When researchers divided participants into young-old
and old-old, with age 70 as the cutoff, they found the same pattern of cognitive differences between young-old
and old-old in the diabetes and control groups.
The results of F-tests indicated that the differences in the amount of the 1st mortgage debt were statistically significant across the three age groups: baby boomers (ages 51-54), young-old
near-retirees (ages 55-59), and old-old near-retirees (ages 60-64).
After giving each mouse a leg injury, the researchers found that among the young-old
pairs, young mice healed more slowly than did young mice that hadn't been joined and old mice showed significantly faster healing rates than old, solo mice did.
It does seem clear that a distinction needs to be made among groups of elders, particularly because the information behaviors of the young-old and the old-old may differ.
Morrell and colleagues conducted a survey to document World Wide Web use patterns in middle-aged (ages 40-59), young-old (ages 60-74), and old-old adults (ages 75-92) by asking questions of several hundred adults in southeastern Michigan.
Because of retirement practices in the United States, these studies focused only on the young-old among the elderly.
To test for statistical differences in spending by the young-old and the old-old for each of the 13 expenditure categories while controlling for the influence of selected variables, a dummy variable for age group was constructed and added to equation (1).
Average household size was slightly smaller for the old-old group than the young-old group.
A larger percentage of reference persons in the young-old age group achieved higher levels of education compared with reference persons in the old-old group.
The percentage of unmarried female-headed households was higher in the old-old group compared to the young-old group, reflecting a higher percentage of widows.
Financial planners today often define people aged 65 to 75 as the young-old," and those aged 75 and older to be the old- old.
One of every two Americans commencing their young-old years actually may be forced to leave their homes and enter a nursing-care facility.