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Table 1 Demographic and medical data for the total sample at entry to the pain management program (n = 173)

From: Differences in pain, function and coping in Multidimensional Pain Inventory subgroups of chronic back pain: a one-group pretest-posttest study

Age (years)  
   Mean (SD) 46.9 (12.8)
   Range 21.3 - 79.6
Sex (%)  
   Female 77.8
Marital status (%)  
   Single 20.1
   Married 72.0
   Other 7.9
Education (%)  
   Grade 10-12 30.9
   High school graduate 50.9
   College graduate 14.5
   University graduate 3.7
Employment status  
   Full time 9.6
   Part time 40.1
   Unemployed 41.9
   Retired 3.6
Mental health (%)  
Depression* 54.5
Pain duration (%)  
   7 - 12 months 6.2
   13 - 24 months 12.7
   25 - 36 months 14.8
   37 - 48 months 4.9
   49 - 60 months 22.8
   >5 years 38.6
  1. SD = standard deviation. *HADS depression cut-off score: ≤9 out of 21 points.