Table 5. Counts of Coefficients, by Sign and t-Statistic Ranges in Regressions of Log Cost on Functional Independence Measure Items and Age Within Each Rehabilitation Impairment Category: 1999.
| Item | Negative Coefficients | Positive Coefficients | ||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| All | 1 | 2 | All | 1 | 2 | |
| Eating | 21 | 19 | 15 | 0 | 0 | 0 |
| Grooming | 9 | 5 | 1 | 12 | 7 | 2 |
| Bathing | 20 | 16 | 11 | 1 | 0 | 0 |
| Dressing Upper Body | 7 | 4 | 2 | 14 | 10 | 6 |
| Dressing Lower Body | 20 | 18 | 16 | 1 | 0 | 0 |
| Toileting | 20 | 19 | 13 | 1 | 0 | 0 |
| Bladder Management | 18 | 16 | 13 | 3 | 0 | 0 |
| Bowel Management | 9 | 5 | 3 | 12 | 5 | 2 |
| Transfer to Bed or Chair | 21 | 20 | 16 | 0 | 0 | 0 |
| Transfer to Toilet | 19 | 17 | 15 | 2 | 0 | 0 |
| Transfer to Tub or Shower | 3 | 1 | 0 | 18 | 16 | 14 |
| Locomotion | 21 | 19 | 18 | 0 | 0 | 0 |
| Stairs | 17 | 14 | 11 | 4 | 2 | 2 |
| Comprehension | 2 | 0 | 0 | 19 | 15 | 8 |
| Expression | 14 | 11 | 7 | 7 | 1 | 0 |
| Social Interaction | 12 | 7 | 3 | 9 | 3 | 2 |
| Problem Solving | 14 | 11 | 4 | 7 | 2 | 2 |
| Memory | 19 | 16 | 10 | 2 | 1 | 1 |
NOTE: Negative coefficients mean that costs are higher for patients who are less independent.