Table 1

Military and sociodemographic variables among Regular and Reserve Force members with an Afghanistan deployment and an identified mental disorder

CharacteristicRegular Force personnelReserve Force personnelWald X2 p value
Sample n=603
Weighted n=5320
Sample n=265
Weighted n=840
%95% CI%95% CI
Past-year mental health problems
 Comorbid disorders*<0.001
  MDE only20.417.3 to 23.419.516.0 to 23.1
  PTSD only12.810.3 to 15.49.87.0 to 12.6
  PD only7.95.8 to 10.07.35.1 to 9.5
  GAD only7.25.3 to 9.04.93.0 to 6.8
  Alcohol abuse only64.3 to 7.814.611.5 to 17.8
  Alcohol dependence only3.42.0 to 4.87.35.1 to 9.5
  PTSD and MDE5.74.0 to 7.44.92.7 to 7.0
  PTSD and other10.68.2 to 13.09.87.0 to 12.5
  PTSD, MDE, other12.810.3 to 15.39.87.0 to 12.5
  Mix-no PTSD13.210.7 to 15.712.29.2 to 15.2
 Individual mental health problems
  Any anxiety*†69.265.7 to 72.76055.5 to 64.5<0.001
  Any MDE‡50.847.0 to 54.545.240.7 to 49.80.080
  Any PTSD‡42.538.8 to 46.337.533.0 to 42.00.063
  Any PD‡27.524.0 to 30.922.518.8 to 26.20.055
  Any GAD*31.628.0 to 35.12218.2 to 25.7<0.001
  Any alcohol abuse disorder*10.58.2 to 12.919.515.9 to 23.2<0.001
  Any alcohol dependence*7.95.9 to 9.912.29.1 to 15.30.011
  Any AUD*18.415.5 to 21.333.329.1 to 37.6<0.001
  Any suicidal ideation19.916.9 to 23.02218.1 to 25.80.301
 No of mental health problems0.146
  157.954.2 to 61.661.957.5 to 66.3
  ≥242.138.4 to 45.838.133.7 to 42.5
 K-10 Distress Scale*0.004
  ≤927.424.1 to 30.834.129.8 to 38.4
  10–1428.925.5 to 32.42218.2 to 25.7
  15–1919.216.2 to 22.124.420.5 to 28.3
  ≥2024.421.2 to 27.719.515.9 to 23.2
 Self-rated physical health<0.001
  Excellent, very good or good72.368.9 to 75.78177.5 to 84.4
  Fair or poor27.724.3 to 31.11915.6 to 22.5
 Self-rated mental health0.002
  Excellent, very good or good43.239.5 to 47.052.447.8 to 56.9
  Fair or poor56.853.0 to 60.547.643.1 to 52.2
Military and sociodemographic characteristics
 Sex*0.007
  Male84.281.4 to 87.090.287.5 to 93.0
  Female15.813.0 to 18.69.87.0 to 12.5
 Age*<0.001
  17–243.72.1 to 5.412.29.1 to 15.3
  25–3435.231.8 to 38.646.341.9 to 50.8
  35–4441.237.6 to 44.819.516.0 to 23.0
  45–6019.917.1 to 22.62218.6 to 25.3
 Rank*<0.001
  JNCM55.655.0 to 56.358.558.0 to 59.1
  SNCM33.132.5 to 33.726.826.4 to 27.3
  Officer11.310.9 to 11.614.614.2 to 15.0
 Service*<0.001
  Navy11.38.9 to 13.62.40.9 to 3.9
  Army71.167.7 to 74.488.185.2 to 91.0
  Air17.714.8 to 20.59.57.0 to 12.1
 Marital status*<0.001
  Married/common66.563.0 to 70.151.246.8 to 55.6
  Single20.317.3 to 23.33934.7 to 43.4
  Widowed, separated or divorced13.210.6 to 15.79.86.9 to 12.6
 Education*<0.001
  <Secondary school grad6.44.5 to 8.32.41.0 to 3.9
  Secondary school grad34.731.2 to 38.32218.1 to 25.8
  Some postsecondary9.16.9 to 11.212.29.3 to 15.1
  Postsecondary grad49.846.2 to 53.563.459.1 to 67.7
 Racial background‡0.085
  White90.988.8 to 93.185.782.7 to 88.7
  Non-white5.33.6 to 7.09.56.9 to 12.1
  Multiple3.82.4 to 5.24.83.1 to 6.5
 Household income*<0.001
  <50K1.10.3 to 1.91915.6 to 22.5
  50–69K20.717.7 to 23.714.311.0 to 17.5
  70–89K24.421.3 to 27.616.713.3 to 20.1
  ≥90K53.850.1 to 57.45045.7 to 54.3
 Income difficulty0.177
  Yes12.59.9 to 15.014.611.3 to 18.0
  No87.585.0 to 90.185.482.0 to 88.7
Mental health training (in past 5 years)
 Predeployment58.354.7 to 62.063.459.0 to 67.80.112
 Postdeployment‡6662.5 to 69.570.766.6 to 74.90.040
  • *Regular and reserve force differ significantly (Wald X2 p≤0.05).

  • †Any of the following: GAD, PD or PTSD.

  • ‡Regular and Reserve Force differ with marginal significance (Wald X2 0.05<p≤0.10).

  • AUD, alcohol use disorder (either alcohol abuse disorder or alcohol dependence disorder); GAD, generalised anxiety disorder; JNCM, junior non-commissioned member; MDE, major depressive episode; PD, panic disorder; PTSD, post-traumatic stress disorder; SNCM, senior non-commissioned member.