Dementia May Be Cause Of Nearly Three times More Deaths In U.S

Dementia May Be An Underlying Cause Of Nearly Three Times More Deaths In The U.S. Than Official Records Show,

Dementia May Be Cause Of Nearly Three times More Deaths In U.S

According to a new Boston University School of Public Health (BUSPH) study.

Published in the journal JAMA Neurology, the study estimates that 13.6% of deaths are attributable to dementia, 2.7 times more than the 5.0% of death certificates that indicate dementia as an underlying cause of death. Understanding what people die of is essential for priority setting and resource allocation,” says study lead author Dr. Andrew Stokes, assistant professor of global health at BUSPH.

“In the case of dementia, there are numerous challenges to obtaining accurate death counts, including stigma and lack of routine testing for dementia in primary care,” he says. “Our results indicate that the mortality burden of dementia may be greater than recognized, highlighting the importance of expanding dementia prevention and care.”

The researchers found that the underestimation varies greatly by race, with 7.1 times more Black older adults, 4.1 times more Hispanic older adults, and 2.3 times more white older adults dying from dementias than government records indicate. Dementias related deaths were also underreported more for men than women, and more for individuals without a high school education. Previous research has shown that dementias is disproportionately common among older adults who are Black, male, and/or have less education.

“In addition to underestimating dementia deaths, official tallies also appear to underestimate racial and ethnic disparities associated with dementia mortality. Our estimates indicate an urgent need to realign resources to address the disproportionate burden of dementia in Black and Hispanic communities,” Stokes says.

The researchers used data from a nationally-representative cohort of 7,342 older adults in the Health and Retirement Study (HRS), which gathers data from individuals starting when they move into nursing homes. For the current study, the researchers used data from older adults who entered the cohort in 2000 and followed them up to 2009, analyzing the association between dementias and death when adjusting for other variables including age, sex, race/ethnicity, education level, region of the U.S., and medical diagnoses.

“These findings indicate that dementias represents a much more important factor in U.S. mortality than previously indicated by routine death records,” says study senior author Dr. Eileen Crimmins, professor and AARP Chair in Gerontology at the University of Southern California Leonard Davis School of Gerontology and a co-investigator on the Health and Retirement Study.

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