Table 3

Parameter estimates from mixed effects regression for post-traumatic stress disorder symptom severity (PCL-C)

PCL-C
Coef.SEP value
Male1.070.800.194
Age (centred)0.030.020.158
Years of formal education (centred)0.140.130.277
Married1.971.000.050
Injury type (referent: fracture)
  • SCI

3.381.610.036
  • TBI

1.672.540.511
  • Amputation

-−1.601.980.417
  • Other injury

−1.002.020.620
Time to EQ in months−0.520.05<0.001
NHV-E−8.311.19<0.001
NHV-L−6.561.31<0.001
NHV-E*20124.721.05<0.001
NHV-L*20122.431.030.018
Barthel Index0.020.040.586
Pain severity (VAS)0.740.21<0.001
Intercept49.823.29<0.001
Random effects
  • Variance (intercept: ID)

66.56 (5.00)
  • Variance (residual)

19.72 (1.40)
  • EQ, earthquake; PCL-C, PTSD Checklist-Civilian Version; SCI, spinal cord injury; TBI, traumatic brain injury; VAS, Visual Analogue Scale.