Socioeconomic Status and the Experience of Pain: An Example from Knees

David Cutler, Ellen Meara and Susan Stewart

No 27974, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Reports of pain differ markedly across socioeconomic groups and are correlated with outcomes such as functional limitations and disability insurance receipt. This paper examines the differential experience of pain by education. We focus on knee pain, the most common musculoskeletal complaint. Comparing clinical interpretation of knee x-rays of people with and without pain, there are few differences in presence or clinical severity of arthritis across education groups. In contrast, less educated people report more pain for any given objective measure of arthritis. After confirming that reported pain maps to objective measures like walking speed and range of motion, we test four theories for differential experience of pain: differences in obesity, physically demanding occupations, psychological factors, and medical treatment differences. We find that physical demands on the job and obesity each explain about one-third of the education gradient in knee pain. There is an interaction between the two; physical requirements on the job are associated with knee pain primarily in those who are obese. In contrast, psychological traits and access to medical care explain little of the difference in reported pain by education level. These findings imply that educational gradients in pain are likely to persist or even widen as the need for physically demanding occupations—like home health aides and personal service workers—grows in importance with the aging population, and the working population continues to be obese.

JEL-codes: I1 J21 (search for similar items in EconPapers)
Date: 2020-10
New Economics Papers: this item is included in nep-hea, nep-ias and nep-lma
Note: AG EH LS
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Citations: View citations in EconPapers (5)

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