<.001 for all bivariate comparisons.
Three variables had missing values: discharge setting (n = 189), race/ethnicity (n = 677), and social support (n = 526).
CNS, central nervous system; FIM, Functional Independence Measure; SCI, spinal cord injury.