Table 4

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

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


Abbreviations: CI, confidence interval

Details on exclusion criteria and adjustment factors have been published elsewhere [26].

Littman et al. BMC Medical Research Methodology 2010 10:99   doi:10.1186/1471-2288-10-99

Open Data