From: Use of the integrated health interview series: trends in medical provider utilization (1972-2008)
 | Average Age of Birth Cohort | |||
---|---|---|---|---|
 | 48 Years | 58 Years | 68 Years | 78 Years |
Birth Cohort 1900-1909 | -- | -- | 75.4% | 84.2% |
Birth Cohort 1910-1919 | -- | 73.0% | 80.3% | 89.6% |
Birth Cohort 1920-1929 | 70.9% | 74.4% | 86.1% | 95.2% |
Birth Cohort 1930-1939 | 71.2% | 79.6% | 93.5% | -- |
Birth Cohort 1940-1949 | 76.4% | 88.9% | -- | -- |
Birth Cohort 1950-1959 | 83.6% | -- | -- | -- |