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Table 4 Results from the logistic regression analysis with odds ratios (OR) and 95% confidence interval for having (i) chronic pain vs. NCP, and (ii) CWP vs. NCP or CRP. The independent variables were all included, and thereby controlled for each other in the analyses

From: Prevalence of chronic widespread pain in a population-based cohort of patients with spondyloarthritis – a cross-sectional study

  Chronic pain (n = 773) CWP (n = 767)
OR (95% Cl) p-value OR (95% Cl) p-value
Sex
 Men 1   1  
 Women 1.91 (1.37–2.67) ≤0.001 1.70 (1.25–2.32) 0.001
Age 1.01 (1.00–1.03) 0.080 1.01 (1.0–1.03) 0.088
Diagnosis
 AS 1   1  
 USpA 1.41 (0.99–2.00) 0.055 1.11 (0.80–1.53) 0.546
Smoking
 Never 1   1  
 Ever 1.33 (0.97–1.83) 0.081 1.44 (1.07–1.95) 0.016
BMI 1.05 (1.10–1.10) 0.022 1.05 (1.01–1.09) 0.010
Disease duration 0.99 (0.97–1.01) 0.184 1.00 (0.98–1.01) 0.656
  1. AS ankylosing spondylitis, USpA undifferentiated spondyloarthritis, NCP no chronic pain, CRP chronic regional pain, CWP chronic widespread pain, BMI body mass index