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Table 4 Multivariate analysis of sociodemographic and service-related characteristics associated with recurrent Chlamydia trachomatis infection among female and male soldiers, Fort Bragg, 2005-2010

From: Chlamydia trachomatis infection rates among a cohort of mobile soldiers stationed at Fort Bragg, North Carolina, 2005–2010

  Female   Male  
  Hazard ratio 95% CI Hazard ratio 95% CI
Age (years)     
  17-20 2.39 (1.12-5.12) 1.70 (0.78-3.72)
  21-25 1.83 (0.88-3.80) 1.13 (0.59-2.16)
  26-67 1.00   1.00  
Race/ethnicity NS   
  Non-white - - 1.68 (1.06-2.65)
  White - - 1.00  
Grade    NS
  E1-E4 1.62 (0.58-4.45) - -
  E5+ 1.00   - -
Education    NS
  High school or less 3.59 (1.12-11.52) - -
  Some college or higher 1.00   - -
Marital status NS   
  Single - - 1.61 (0.88-2.94)
  Non-single - - 1.00  
History of prior PCS    NS
  0-3 1.06 (0.58-1.92) - -
  >3 1.00   - -
Breaks in duty at Ft. Bragg     
  Yes 0.32 (0.10-1.02) 0.37 (0.09-1.51)
  No 1.00   1.00  
History of prior deployments    NS  
  1-3 0.28 (0.13-0.62) - -
  None 1.00   - -
GC diagnosis at initial Ct infection NS NS
  Yes - - - -
  No - - - -
Months in service at entry     
  0 to 24 0.84 (0.51-1.39) 1.18 (0.71-1.96)
  25 to 292 1.00   1.00  
Primary occupation specialty at entry    NS
  Combat 0.59 (0.30-1.16) - -
  Other 1.00   - -
  1. Note: CI - confidence interval; NS - not significant; PCS - permanent change in station.