Poorer Health Literacy Linked to Increased Mortality

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Poorer Health Literacy Linked to Increased Mortality
Poorer Health Literacy Linked to Increased Mortality

(HealthDay News) – A considerable proportion of older adults in England have medium or low health literacy, which is associated with increased mortality.

To investigate the correlation between functional health literacy and mortality among older adults, Sophie Bostock and Andrew Steptoe, D.Phil., from University College London, conducted a population-based cohort study involving 7,857 adults aged >52 years. Health literacy was classified as high, medium, or low, based on a four-item test.

The researchers found that 67.2, 20.3, and 12.5% of participants had high, medium, or low health literacy, respectively. During a mean follow-up of 5.3 years, 621 deaths occurred, including 321 (6.1%), 143 (9%), and 157 (16%) in the high, medium, and low health literacy categories, respectively. Compared with participants with high health literacy, the hazard ratio for all-cause mortality for participants with low or medium health literacy was 1.4 and 1.15, respectively, after adjusting for confounding variables. The hazard ratio for low health literacy was reduced to 1.26 following further adjustment for cognitive ability.

"This study suggests that a third of older adults in England have difficulties reading and understanding basic health-related written information. Poorer understanding is associated with higher mortality," the authors write.

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