Longitudinal associations between depressive symptoms and clinical factors in ankylosing spondylitis patients: analysis from an observational cohort

Mark C. Hwang, Min Jae Lee, Lianne S. Gensler, Michael M. Ward, Matthew A. Brown, Seth Eisen, Thomas J. Learch, Amirali Tahanan, Mohammad H. Rahbar, Mariko L. Ishimori, Michael H. Weisman, John D. Reveille

Research output: Contribution to journalArticle

Abstract

Objectives: Although cross-sectional studies have shown that ankylosing spondylitis-specific factors correlate with depressive symptom severity, the association of these factors over time is unresolved. We examined the demographic and clinical factors associated with longitudinal depressive symptom severity in AS patients. Methods: We analyzed sociodemographic, clinical, behavioral and medication data from 991 patients from the Prospective Study of Outcomes in Ankylosing spondylitis cohort, and measured depression severity with the Center for Epidemiological Studies Depression (CES-D) Scale administered at approximately 6-month visit intervals. Multivariable longitudinal negative binomial regression models were conducted using generalized estimating equation modeling to assess the demographic, clinical, and medication-related factors associated with depression severity by CES-D scores over time. Results: The median baseline CES-D score (possible range 0–60) was 10.0 (interquartile range = 5, 17). In longitudinal multivariable analyses, higher CES-D scores were associated with longitudinal smoking, greater functional impairment, greater disease activity, self-reported depression, and poor global health scores. Marital status (e.g., being married) was associated with lower CES-D. Adjusted mean CES-D scores in our model decreased over time, with a significant interaction between time and gender observed. Conclusion: This study identified longitudinal clinical factors such as greater disease activity, greater functional impairment, and poor global health to be associated with longitudinal depression severity. These factors are potentially modifiable and may help manage depressive symptoms in AS.

Original languageEnglish (US)
Pages (from-to)1053-1061
Number of pages9
JournalRheumatology International
Volume40
Issue number7
DOIs
StatePublished - Jul 1 2020
Externally publishedYes

Keywords

  • Ankylosing spondylitis
  • Comorbidities
  • Depression
  • Pharmacologic therapy

ASJC Scopus subject areas

  • Rheumatology
  • Immunology and Allergy
  • Immunology

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    Hwang, M. C., Lee, M. J., Gensler, L. S., Ward, M. M., Brown, M. A., Eisen, S., Learch, T. J., Tahanan, A., Rahbar, M. H., Ishimori, M. L., Weisman, M. H., & Reveille, J. D. (2020). Longitudinal associations between depressive symptoms and clinical factors in ankylosing spondylitis patients: analysis from an observational cohort. Rheumatology International, 40(7), 1053-1061. https://doi.org/10.1007/s00296-020-04544-1