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Table 1 Demographic characteristics of the population (N = 129)

From: Toward characterization and definition of fibromyalgia severity

Characteristic Value
Age, y  
   Mean ± SD 49.4 ± 11.0
   Median 50.0
   Range 23.0-78.0
   Missing data, n (%) 3 (2.3)
Gender, n (%)  
   Female 115 (89.1)
   Male 11 (8.5)
   Missing data 3 (2.3)
Employment status, n (%)  
   Employed full time 38 (29.5)
   Employed part time 23 (17.8)
   Homemaker 16 (12.4)
   Retired 11 (8.5)
   Unemployed 11 (8.5)
   Other 25 (19.4)
   Missing data 5 (3.9)
Duration of fibromyalgia, n (%)  
   3 months-1 year 20 (15.6)
   2-5 years 44 (34.1)
   6-10 years 28 (21.7)
   > 10 years 33 (25.6)
   Missing data 4 (3.1)
Current pain severitya  
   Mean ± SD 6.40 ± 2.19
   Range 0.0 - 10.0
   Median 7.0
   Missing data, n (%) 13 (10.1)
  1. a 0-10 numerical rating scale from the short form Modified Brief Pain Inventory