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Journal of Nanjing Medical University（Social Sciences）of Nanjing Medical University（Social Sciences） 2024年10月
Journal
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Mediating effects of somatic pain level and sleep duration on the

number of chronic illnesses and depressive symptoms in older adults

1 1 2 3
TONG Qian ，PAN Chenjing ，XU Fangfang ，SU Dan
1. School of Medical Economics and Management，Anhui University of Traditional Chinese Medicine，Hefei 230012；
2. Department of Pharmacy，3. Health Management Center，The First Affiliated Hospital of University of Science and Technology
of China（Anhui Provincial Hospital），Hefei 230000，China
Abstract：This study selected 6 826 older adults suffering from chronic diseases in China Healthy Aging
and Tracking（CHARLS）2020 data who were≥ 60 years old. The related data were statistically analyzed，and
found that gender，age，place of residence，marital status，alcohol consumption status，degree of daily work
and labor，the number of chronic diseases，sleep duration and the degree of somatic pain were influential
factors in the depressive symptoms of older adults with chronic diseases. The degree of somatic pain and sleep
duration had a chain⁃mediated effect and an independent⁃mediated effect on the number of multimorbidity and
depressive symptoms of older adults. It is essential to emphasize the impact of multimorbidity on depressive
symptoms and the management of somatic pain in older adults，early prevention and treatment of somatic pain，
maintenance of a good mood，appropriate increase in the number of hours of exercise and sleep，and increase
in the number of leisure and recreational activities，to reduce the depressive symptoms in older adults with
multimorbidity and to improve the quality of life of older adults in health.
Key words：chronic disease；depressive symptoms；somatic pain；sleep duration；mediating effect