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Table 4 Unadjusted and adjusteda odds ratios (95% confidence intervals) for exposure variables and included covariates from a conditional logistic regression model evaluating the risk of specific reactive arthritis and non-specific arthralgia/arthropathy among active duty US military personnel from 1999 to 2007

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

Model Variable All Specific ReA Nonspecific Arthralgia/Arthropathy
Univariate Prior exposure b 4.50 (2.30, 8.82) 1.80 (1.53, 2.12)
  High risk deployment c 2.12 (1.40, 3.21) 0.47 (0.42, 0.52)
  Army service 0.77 (0.63, 0.95) 1.54 (1.48, 1.59)
  Married 0.96 (0.76, 1.22) 1.22 (1.17, 1.27)
  Non-white 0.63 (0.50, 0.78) 1.11 (1.07, 1.15)
  Enlisted rank 1.04 (0.79, 1.37) 1.68 (1.60, 1.76)
Multivariate Prior exposure b 4.42 (2.24, 8.73) 1.76 (1.49, 2.07)
  High risk deployment c 2.07 (1.36, 3.15) 0.46 (0.41, 0.51)
  Army service 0.77 (0.62, 0.94) 1.54 (1.49, 1.60)
  Married 0.97 (0.76, 1.23) 1.21 (1.16, 1.27)
  Enlisted rank 1.03 (0.78, 1.36) 1.66 (1.58, 1.74)
  1. a Adjusted for all covariates retained in the final model (prior exposure, high risk deployment, Army service, married, non-white and enlisted rank)
  2. b Defined as an infectious diarrhea diagnosis six months prior to ReA diagnosis (cases) or censoring (controls)
  3. c Defined as deployment to a region at high risk for travelers' diarrhea (Iraq, Afghanistan, Persian Gulf or Southwest Asia) six months prior to ReA diagnosis (cases) or censoring (controls)