Prevalence and Characteristics of Flare-ups of Chronic Nonspecific Back Pain in Primary Care: A Telephone Survey : The Clinical Journal of Pain

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Original Articles

Prevalence and Characteristics of Flare-ups of Chronic Nonspecific Back Pain in Primary Care

A Telephone Survey

Suri, Pradeep MD, MS*,†,‡,§; Saunders, Kathleen W. JD; Von Korff, Michael ScD

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The Clinical Journal oF Pain 28(7):p 573-580, September 2012. | DOI: 10.1097/AJP.0b013e31823ae173

Abstract

Objectives: 

To describe the prevalence and characteristics of flare-ups of chronic nonspecific back pain (CNSBP) among primary care patients, and to examine associations with measures of pain severity and psychosocial factors.

Methods: 

Six hundred thirty-four participants with nonspecific back pain were interviewed by telephone 2 years after an initial primary care visit for back pain. Participants experiencing flare-ups in the last 6 months reported on frequency, duration, and other characteristics of flare-ups. Using bivariate and multivariate analyses, we compared individuals with and without CNSBP flare-ups with respect to demographic characteristics, measures of pain severity, and psychosocial factors.

Results: 

Approximately 51% of the participants reported flare-ups. Physical activities, including lifting and bending, were the most common perceived triggers of flare-ups. Participants with flare-ups experienced greater levels of pain intensity, disability, opioid medication use, and psychosocial comorbidities. After adjustment for demographic factors, pain intensity, and pain frequency, participants with flare-ups were more disabled than those without [mean (95% confidence interval) disability score 4.2 (3.9-4.4) vs. 3.3 (2.9-3.6); P<0.0001] and demonstrated higher levels of passive coping [mean passive coping score 4.1(3.8-4.3) vs. 3.4 (3.1-3.7); P=0.0008].

Discussion: 

Flare-ups of CNSBP are common among primary care patients, and are independently associated with higher levels of pain intensity, disability, and passive coping. The presence of flare-ups and the perception of activity as a trigger may predispose patients with flare-ups to experience disability not explained by pain intensity alone. Further longitudinal studies are required to better characterize CNSBP flare-ups and determine their clinical implications.

Copyright © 2012 Wolters Kluwer Health, Inc. All rights reserved.

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