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| Trend in burden of mental disorders among the elderly in China from 1990 to 2021 |
| WANG Yangfan, HU Yinhuan, LU Shaoyu, LIU Sha, FENG Xiandong, WANG Hui
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| School of Medicine and Health Management, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, China |
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Abstract Objective To investigate the trend in burden of mental disorders among the elderly in China from 1990 to 2021, so as to provide the basis for formulating prevention, control and intervention measures for mental disorders in this population. Methods Based on the data of the Global Burden of Disease 2021 (GBD 2021), the number of cases, prevalence, disability-adjusted life years (DALY) and DALY rate of mental disorders among the elderly in China were collected, and standardized prevalence and DALY rate were calculated using the world standard population. The burden of mental disorders was analyzed, and the trend in burden was analyzed using average annual percent change (AAPC). Results The standardized prevalence and standardized DALY rate of mental disorders among the elderly in China showed upward trends from 1990 to 2021 (AAPC=0.160% and 0.286%, both P<0.05). In 2021, there were 38.944 9 million cases of mental disorders among the elderly in China, the DALY was 5.389 8 million person-years, the standardized prevalence was 14 462.91/105, and the standardized DALY rate was 1 993.69/105, with the increases of 184.12%, 192.90%, 5.71% and 9.60% compared to 1990, respectively. The burden of mental disorders increased significantly among the elderly aged 60 to <65, 65 to <70, 70 to <75, and 75 to <80 years, with the increases of 5.81%, 5.92%, 6.08% and 6.03% in prevalence, and the increases of 10.16%, 10.12%, 10.31% and 9.88% in DALY rates, respectively. Depression and anxiety ranked the top two in standardized prevalence and standardized DALY rates. The standardized prevalence and standardized DALY rate of autism showed the largest increases, at 18.82% and 18.10%, respectively, while congenital intellectual disabilities exhibited the largest decreases, at 36.15% and 29.71%, respectively. The standardized prevalence and standardized DALY rate of mental disorders were higher in women than in men (both P<0.05). Compared to men, women had higher standardized prevalence and standardized DALY rates of depression, anxiety and congenital intellectual disabilities, but lower standardized prevalence and standardized DALY rates of schizophrenia, autism, attention deficit hyperactivity disorder, and other mental disorders (all P<0.05). Conclusion The burden of mental disorders among the elderly population in China showed an upward trend from 1990 to 2021, with heavier burdens observed among women, individuals aged 60 to <80 years, and those with depression and anxiety.
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Received: 16 August 2024
Revised: 06 December 2024
Published: 13 February 2025
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