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Table 1 Baseline characteristics of the patients sick-listed due to chronic low back pain (N = 37)

From: An integrated care program to prevent work disability due to chronic low back pain: a process evaluation within a randomized controlled trial

Patient characteristics  
Age (mean ± sd years) 46.3 ± 7.7
Male (%) 59.4
Sick-leave duration at randomization (mean ± sd days) 136.0 ± 114.0
Low back pain-related characteristics  
Diagnosis by medical specialist (%)  
   Lumbar disc displacement without myelopathy 52.5
   Lumbago 10.0
   Sciatica 10.0
   Back pain with radiation, unspecified 10.0
   Lumbosacral spondylosis without myelopathy 7.5
   Spinal stenosis, lumbar region 7.5
   Spondylosis of unspecified site without myelopathy 2.5
Pain intensity (1-10 score) (mean ± sd) 6.0 ± 2.3
Functional disability (0-24 score) (mean ± sd) 15.3 ± 4.8
Referred from neurology (%) 79.0
Occupation-related characteristics  
Type of work (%)  
   Physically demanding work 61.5
   Mentally demanding work 38.5
Work sector (%)  
   Education 5.4
   Construction industry 18.9
   Transport and communications 16.3
   Health care and public welfare 21.6
   Business and financial services 29.7
   Government, public safety and security 8.1
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