Pain Catastrophizing and Arthritis Self-Efficacy as Mediators of Sleep Disturbance and Osteoarthritis Symptom Severity.
Osteoarthritis
Pain
Pain Catastrophizing
Self-Efficacy
Sleep
Veterans
Journal
Pain medicine (Malden, Mass.)
ISSN: 1526-4637
Titre abrégé: Pain Med
Pays: England
ID NLM: 100894201
Informations de publication
Date de publication:
01 03 2020
01 03 2020
Historique:
pubmed:
11
9
2019
medline:
2
2
2021
entrez:
11
9
2019
Statut:
ppublish
Résumé
Sleep and pain-related experiences are consistently associated, but the pathways linking these experiences are not well understood. We evaluated whether pain catastrophizing and arthritis self-efficacy mediate the association between sleep disturbance and osteoarthritis (OA) symptom severity in patients with knee OA. We analyzed cross-sectional baseline data collected from Veterans Affairs (VA) patients enrolled in a clinical trial examining the effectiveness of a positive psychology intervention in managing pain from knee OA. Participants indicated how often in the past two weeks they were bothered by trouble falling asleep, staying asleep, or sleeping too much. We used validated scales to assess the primary outcome (OA symptom severity) and potential mediators (arthritis self-efficacy and pain catastrophizing). To test the proposed mediation model, we used parallel multiple mediation analyses with bootstrapping, controlling for sociodemographic and clinical characteristics with bivariate associations with OA symptom severity. The sample included 517 patients (Mage = 64 years, 72.9% male, 52.2% African American). On average, participants reported experiencing sleep disturbance at least several days in the past two weeks (M = 1.41, SD = 1.18) and reported moderate OA symptom severity (M = 48.22, SD = 16.36). More frequent sleep disturbance was associated with higher OA symptom severity directly (b = 3.08, P <0.001) and indirectly, through higher pain catastrophizing (b = 0.60, 95% confidence interval [CI] = 0.20 to 1.11) and lower arthritis self-efficacy (b = 0.84, 95% CI = 0.42 to 1.42). Pain catastrophizing and arthritis self-efficacy partially mediated the association between sleep disturbance and OA symptom severity. Behavioral interventions that address pain catastrophizing and/or self-efficacy may buffer the association between sleep disturbance and OA symptom severity.
Identifiants
pubmed: 31504838
pii: 5553747
doi: 10.1093/pm/pnz187
pmc: PMC8483157
doi:
Types de publication
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
501-510Subventions
Organisme : HSRD VA
ID : IK2 HX001548
Pays : United States
Organisme : NIAMS NIH HHS
ID : K23 AR067226
Pays : United States
Informations de copyright
2019 American Academy of Pain Medicine. This work is written by US Government employees and is in the public domain in the US.
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