Prevalence of somatic-mental multimorbidity and its prospective association with disability among older adults in China

Haibin Li, Anxin Wang, Qi Gao, Xiaonan Wang, Yanxia Luo, Xinghua Yang, Xia Li, Wei Wang, Deqiang Zheng, Xiuhua Guo

Research output: Contribution to journalArticlepeer-review

Abstract

We aimed to identify prevalent somatic-mental multimorbidity (SMM) and examine its prospective association with disability among a nationally representative sample. A total of 6728 participants aged 60 years and older in the China Health and Retirement Longitudinal Study were included. A total of 14 somatic or mental conditions were assessed in 2013. SMM was defined as any combination of two or more conditions in which at least one condition was somatic and at least one condition was mental. Disability risk was measured using the combined Activities of Daily Living (ADL)-Instrumental Activities of Daily Living (IADL) index (range 0-11; higher index indicates higher disability) in 2013 and 2015. Overall, the prevalence of SMM was 35.7% (95% confidence interval (CI): 34.1%-37.3%) in 2013. After adjustment for sociodemographic characteristics, lifestyles and baseline ADL-IADL index, over a maximum follow-up period of 2 years, SMM was associated with a 2.61 (95% CI: 2.12-3.22)-fold increase in ADL-IADL disability risk compared with that of healthy participants. In conclusion, SMM was prevalent in older Chinese adults, and it was associated with a higher risk of prospective disability. Li et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Original languageEnglish
Pages (from-to)7218-7231
Number of pages14
JournalAging
Volume12
Issue number8
DOIs
Publication statusPublished - 30 Apr 2020
Externally publishedYes

Keywords

  • Disability
  • Mental conditions
  • Multimorbidity
  • Somatic conditions

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