ArticleIranian journal of public health2025
Global Temporal Trends in Prevalence of Hearing Loss in Young Adults Aged 15-39 Years and Projections to 2040.
Article in Iranian journal of public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Hearing loss (HL) constitutes a significant hazard to the health and social welfare, yet there is a lack of data on its burden in young adults (YAs) aged 15-39 yr. This study aimed to delineate the global temporal trends and predict the future burden of HL in YAs. Methods: Using data from the Global Burden of Disease study 2021, we analyzed the prevalent cases and age-standardized prevalence rates (ASPR) of HL in YAs by age, sex, and Socio-demographic Index(SDI). The age-period-cohort (APC) model was used to assess trends, while the Bayesian Age-Period-Cohort (BAPC) model projected future epidemiological trajectories. Results: Globally, HL prevalent cases in YAs increased from 171.77 million (95% CI: 145.95-200.16) in 1992 to 256.16 million (95% CI: 222.49-293.87) in 2021. The ASPR rose from 7862.80 to 8474.66 per 100,000 over this period, with males consistently showing higher rates than females. APC analysis revealed age-dependent increases in hearing loss risk, adverse period effects in recent years (2012-2021), and a peak relative risk in the 1997-2006 birth cohort. The BAPC model projects 291.37 million (95% CI: 182.25-400.49) prevalent cases by 2040. Conclusion: The global burden of HL in YAs is rising, particularly since the relative risk of HL has continued to grow during the last 10 years, highlighting the need for further research and intervention.
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