Within-Day Variability of Fatigue and Pain Among African Americans and Non-Hispanic Whites With Osteoarthritis of the Knee

Arthritis Care & Research
Dylan M Smith, Patricia A Parmelee

Abstract

Fatigue is common among persons with osteoarthritis (OA), but little is known about racial/ethnic differences in the prevalence, correlates, or dynamics of fatigue in OA. This research therefore used experience sampling methodology (ESM) to examine fatigue and pain at global and momentary levels among African Americans and non-Hispanic whites with OA. Thirty-nine African Americans and 81 non-Hispanic whites with physician-diagnosed knee OA completed a baseline interview and an ESM protocol assessing fatigue, pain, and mood 4 times daily for 7 days. In addition to analyzing basic group differences, multilevel modeling examined within- versus between-subject patterns and correlates of variability in momentary fatigue, controlling for demographics and other potential confounders. Both racial groups experienced moderate levels of fatigue; however, there were clear individual differences in both mean fatigue level and variability across momentary assessments. Mean fatigue levels were associated with global pain and depression. Increase in fatigue over the course of the day was much stronger among non-Hispanic whites than African Americans. Momentary fatigue and pain were closely correlated. Mean fatigue predicted variability in mood...Continue Reading

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Citations

Dec 27, 2017·Regional Anesthesia and Pain Medicine·Brooke A BellAlethia Baldwin Sellers
Jul 20, 2019·Journal of Aging and Health·Dylan M SmithPatricia A Parmelee
Jul 17, 2018·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Patricia A ParmeleeDylan M Smith
May 16, 2019·The Journal of Pain : Official Journal of the American Pain Society·Daniel WhibleySusan L Murphy
May 1, 2021·Rheumatology Advances in Practice·Henrietta O FawoleSebastien F M Chastin
Jun 4, 2021·Journal of Psychosomatic Research·Madelyn R Frumkin, Thomas L Rodebaugh

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