Association of affective state with the assimilation of daily pain expectancy and pain experience

Patrick H. Finan, Carly A. Hunt, Chung Jung Mun, Sheera F. Lerman, Howard Tennen, Michael T. Smith, Jennifer A. Haythornthwaite

Research output: Contribution to journalArticlepeer-review

Abstract

Expectancies for pain and pain relief are central to experimental models of placebo analgesia and nocebo hyperalgesia and are a promising target for clinical intervention in patients with chronic pain. Affective states may play an important role in modulating the degree to which expectancies influence pain, broadening the opportunities for intervention targets. However, findings to date have been mixed and mostly limited to laboratory designs. Few studies have examined the interplay of naturally occurring affective states, pain expectancies, and pain experiences in the course of daily life with chronic pain. In this study, patients with temporomandibular disorder reported their daily pain expectancies and affective states each morning and their daily pain experience each evening, over a 2-week period. Multilevel modeling analyses revealed the association of morning pain expectancies with subsequent pain experiences was moderated by morning positive affective state (B = 0.04, SE = 0.02, t = 2.00, P = 0.046) such that the congruent assimilation of a low pain expectancy with a low pain experience was starkest when morning positive affect was higher than usual. Relatedly, higher morning positive affect predicted greater odds of experiencing a match between pain expectancies and pain experience when the expectation was for low, but not high, pain levels (odds ratio = 1.19, confidence interval: 1.01-1.41, P = 0.03). Negative affect, in contrast, did not significantly influence the assimilation of high pain expectancies with high pain experiences. These findings extend previous experimental studies by showing that the association of daily pain expectancies with pain experience varies as a function of affective state.

Original languageEnglish (US)
Pages (from-to)2254-2263
Number of pages10
JournalPain
Volume163
Issue number11
DOIs
StatePublished - Nov 1 2022

Keywords

  • Chronic pain
  • Daily diary
  • Expectancy
  • Negative affect
  • Pain
  • Positive affect
  • Temporomandibular disorder

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology
  • Anesthesiology and Pain Medicine

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