Table 3. Mental Health Diagnoses of Marines in the Marine Resiliency Study at Predeployment (T1) Assessmenta .
| Diagnosis | Battalion 1 | Battalion 2 | Battalion 3 | Battalion 4 | Total | ||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| n (%) (n = 315) | n (%) (n = 721) | n (%) (n = 671) | n (%) (n = 886) | n (%) (N = 2,593) | |||||
| Substance-related disorders | |||||||||
| Alcohol | 4 (1.27) | 45 (6.24) | 28 (4.17) | 39 (4.40) | 116 (4.47) | ||||
| Drug | 1 (0.32) | 11 (1.53) | 6 (0.89) | 0 | 18 (0.69) | ||||
| Adjustment disorders | 6 (1.90) | 26 (3.61) | 27 (4.02) | 21 (2.37) | 80 (3.09) | ||||
| Mood disorders | |||||||||
| Major depression | 2 (0.63) | 7 (0.97) | 4 (0.60) | 4 (0.45) | 17 (0.66) | ||||
| Bipolar disorder | 0 | 1 (0.14) | 0 | 0 | 1 (0.04) | ||||
| Dysthymia | 0 | 5 (0.69) | 3 (0.45) | 4 (0.45) | 12 (0.46) | ||||
| Depression, not otherwise specified | 2 (0.63) | 11 (1.53) | 7 (1.04) | 8 (0.90) | 28 (1.08) | ||||
| Mood disorder, not otherwise specified | 2 (0.63) | 0 | 0 | 0 | 2 (0.08) | ||||
| Personality disorders | 0 | 8 (1.11) | 5 (0.75) | 7 (0.79) | 20 (0.77) | ||||
| Psychotic disorders | |||||||||
| Schizophrenia | 0 | 0 | 0 | 0 | 0 | ||||
| Brief psychotic disorder | 0 | 0 | 0 | 0 | 0 | ||||
| Psychosis, not otherwise specified | 0 | 1 (0.14) | 0 | 0 | 1 (0.04) | ||||
| Anxiety disorders | |||||||||
| Panic disorder | 1 (0.32) | 5 (0.69) | 1 (0.15) | 3 (0.34) | 10 (0.39) | ||||
| Generalized anxiety disorder | 1 (0.32) | 0 | 1 (0.15) | 1 (0.11) | 3 (0.12) | ||||
| Obsessive-compulsive disorder | 0 | 0 | 0 | 0 | 0 | ||||
| Phobias | 0 | 1 (0.14) | 0 | 0 | 1 (0.04) | ||||
| Acute stress | 0 | 3 (0.42) | 1 (0.15) | 1 (0.11) | 5 (0.19) | ||||
| Posttraumatic stress disorderb | 2 (0.63) | 10 (1.39) | 8 (1.19) | 8 (0.90) | 28 (1.08) | ||||
| Anxiety, not otherwise specified | 2 (0.63) | 9 (1.25) | 8 (1.19) | 9 (1.02) | 28 (1.08) | ||||
| Somatoform/dissociative/factitious disorders | |||||||||
| Dissociative disorder | 0 | 0 | 0 | 0 | 0 | ||||
| Factitious disorder | 0 | 0 | 0 | 0 | 0 | ||||
| Conversion disorder | 0 | 1 (0.14) | 0 | 1 (0.11) | 2 (0.08) | ||||
| Somatoform disorders | 0 | 0 | 0 | 0 | 0 | ||||
| Suicidal ideation | |||||||||
| Ideationc | 0 | 4 (0.55) | 5 (0.75) | 4 (0.45) | 13 (0.50) | ||||
| Ideation and attempt | 1 (0.32) | 4 (0.55) | 2 (0.30) | 1 (0.11) | 8 (0.31) | ||||
| Other mental disorders | |||||||||
| Organic conditions | 0 | 0 | 1 (0.15) | 0 | 1 (0.04) | ||||
| Eating disorder | 0 | 0 | 0 | 0 | 0 | ||||
| Unspecified mental disorder | 1 (0.32) | 0 | 0 | 0 | 1 (0.04) | ||||
| Psychological factors, physical condition | 0 | 1 (0.14) | 2 (0.30) | 0 | 3 (0.12) | ||||
| Sleep disorder | 0 | 2 (0.28) | 7 (1.04) | 5 (0.56) | 14 (0.54) | ||||
| All other | 2 (0.63) | 13 (1.8) | 11 (1.64) | 8 (0.90) | 34 (1.31) | ||||
a Table reflects data derived from the Career History Archival Medial and Personnel System. Percentages based on the total N enrolled.
b Rates of PTSD diagnosis were significantly influenced by deployment history (N = 193; χ2 1 = 10.99; P < .001; φ = .24).
c Rates of diagnosed suicidal ideation were significantly influenced by deployment history (N = 193; χ2 1 = 10.45; P = .001; φ = −.23).