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Table 1 Demographic characteristics of the study sample (n = 5587)

From: The Iranian version of 12-item Short Form Health Survey (SF-12): factor structure, internal consistency and construct validity

   Number (%)
Age groups (year)   
  15-24 1843 (33.0)
  25-44 2253 (40.3)
  45-64 1212 (21.7)
  ≥ 65 279 (5.0)
  Mean (SD) 35.1 (15.4)
Gender   
  Male 2721 (48.7)
  Female 2866 (51.3)
Marital status   
  Single 2051 (36.7)
  Married 3342 (59.8)
  Widowed/divorced 194 (3.5)
Educational status   
  Primary 978 (17.5)
  Secondary 3430 (61.4)
  Higher 1179 (21.1)
  Mean year (SD) 10.2 (4.4)
Employment status   
  Employed 1985 (35.5)
  Housewife 1715 (30.7)
  Student 1036 (18.5)
  Unemployed 496 (8.9)
  Retired 355 (6.4)