Skip to main content

Table 4 Comparison of associations of new-onset posttraumatic stress disorder based on complete case results (ignoring nonresponse) and weighted for nonresponse

From: Assessing nonresponse bias at follow-up in a large prospective cohort of relatively young and mobile military service members

  Adjusted odds ratio (95% CI) of new-onset posttraumatic stress disorder
  Army (N= 22,958) Air Force (N= 14,609) Navy and Coast Guard (N= 8,655) Marines (N= 2,077)
  Complete case analysis Weighted for nonresponse Complete case analysis Weighted for nonresponse Complete case analysis Weighted for nonresponse Complete case analysis Weighted for nonresponse
Deployment experience         
   Nondeployed 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   Deployed without combat exposures 0.87 (0.64, 1.18) 0.63 (0.44, 0.92) 0.56 (0.35, 0.89) 0.44 (0.26, 0.77) 0.60 (0.35, 1.02) 0.48 (0.25, 0.90) 1.42 (0.57, 3.51) 0.79 (0.27, 2.36)
   Deployed with combat exposures 3.59 (3.08, 4.17) 3.55 (3.03, 4.16) 3.38 (2.29, 4.98) 3.61 (2.47, 5.28) 2.48 (1.48, 4.14) 2.27 (1.39, 3.71) 2.78 (1.52, 5.07) 2.87 (1.56, 5.30)
Gender         
   Male 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   Female 1.70 (1.44, 2.00) 1.66 (1.39, 1.97) 2.00 (1.41, 2.83) 2.11 (1.48, 3.01) 1.73 (1.25, 2.38) 1.70 (1.19, 2.43) 1.92 (0.94, 3.94) 1.49 (0.65, 3.39)
Smoking         
   Never smoker 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   Past smoker 1.21 (1.03, 1.44) 1.22 (1.02, 1.46) 1.05 (0.73, 1.50) 0.85 (0.58, 1.25) 1.33 (0.94, 1.88) 1.42 (0.97, 2.07) 1.55 (0.83, 2.88) 1.68 (0.79, 3.58)
   Current smoker 1.69 (1.42, 2.01) 1.76 (1.46, 2.11) 1.40 (0.94, 2.07) 1.24 (0.82, 1.89) 1.59 (1.08, 2.34) 2.01 (1.30, 3.10) 1.84 (0.94, 3.59) 2.07 (0.97, 4.41)
Problem drinking         
   No 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
   Yes 1.47 (1.25, 1.73) 1.47 (1.23, 1.74) 1.69 (1.17, 2.43) 1.78 (1.20, 2.64) 1.69 (1.23, 2.34) 1.74 (1.23, 2.46) 1.73 (1.00, 2.99) 1.60 (0.84, 3.04)
Military rank         
   Enlisted 2.20 (1.70, 2.86) 2.31 (1.75, 3.05) 2.31 (1.24, 4.30) 2.89 (1.67, 5.00) 2.14 (1.16, 3.94) 1.99 (0.85, 1.68) 1.92 (0.52, 7.13) 1.56 (0.41, 5.93)
   Officer 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
  1. Abbreviations: CI, confidence interval
  2. Details on exclusion criteria and adjustment factors have been published elsewhere [26].