Associations of multisite pain with healthcare utilization, sickness absence and restrictions at work.

( 2006 ) investigated location of pain, number of painful locations and chronicity of pain and found that “the number of painful locations was associated with large variation in functioning, whereas the locations themselves were less important to the variation in functioning.” In accordance with these findings, we have consistently found an increasing trend of healthcare utilization with increase in number of pain sites, which is 28.5 % among those with single-site pain, rising to 47 % among people with four or more sites with pain.

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