• Ernest Volinn, Daniel Lai, Steven McKinney, and John D Loeser.
• Department of Neurological Surgery, University of Washington, Seattle, WA 98195 U.S.A. Multidisciplinary Pain Center, University of Washington, Seattle, WA 98195 U.S.A. Department of Biostatistics, University of Washington, Seattle, WA 98195 U.S.A.
• Pain. 1988 Apr 1; 33 (1): 333933-39.

AbstractBack pain is a common condition and in most cases is not disabling. We have investigated disabling back pain that leads to health care utilization, time lost from work, and high costs. Disabling back pain remains of obscure origin because the focus in studying it has been too narrow. Our indicator of disability is the industrial insurance claim rate for back sprain by county (N = 39) in the State of Washington. After controlling for the size of the labor force and the proportion of workers in occupations that are particularly at risk of back sprain, we determined the effect of 3 socioeconomic factors on the claim rate: the unemployment rate, percentage receiving food stamps, and per capita income. For 2 of the 3 years studied, socioeconomic factors accounted for about one-third of the variance in the claim rate. Even though claimants of industrial insurance are employed, the unemployment rate was significantly related to the claim rate in the 3 years studied. Our interpretation is that disability is a symptom of distress. Where there is a rise in job insecurity and an attendant rise in economic insecurity, there is a greater likelihood that back pain will become disabling.

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