Optimism Moderates the Influence of Pain Catastrophizing on Shoulder Pain Outcome: A Longitudinal Analysis / Rogelio A. Coronado, Corey B. Simon, Trevor A. Lentz, Lauren N. Mackie, Steven Z. George
Material type:
Continuing resourceISSN: 0190-6011Subject(s): catastrophization | optimism | psychology | regression analysis | shoulder pain
In:
Journal of Orthopaedic & Sports Physical Therapy -- 2017, v. 47, 1, p. 21-30Summary: STUDY DESIGN: Secondary analysis of prospectively collected data.
BACKGROUND: An abundance of evidence has highlighted the influence of pain catastrophizing and fear avoidance on clinical outcomes. Less is known about the interaction of positive psychological resources with these painassociated distress factors.
• OBJECTIVE: To assess whether optimism moderates the influence of pain catastrophizing and fear avoidance on 3-month clinical outcomes in patients with shoulder pain.
• METHODS: Data from 63 individuals with shoulder pain (mean SD age, 38.8 14.9 years; 30 female) were examined. Demographic, psychological, and clinical characteristics were obtained at baseline. Validated measures were used to assess optimism (Life Orientation Test-Revised), pain catastrophizing (PainCatastrophizing Scale), fear avoidance (FearAvoidance Beliefs Questionnaire physical activity subscale), shoulder pain intensity (Brief Pain Inventory), and shoulder function (Pennsylvania
Shoulder Score function subscale). Shoulder pain and function were reassessed at 3 months.
Regression models assessed the influence of (1) pain catastrophizing and optimism and (2) fear avoidance and optimism. The final
multivariable models controlled for factors of age, sex, education, and baseline scores, and included 3-month pain intensity and function as separate dependent variables.
• RESULTS: Shoulder pain (mean difference, -1.6; 95% confidence interval [Cl]: -2.1, -1.2) and function (mean difference, 2.4; 95% Cl: 0.3, 4.4) improved over 3 months. In multivariable analyses, there was an interaction between pain catastrophizing and optimism (/3 = 0.19; 95% Cl: 0.02,0.35) for predicting 3-month shoulder function (F = 16.8, R2 = 0.69, P<.001), but not pain (P = .213). Further examination of the interaction with the Johnson-Neyman technique showed that higher levels of optim ism lessened
the influence of pain catastrophizing on function.
There was no evidence of significant moderation of fear-avoidance beliefs for 3-month shoulder pain (P = .090) or function (P = .092).
• CONCLUSION: Optimism decreased the negative influence of pain catastrophizing on shoulder function, but not pain intensity. Optimism did not alter the influence of fear-avoidance beliefs on these outcomes.
• LEVEL OF EVIDENCE: Prognosis, level 2b. J Orthop Sports Phys Ther 2017;47(l):21-30. Epub 5 Nov 2016. doi:10.2519/jospt.2017.7068
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Bibliografía: p. 28-30
STUDY DESIGN: Secondary analysis of prospectively collected data.
BACKGROUND: An abundance of evidence has highlighted the influence of pain catastrophizing and fear avoidance on clinical outcomes. Less is known about the interaction of positive psychological resources with these painassociated distress factors.
• OBJECTIVE: To assess whether optimism moderates the influence of pain catastrophizing and fear avoidance on 3-month clinical outcomes in patients with shoulder pain.
• METHODS: Data from 63 individuals with shoulder pain (mean SD age, 38.8 14.9 years; 30 female) were examined. Demographic, psychological, and clinical characteristics were obtained at baseline. Validated measures were used to assess optimism (Life Orientation Test-Revised), pain catastrophizing (PainCatastrophizing Scale), fear avoidance (FearAvoidance Beliefs Questionnaire physical activity subscale), shoulder pain intensity (Brief Pain Inventory), and shoulder function (Pennsylvania
Shoulder Score function subscale). Shoulder pain and function were reassessed at 3 months.
Regression models assessed the influence of (1) pain catastrophizing and optimism and (2) fear avoidance and optimism. The final
multivariable models controlled for factors of age, sex, education, and baseline scores, and included 3-month pain intensity and function as separate dependent variables.
• RESULTS: Shoulder pain (mean difference, -1.6; 95% confidence interval [Cl]: -2.1, -1.2) and function (mean difference, 2.4; 95% Cl: 0.3, 4.4) improved over 3 months. In multivariable analyses, there was an interaction between pain catastrophizing and optimism (/3 = 0.19; 95% Cl: 0.02,0.35) for predicting 3-month shoulder function (F = 16.8, R2 = 0.69, P<.001), but not pain (P = .213). Further examination of the interaction with the Johnson-Neyman technique showed that higher levels of optim ism lessened
the influence of pain catastrophizing on function.
There was no evidence of significant moderation of fear-avoidance beliefs for 3-month shoulder pain (P = .090) or function (P = .092).
• CONCLUSION: Optimism decreased the negative influence of pain catastrophizing on shoulder function, but not pain intensity. Optimism did not alter the influence of fear-avoidance beliefs on these outcomes.
• LEVEL OF EVIDENCE: Prognosis, level 2b. J Orthop Sports Phys Ther 2017;47(l):21-30. Epub 5 Nov 2016. doi:10.2519/jospt.2017.7068
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