08:04pm Saturday 21 September 2019

Low-Income Latino Neighborhoods May Protect Against Frailty

Published in the Journal of Aging and Health, the study suggests that older Mexican Americans who live in ethnically dense Mexican-American neighborhoods have a lower risk for increased frailty than those who live in more ethnically heterogeneous neighborhoods.

“Many times we assume that low-income neighborhoods are bereft [of basic needs],” said lead author Maria Aranda, associate professor at the USC School of Social Work and the USC Edward R. Roybal Institute on Aging. “This study points to the idea that – at least in areas with a high percentage of Mexicans and Mexican Americans – there are factors that are protective.”

Previous studies also have found that older Mexican Americans living in communities with high Mexican-American density had better self-rated health, higher cognitive functioning and lower mortality rates.

Aranda, who also holds a joint appointment at the USC Davis School of Gerontology, indicated possible explanations for the better health outcomes.

“There is a high sense of community cohesion,” she said. “People can share information and resources that are health-related.”

Mexican Americans may be benefiting from the informal exchanges of information and knowledge that are facilitated when people live in communities with others from similar cultural and socioeconomic backgrounds, Aranda explained.

The authors also speculated that the presence of more pedestrian-friendly sidewalks and accessible public transportation stops in some of these neighborhoods may promote behaviors that keep older adults more physically active and healthy.

Frailty – a geriatric condition generally characterized by unintentional muscle mass and weight loss, weakness in grip strength, feelings of exhaustion and low levels of physical activity – has been linked to an increased risk of disability, morbidity and mortality.

There remains a dearth of information about the nature of frailty among older Hispanics, who are projected to be the largest minority older population by 2050. The work by Aranda and her team attempts to close the knowledge gap about a significant public health issue facing a population growing in significance.

“We need to integrate frailty assessment in primary care and public health systems,” Aranda said.

Frailty affects 15 percent of individuals who are 65 and older. As the population in the United States continues to grow older, the number of frail adults is estimated to dramatically increase.

“We need to assess frailty over time,” Aranda said. “We need to be able to identify people at the pre-frailty status, so we can bring about change.”

This analysis is the first to draw data from the largest community-based study on frailty among Mexican Americans in the United States who are 75 and older. Other factors researchers found to decrease the risk of increased frailty included having private insurance or Medicare and having higher levels of cognitive functioning.

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