|  | Fee-for-Service Sample | Managed Care Sample |
---|
 | United States |  | Staff Model | Group Model |
---|
 | N = 32,800,745 | N= 344,733 | N= 8,920 | N= 4,258 |
---|
Female
*
| 60 | 62 | 56 | 55 |
Age (years)
â€
| Â | Â | Â | Â |
65–69
‡
| 30 | 23 | 42 | 44 |
70–74 §
| 26 | 29 | 28 | 24 |
75–79
**
| 20 | 23 | 18 | 16 |
80–84 †â€
| 13 | 15 | 8 | 9 |
85+ ‡‡
| 11 | 10 | 4 | 7 |
-
*p < 0.001 for all two-way comparisons, except Staff/Group, p= 0.28 †Chi – square for all ages = 11,128; p = 0.001 ‡ p < 0.001 for all two-way comparisons, except Staff/Group, p = 0.03 §p < 0.001 for all two-way comparisons, except FFS/Staff, p = 0.04 **p < 0.001 for all two-way comparisons, except Staff/Group, p = 0.005 ††p < 0.001 for all two-way comparisons, except Staff/Group, = 0.05 ‡‡ p < 0.001 for all two-way comparisons