Relationship between handgrip strength and low-grade inflammation in older adults with depression

Kwi Young Kang, Young Eun Jung, Hwan Jang, Moon Doo Kim, Won Myong Bahk

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Objective: The relationship among physical functional decline, low-grade inflammation, and depression remains unclear. The aim of this study was to examine the association between hand grip strength (HGS) and high-sensitivity C-reactive protein (hs-CRP) in a large sample with depression. Methods: This study used data obtained from a representative Korean sample of 9,402 people who participated in the seventh Korean National Health and Nutrition Examination Survey. Physical function was assessed using a digital grip strength dynamometer. Depression was identified using a cutoff of 5 on the Patient Health Questionnaire-9 (PHQ-9), and high hs-CPR level was defined as ≥ 3.0 mg/L. Results: In older adults (≥ 60 years) with depression, 43.8% of those with high hs-CRP levels had low HGS, compared to 21.8% of those with hs-CRP levels < 3.0 mg/L (p = 0.002). Multivariate analysis revealed that, after adjustments for potentially confounding factors, high hs-CRP was independently associated with lower HGS (B = −2.25; 95% confidence interval = −4.49 to −0.02) in older adults with depression, but not in younger or middle-aged adults with depression. Conclusion: These findings suggest a significant correlation between physical functional decline and low-grade inflammation in older adults with depression.

Original languageEnglish
Pages (from-to)721-730
Number of pages10
JournalClinical Psychopharmacology and Neuroscience
Volume19
Issue number4
DOIs
StatePublished - Nov 2021

Bibliographical note

Publisher Copyright:
Copyright © 2021, Korean College of Neuropsychopharmacology

Keywords

  • C-reactive protein
  • Depression
  • Hand grip strength
  • Inflammation
  • Older adults
  • PHQ-9

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