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Table 2 Demographic characteristics of US military service members diagnosed with Reiter's disease and postdysenteric arthritis between 1999 and 2007 and their matched controls

From: The epidemiology of infectious gastroenteritis related reactive arthritis in U.S. military personnel: a case-control study

Category Subcategory Reiter's Disease
Casesa
Reiter's Disease
Controls
Postdysenteric Arthritis
Casesa
Postdysenteric Arthritis
Controls
N   482 1,928 32 128
Age (mean ± SD)   30.9 ± 8.1 30.9 ± 8.1 32.1 ± 8.61 32.1 ± 8.61
Sex (n; %) Male 436 (90.5) 1,744 (90.5) 24 (75.0) 96 (75.0)
  Female 46 (9.5) 184 (9.5) 8 (25.0) 32 (25.0)
Race (n; %) Asian 14 (2.9) 106 (5.5) 1 (3.1) 7 (5.4)
  Black 57 (11.8) 340 (17.6) 5 (15.6) 26 (20.3)
  Hispanic 34 (7.1) 187 (9.7) 2 (6.3) 16 (12.5)
  Indian 6 (1.2) 16 (0.8) 0 (0.0) 1 (0.8)
  White 356 (73.9) 1,235 (64.1) 23 (71.9) 71 (55.5)
  Other/Unknown 15 (3.1) 44 (2.3) 1 (3.1) 7 (5.5)
Marital Status (n; %) Single 171 (35.5) 713 (37.0) 10 (31.3) 55 (43.0)
  Married 280 (58.1) 1,141 (59.1) 20 (62.5) 68 (43.0)
  Other/Unknown 31 (6.4) 74 (3.8) 2 (6.3) 5 (3.4)
Service Branch (n; %) Air Force 142 (29.5) 459 (23.8) 14 (43.8) 37 (28.9)
  Army 156 (32.4) 729 (37.8) 11 (34.4) 54 (42.2)
  Marine 59 (12.2) 241 (12.5) 3 (9.4) 14 (10.9)
  Navy 125 (25.9) 499 (25.9) 4 (12.5) 23 (18.0)
Rank (n; %) Enlisted 389 (80.7) 1,554 (80.6) 24 (75.0) 94 (73.4)
  Warrant 9 (1.9) 21 (1.1) 0 (0.0) 3 (2.3)
  Officer 84 (17.4) 353 (18.3) 8 (25.0) 31 (24.2)
Education level (n; %) High School or equivalent 310 (63.9) 1,240 (64.3) 15 (46.8) 77 (60.2)
  Some college 63 (13.1) 218 (11.3) 7 (21.9) 11 (8.6)
  Bachelors 57 (11.8) 265 (13.7) 7 (21.9) 20 (15.6)
  Post grad 33 (6.8) 152 (7.9) 3 (9.4) 14 (10.9)
  Unknown 19 (3.9) 53 (2.7) 0 (0.0) 6 (4.7)
High Risk Deployment b 6 months 36 (7.5) 74 (3.8) 3 (9.4) 4 (3.1)
(n; %) 5 months 31 (6.4) 59 (3.1) 1 (3.1) 4 (3.1)
  4 months 22 (4.6) 49 (2.5) 1 (3.1) 2 (1.6)
  3 months 15 (3.1) 37 (1.9) 1 (3.1) 1 (1.6)
Documented Infectious 6 months 17 (3.5) 15 (0.8) 1 (3.1) 2 (1.6)
Gastroenteritis (n; %) 5 months 15 (3.1) 11 (0.6) 1 (3.1) 2 (1.6)
  4 months 14 (2.9) 10 (0.5) 1 (3.1) 0 (0.0)
  3 months 13 (2.7) 9 (0.5) 1 (3.1) 0 (0.0)
  1. Backround active duty population rates: 85% male; 69%white/19%black/12%other; 35%Army/26%AirForce/26%Navy/13%Marine
  2. a Eight cases overlap case definitions for both Reiter's disease and postdysenteric arthritis
  3. b Deployment to a region at high risk for travelers' diarrhea (Iraq, Afghanistan, Persian Gulf or Southwest Asia) within the indicated number of months prior to ReA diagnosis (cases) or censoring (controls)