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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].