Table 1 Demographic characteristics of Medicare cohort, 2000–2016
Characteristics | No. | % |
|---|---|---|
Population | 74,537,533 | 100 |
Total person-years | 637,207,589 | Â |
Average years of follow-up | 8.5 | Â |
Death | 30,209,831 | 40.5 |
Female | 41,295,065 | 55.4 |
Race | ||
 White | 62,622,921 | 84.0 |
 Black | 6,638,467 | 8.9 |
 Other | 5,276,145 | 7.1 |
Age at cohort entry | ||
 65–74 | 58,425,025 | 78.4 |
 75–84 | 11,966,830 | 16.1 |
  ≥ 85 | 4,145,678 | 5.5 |
Enrollment in Medicaid | 13,788,978 | 18.5 |