Association between pain and sarcopenia among adults aged ≥65 years from low- and middle-income countries

Lee Smith, Guillermo F López Sánchez, Nicola Veronese, Pinar Soysal, Karel Kostev, Louis Jacob, Masoud Rahmati, Agnieszka Kujawska, Mark A Tully, Laurie Butler, Jae Il Shin, Ai Koyanagi

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Abstract

Background Pain may increase the risk for sarcopenia, but existing literature is only from high-income countries, while the mediators of this association are largely unknown. Thus, we aimed to investigate the association between pain and sarcopenia using nationally representative samples of older adults from 6 low- and middle-income countries (LMICs), and to identify potential mediators. Methods Cross-sectional data from the WHO Study on global AGEing and adult health (SAGE) were analyzed. Sarcopenia was defined as having low skeletal muscle mass and weak handgrip strength, while the presence and severity of pain in the last 30 days were self-reported. Multivariable logistic regression and mediation analyses were performed. The control variables included age, sex, education, wealth, and chronic conditions, while affect, sleep/energy, disability, social participation, sedentary behavior, and mobility were considered potential mediators. Results Data on 14,585 adults aged ≥65 years were analyzed (mean [SD] age 72.6 [11.5] years; 55.0% females). Compared to no pain, mild, moderate, severe, and extreme pain were associated with 1.42 (95% confidence interval [CI] = 1.05–1.94), 1.43 (95%CI = 1.02–2.00), 1.92 (95%CI = 1.09–3.37), and 2.88 (95%CI = 1.10–7.54) times higher odds for sarcopenia, respectively. Disability (mediated percentage 18.0%), sedentary behavior (12.9%), and low mobility (56.1%) were significant mediators in the association between increasing levels of pain and sarcopenia. Conclusions Higher levels of pain were associated with higher odds for sarcopenia among adults aged ≥65 years in 6 LMICs. Disability, sedentary behavior, and mobility problems were identified as potential mediators. Targeting these factors in people with pain may decrease the future risk of sarcopenia onset, pending future longitudinal research.
Original languageEnglish
Pages (from-to)1020-1027
Number of pages8
JournalJournals of Gerontology, Series A
Volume78
Issue number6
Early online date5 Jan 2023
DOIs
Publication statusPublished online - 5 Jan 2023

Bibliographical note

Publisher Copyright:
© The Author(s) 2023. Published by Oxford University Press on behalf of The Gerontological Society of America. 
All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

Keywords

  • Pain
  • Sarcopenia
  • Low and middle-income countries
  • older
  • Disability
  • Low- and middle-income countries
  • Older adults
  • Aging
  • Geriatrics and Gerontology

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