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Table 1 Characteristics of the study population

From: Depression in ankylosing spondylitis and the role of disease-related and contextual factors: a cross-sectional study

Variable Total (n = 245)*
Age, years 51.2 (12.3)
Male gender, n (%) 153 (62.4)
High education, n (%) 80 (32.7)
Currently employed, n (%) 139 (56.7)
High income, n (%)‡ 95 (38.8)
SRPQ (satisfaction, 1–5) 3.2 (0.8)
Mastery (7–28) 20.7 (3.9)
Comorbidity (SCQ) 3.1 (4.3)
 History of depression, n (%) 9 (3.7)
Disease duration, years 23.6 (13.3)
History of any EAM, n (%) 78 (31.8)
 History of psoriasis, n (%) 20 (8.2)
 History of IBD, n (%) 33 (13.5)
 History of uveitis, n (%) 44 (18.0)
NSAID use, n (%) 134 (54.7)
Biological use, n (%) 125 (51.0)
BASDAI (0–10) 4.4 (2.3)
BASFI (0–10) 4.2 (2.6)
Patient global (0–10) 4.8 (2.7)
SF36-PCS (0–100) 38.8 (10.8)
SF36-MCS (0–100) 49.2 (12.8)
HADS-depression (0–21) 4.1 (3.7)
  1. Values are expressed as mean (SD) unless otherwise stated
  2. BASDAI Bath Ankylosing Spondylitis Disease Activity Index, BASFI Bath Ankylosing Spondylitis Functional Index, EAM extra-articular manifestation, HADS Hospital Anxiety and Depression Scale, IBD inflammatory bowel disease, NSAID nonsteroidal anti-inflammatory drug, SCQ Self-Administered Comorbidity Questionnaire, SF36-PCS Short-Form 36 Physical Component Summary, SF36-MCS Short-Form 36 Mental Component Summary, SRPQ Social Role Participation Questionnaire
  3. *One out of 246 patients did not complete the HADS questionnaire and is therefore excluded
  4. †Higher education/university
  5. ‡Annual income > €40,000