Exploring the relationship between disease-related pain and cortisol levels in women with osteoarthritis

L. C. Carlesso, J. A. Sturgeon, A. J. Zautra

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objectives To determine if (1) Osteoarthritis (OA)-related pain is associated with the diurnal cortisol pattern and cortisol levels; (2) the diurnal pattern of cortisol varies with severity of OA pain and (3) the association between OA pain and cortisol is mediated by daily experience variables (DEV). Design In a community-based study of changes in regional and widespread pain among women with OA, participants (n = 31) completed daily diaries and collected three saliva samples daily for 7 days. Severity of OA-related pain was assessed by the validated Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain subscale. Multilevel regression analyses estimated associations between OA pain and diurnal cortisol levels and slopes, controlling for body mass index (BMI), medication use, time and day. Mediation analyses examined DEV as potential mediators of the association between OA pain and cortisol. Results The mean age was 57 years and average BMI 31 kg/m2. Mean WOMAC pain subscale score was 8.8. Women with higher WOMAC pain scores had higher cortisol throughout the day. The estimated association of WOMAC with cortisol [β 0.083(0.02, 0.15) P = 0.009] represents a ∼9% increase in cortisol for every unit increase in WOMAC pain score. Women with WOMAC pain scores ≥9 had higher cortisol levels than those with scores <9. Examination of DEV revealed no significant mediated associations between these relationships at the daily level. Conclusion In women with OA, disease-related pain is positively associated with cortisol production, particularly with greater pain severity. Future studies should explore biologic mediating variables between OA pain and cortisol.

Original languageEnglish (US)
Pages (from-to)2048-2054
Number of pages7
JournalOsteoarthritis and Cartilage
Volume24
Issue number12
DOIs
StatePublished - Dec 1 2016

Fingerprint

Cortisol
Osteoarthritis
Hydrocortisone
Pain
Body Mass Index
Multilevel Analysis
Ontario

Keywords

  • Cortisol
  • Female
  • Osteoarthritis
  • Pain

ASJC Scopus subject areas

  • Rheumatology
  • Orthopedics and Sports Medicine
  • Biomedical Engineering

Cite this

Exploring the relationship between disease-related pain and cortisol levels in women with osteoarthritis. / Carlesso, L. C.; Sturgeon, J. A.; Zautra, A. J.

In: Osteoarthritis and Cartilage, Vol. 24, No. 12, 01.12.2016, p. 2048-2054.

Research output: Contribution to journalArticle

Carlesso, L. C. ; Sturgeon, J. A. ; Zautra, A. J. / Exploring the relationship between disease-related pain and cortisol levels in women with osteoarthritis. In: Osteoarthritis and Cartilage. 2016 ; Vol. 24, No. 12. pp. 2048-2054.
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