Table 3.
Association of Mental Disorder Diagnosis Category and Demographic and Military Characteristics With Adverse Occupational Outcome (i.e., Career-Limiting Medical Condition) in the Study Cohort of CAF Personnel Who Deployed in Support of the Afghanistan Mission During 2001 to 2008.
| Characteristic | Unadjusted HR | 95% CI | Adjusted HR from selected model | 95% CI | |
|---|---|---|---|---|---|
| Mental disorder diagnosis | |||||
| ARMD | 4.81 | 3.77 to 6.13 | 4.89 | 3.85 to 6.23 | |
| Othera | 2.47 | 1.64 to 3.72 | 2.31 | 1.48 to 3.60 | |
| None identified | 1.00 | Referent | 1.00 | Referent | |
| Sex | |||||
| Male | 1.00 | Referent | 1.00 | Referent | |
| Female | 1.59 | 1.14 to 2.22 | 1.46 | 1.04 to 2.07 | |
| Age | |||||
| <30 | 1.00 | Referent | 1.00 | Referent | |
| 30–39 | 1.39 | 1.05 to 1.85 | 1.50 | 1.11 to 2.04 | |
| ≥40 | 2.21 | 1.61 to 3.04 | 2.92 | 1.97 to 4.34 | |
| Component | |||||
| Regular Forces | 1.00 | Referent | 1.00 | Referent | |
| Reserve Forces | 0.62 | 0.35 to 1.12 | 0.63 | 0.36 to 1.10 | |
| Service | |||||
| Army | 1.00 | Referent | — | — | |
| Navy | 0.85 | 0.59 to 1.23 | — | — | |
| Air Force | 0.84 | 0.59 to 1.19 | — | — | |
| Rank | |||||
| Officer | 1.00 | Referent | 1.00 | Referent | |
| Senior NCM | 1.89 | 1.16 to 3.08 | 1.49 | 0.92 to 2.41 | |
| Junior NCM | 1.56 | 0.99 to 2.44 | 1.95 | 1.19 to 3.21 | |
| Deployment location | |||||
| Kandahar Province | 1.00 | Referent | 1.00 | Referent | |
| Kabul or Elsewhere in Afghanistan | 1.26 | 0.94 to 1.69 | 1.12 | 0.83 to 1.53 | |
| UAE or Elsewhere in Middle East | 0.78 | 0.44 to 1.39 | 0.80 | 0.44 to 1.43 | |
| Arabian Gulf | 0.83 | 0.53 to 1.30 | 0.67 | 0.42 to 1.10 | |
| Multiple | 0.76 | 0.57 to 1.01 | 1.36 | 0.81 to 2.28 | |
| Unspecified | 1.44 | 0.99 to 2.10 | 1.16 | 0.77 to 1.74 | |
| Number of Afghanistan deployments | |||||
| 1 | 1.00 | Referent | 1.00 | Referent | |
| 2 | 0.65 | 0.49 to 0.87 | 0.56 | 0.33 to 0.96 | |
| ≥3 | 0.39 | 0.22 to 0.68 | 0.35 | 0.18 to 0.69 | |
| Duration of first Afghanistan deployment | |||||
| <180 days | 1.00 | Referent | — | — | |
| ≥180 days | 0.91 | 0.71 to 1.16 | — | — | |
| Total duration of Afghanistan deployments | |||||
| <180 days | 1.00 | Referent | 1.00 | Referent | |
| ≥180 days | 0.70 | 0.55 to 0.89 | 0.73 | 0.56 to 0.95 | |
Abbreviations: ARMD, Afghanistan service-related mental disorders; CAF, Canadian Armed Forces; CI, confidence interval; HR, hazard ratio; NCM, noncommissioned members; UAE, United Arab Emirates.
a The “other” mental disorder diagnosis grouping includes individuals with mental disorder diagnoses related to CAF operations other than the mission in Afghanistan and individuals who had non–deployment-related mental disorder diagnoses.