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Table 2 Odds ratios for full sick leave month twelve after trauma

From: Post-trauma morbidity, measured as sick leave, is substantial and influenced by factors unrelated to injury: a retrospective matched observational cohort study

  Univariate P value* Multivariable OR (95% CI) P value*
Age, years   < 0.001   < 0.001
 20–29 Ref   Ref  
 30–44 1.82 (1.42–2.33)   1.76 (1.33–2.35)  
 45–63 2.24 (1.75–2.88)   1.77 (1.32–2.38)  
Gender
 Female Ref   Ref  
 Male 1.19 (0.96–1.48) 0.109 1.08 (0.84–1.39) 0.564
History of comorbidity
 Psychiatric 2.21 (1.73–2.82) < 0.001 1.46 (1.05–2.04) 0.024
 Substance abuse 1.76 (1.38–2.25) < 0.001 0.94 (0.68–1.29) 0.696
 Somatic 1.46 (1.15–1.85) 0.002 1.05 (0.79–1.39) 0.753
Education   0.011   0.005
 High Ref   Ref  
 Medium 1.30 (1.02–1.65)   1.36 (1.03–1.79)  
 Low 1.51 (1.15–1.98)   1.70 (1.24–2.34)  
Sick leave month one before trauma, days/month   < 0.001   < 0.001
 None Ref   Ref  
 Part 6.70 (4.88–9.19)   7.72 (5.30–11.23)  
 Full 11.99 (7.59–18.94)   11.98 (7.04–20.39)  
ISS   < 0.001   0.025
 ≤ 15 Ref   Ref  
 16–24 2.78 (2.15–3.59)   0.99 (0.70–1.40)  
 25–40 7.45 (5.68–9.76)   1.67 (1.14–2.46)  
  > 40 12.91 (7.73–21.57)   1.41 (0.73–2.72)  
GCS on arrival   < 0.001   < 0.001
 14–15 Ref   Ref  
 9–13 2.56 (1.88–3.50)   1.46 (1.00–2.13)  
 3–8 6.71 (5.18–8.70)   2.40 (1.68–3.42)  
AIS > 2
 Head 3.80 (3.08–4.67) < 0.001 1.17 (0.85–1.61) 0.327
 Spine 4.39 (3.22–5.98) < 0.001 2.36 (1.60–3.48) < 0.001
SAP on arrival, mm Hg
 ≥ 90 Ref   Ref  
  < 90 3.32 (1.96–5.62) < 0.001 0.81 (0.42–1.56) 0.526
Length of stay hospital, days
 0–7 Ref < 0.001 Ref < 0.001
  > 7 6.26 (5.15–7.61)   2.68 (1.97–3.63)  
Discharge destination
 Home Ref   Ref  
 Other hospital/rehab 6.29 (5.17–7.65) < 0.001 2.18 (1.64–2.89) < 0.001
  1. OR Odds Ratio, CI Confidence Interval, ISS Injury Severity Score, GCS Glasgow Coma Scale, AIS Abbreviated Injury Scale, SAP Systolic Arterial Pressure, mm Hg Millimeters of mercury
  2. *χ2-test