A new University of California, Los Angeles (UCLA) study has deemed that people who are entering their 60s may have far more disabilities today than their counterparts did in previous generations.
The researchers said that the findings may be due in part to changing American demographics.
AdvertisementIn the study, researchers found that the cohort of individuals between the ages of 60 and 69 exhibited increases in several types of disabilities over time.
On the other hand, those between the ages of 70 and 79 and those aged 80 and over saw no significant increases - and in some cases exhibited fewer disabilities than their previous cohorts.
The researchers said that while the study focused on groups born prior to the post-World War II Baby Boom, the findings hold "significant and sobering implications" for health care because they suggest that people now entering their 60s could have even more disabilities, putting an added burden on an already fragile system and boosting health costs for society as a whole.
"If this is true, it's something we need to address. If this trend continues unchecked, it will put increasing pressure on our society to take care of these disabled individuals. This would just put more of a burden on the health care system to address the higher levels of these problems," said Teresa Seeman, the study's principal investigator.
The researchers used two sets of data - the National Health and Nutrition Examination Surveys (NHANES) for 1988 and 1999 - to examine how disabilities for the three groups of adults aged 60, 70, and 80 and older had changed over time.
They assessed disability trends in four areas-basic activities associated with daily living, such as walking from room to room and getting into and out of bed; instrumental activities, such as performing household chores or preparing meals; mobility, including walking one-quarter mile or climbing 10 steps without stopping for rest; and functional limitations, which include stooping, crouching or kneeling.
The study focused primarily on trends for the more recent 60 age group - those born between 1930 and 1944, just before the start of the Baby Boom, whose data was included in the 1999 NHANES.
The researchers found that between the periods 1988 and 1999, disability among those in their 60s increased between 40 and 70 percent in each area studied except functional limitations, independent of sociodemographic characteristics, health status and behaviors, and relative weight.
By contrast, the researchers found no significant changes among the group aged 70 to 79, while the 80-plus group actually saw a drop in functional limitations.
"Increases in disability in that group are concerning because it's a big group. These may be people who have longer histories of being overweight, and we may be seeing the consequences of that. We're not sure why these disabilities are going up. But if this trend continues, it could have a major impact on us, due to the resources that will have to be devoted to those people," she said.
The study will be published in the January 2010 issue of the American Journal of Public Health.
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