Fatigue-Related Disability in Rheumatoid Arthritis and Ankyl
A Study was conducted investigate how daily fluctuations in psychological variables correspond with changes in fatigue-related disability in the daily lives of people with inflammatory arthritis, and to identify factors to target in psychological interventions and routine clinical practice.

A cohort of 143 patients with rheumatoid arthritis (n = 97) or ankylosing spondylitis (n = 46) participated in a 10-day online diary study. Each evening participants completed a diary questionnaire assessing their fatigue, pain, fatigue-related disability, and 4 components of psychological flexibility (valued activity, mindfulness, cognitive fusion, and fatigue avoidance).

--On days when participants were more engaged in valued activities or more mindful, they reported less disability due to fatigue, even when controlling for levels of fatigue and pain that day.

--The daily psychological flexibility variables explained a total of 15.6% of the variance in daily fatigue-related disability.

Conclusively, Psychological flexibility variables are directly associated with fatigue-related disability in the daily lives of inflammatory arthritis patients. Further research is needed to investigate whether interventions that target psychological flexibility are effective at reducing fatigue-related disability.

Source: https://onlinelibrary.wiley.com/doi/10.1002/acr.24224?af=R