# 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

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