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Table 4 Univariate logistic regression for the dependent variable work status after 1 year with Beta, Odds ratio (OR), CI for OR, and p-values

From: Predictors of Shoulder Pain and Disability Index (SPADI) and work status after 1 year in patients with subacromial shoulder pain

Work status
  Beta
(for OR)
OR     (95% CI) p-value
n = 104    
Socio-demographic variables:    
   Gender (1,2) 0.35 1.4 (0.55 to 3.7) p = 0.47
   Age -0.001 1.0 (0.95 to 1.1) p = 0.96
   Education (0,1)      1.4 4.1(1.4 to 12.2) p = 0.013
   Work status (0,1) 1.25 3.5 (1.3 to 9.3) p = 0.013
Variables from self-reported questionnaire:    
   Duration of pain (0-2)    
   3-6 monthsb    
   6-12 months -0.76 0.47 (0.13 to 1.7) p = 0.24
   > 12 months      -0.6 0.54(0.16 to 1.8) p = 0.32
   Medication (0,1) -0.32 0.72 (0.3 to 1.9) p = 0.5
   Distress (HSCL 25) -0.45 0.64 (0.24 to 1.7) p = 0.38
   Health stat (EQ-VAS) 0.056 1.06 (1.03 to 1.1) p < 0.001
   Pain at rest      -0.17 0.84(0.66 to 1.07) p = 0.15
   Self-eff for pain(sum)      -0.4 0.67(0.5 to 1.0) p = 0.052
   Baseline SPADI      -0.028 0.97(0.95 to 1.0) p = 0.025
   Prev should pain(0,1) -0.9 0.42 (0.15 to 1.2) p = 0.1
   Neck pain (0,1) -0.62 0.54 (0.21 to 1.4) p = 0.2
   Prev physiot(0,1) 0.86 2.3 (0.9 to 6.2) p = 0.082
Active range of motions affected side (impairments):    
   Flexion 0.017 1.02 (1.0 to 1.04) p = 0.067
   Hand-Behind -Back 0.15 1.2 (0.99 to 1.4) p = 0.064
  1. b Reference category
  2. Gender (1: male, 2: female)
  3. Education (0: ≤ 12 years in school, 1: College/University)
  4. Work status (0: not working, 1: working or partly working, retired not included)
  5. Medication (0: no regular use of medicine, 1: daily or weekly use of medicine)
  6. Self-efficacy for pain: a sumscore of 4 questions (mean)
  7. Previous shoulder pain (0: no,1:yes)
  8. SPADI: 11 missing, Work status: 13 missing