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Table 1 Demographic characteristics of U.S. military service members diagnosed with Guillain-Barré Syndrome between 1999 and 2007 and their matched controls

From: The epidemiology of Guillain-Barré Syndrome in U.S. military personnel: a case-control study

  Cases Controls
N 314 1,256
Age1 28.7 (9.3) 28.6 (9.0)
Sex2   
   Female 52 (16.6) 208 (16.6)
   Male 262 (83. 4) 1048 (83.4)
Race2   
   Black 55 (17.5) 215 (17.1)
   White 210 (66.9) 794 (63.2)
   Other 49 (15.6) 247 (19. 7)
Marital status2,3   
   Married 148 (47.1) 555 (44.2)
   Single 153 (48.7) 651 (51.8)
   Other 9 (2.9) 47 (3.7)
Rank2   
   Enlisted 262 (83.4) 1069 (85.1)
   Officer 47 (15.0) 177 (14.1)
   Warrant Officer 5 (1.6) 10 (0.8)
Service type2   
   Army 93 (29.6) 466 (37.1)
   Air Force 80 (25.5) 289 (23.0)
   Marines 40 (12.7) 147 (11.7)
   Navy 101 (32.2) 354 (28.2)
Education level2,4   
   High school (or equivalent) 226 (72.0) 908 (72.3)
   Some college 27 (8.6) 95 (7.6)
   Bachelor's degree 27 (8.6) 132 (10.5)
   Master's degree 14 (4.5) 65 (5.2)
   Doctorate degree 9 (2.9) 16 (1.3)
  1. 1 Mean (standard deviation)
  2. 2 Number (percent)
  3. 3 4 cases (1.3%) and 3 controls (0.2%) missing data
  4. 4 11 cases (3.5%) and 40 controls (3.2%) missing data