Table 1.

Estimated Mental Disorder Diagnosis and Demographic and Military Characteristics for the Study Cohort of Canadian Armed Forces Personnel Who Deployed in Support of the Afghanistan Mission During 2001 to 2008.

Characteristic		Medical Charts Reviewed (n = 2014)
		Sample No.	Weighted %	95% CI
Mental disorder diagnosis
	ARMD	415	13.5	12.1 to 14.8
	Othera	136	5.5	4.5 to 6.6
	None identified	1463	81.0	79.4 to 82.6
Sex
	Male	1772	90.5	89.1 to 92.0
	Female	242	9.5	8.0 to 10.9
Age (years)
	<30	748	37.3	34.7 to 40.0
	30–39	803	39.4	36.7 to 42.0
	≥40	463	23.3	21.0 to 25.6
Component
	Regular Forces	1870	91.2	89.7 to 92.7
	Reserve Forces	144	8.8	7.3 to 10.3
Service
	Army	1419	63.2	61.2 to 65.2
	Navy	223	17.0	15.3 to 18.6
	Air Force	372	19.9	17.8 to 22.0
Rank
	Officer	308	15.9	13.8 to 17.9
	Senior NCM	369	18.0	16.0 to 19.9
	Junior NCM	1337	66.2	63.7 to 68.7
Deployment location
	Kandahar Province	865	41.8	41.6 to 42.1
	Kabul or elsewhere in Afghanistan	320	13.6	13.2 to 13.7
	UAE or elsewhere in Middle East	119	10.2	10.2 to 10.4
	Arabian Gulf	148	17.2	17.2 to 17.6
	Multiple	413	15.1	14.9 to 15.4
	Unspecified	149	1.9	1.8 to 1.9
Number of Afghanistan deployments
	1	1523	79.6	78.1 to 81.2
	2	389	16.1	14.5 to 17.7
	≥3	102	4.3	3.4 to 5.1
Duration of first Afghanistan deployment
	<180 days	1136	56.6	54.3 to 58.9
	≥180 days	878	43.4	41.1 to 45.7
Total duration of Afghanistan deployments
	<180 days	850	45.1	42.7 to 47.5
	≥180 days	1164	54.9	52.5 to 57.3

Abbreviations: ARMD, Afghanistan service-related mental disorders; CAF, Canadian Armed Forces; CI, confidence interval; 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.