DSM-III-R Symptoms Occurring in Last 30 Days Criteria | Male Vietnam Theater Veterans | Male Vietnam Era Controls | |||||
---|---|---|---|---|---|---|---|
 |  | N | Prev (%) | 95% CI | N | Prev (%) | 95% CI |
B | Unpleasant memories | 1183 | 2.7 | 1.7–3.8 | 410 | 1.1 | 0.0–2.3 |
 | Disturbing memories | 1182 | 3.4 | 2.1–4.6 | 406 | 1.8 | 0.0–3.5 |
 | Felt as if event recurring | 1181 | 3.2 | 1.9–4.5 | 406 | 1.0 | 0.0–2.3 |
 | Flashbacks | 1179 | 1.8 | 0.9–2.7 | 404 | 0.5 | 0.0–1.3 |
 | Suddenly feeling anxious/fearful/panicky | 1187 | 3.3 | 2.0–4.7 | 407 | 0.3 | 0.0–0.5 |
C | Tried not to think about previous events | 1179 | 3.1 | 1.9–4.4 | 408 | 0.7 | 0.0–1.5 |
 | Avoided feelings about previous events | 1185 | 2.8 | 1.6–4.0 | 403 | 0.3 | 0.0–1.0 |
 | Avoided certain places or activities | 1190 | 1.3 | 0.6–2.1 | 410 | 1.3 | 0.0–2.8 |
 | Could not remember portions of traumatic event | 1169 | 1.8 | 0.8–2.8 | 406 | 0.0 | 0.0–0.1 |
 | Lost interest in activities | 1188 | 2.8 | 1.6–4.0 | 410 | 1.2 | 0.0–2.5 |
 | Stopped caring about activities | 1190 | 2.0 | 1.0–3.0 | 411 | 1.4 | 0.0–2.9 |
 | Felt cut off from people | 1186 | 4.1 | 2.6–5.5 | 410 | 1.4 | 0.0–2.9 |
 | Felt numb or empty inside | 1191 | 2.3 | 1.2–3.4 | 411 | 1.2 | 0.0–2.4 |
 | Could not feel things anymore | 1189 | 2.5 | 1.4–3.6 | 408 | 0.6 | 0.0–1.6 |
D | Difficulty falling asleep | 1182 | 5.9 | 4.1–7.6 | 410 | 2.2 | 0.5–3.9 |
 | Felt as if you might get out of control | 1185 | 1.5 | 0.7–2.3 | 406 | 1.0 | 0.0–2.2 |
 | Minor events bothered you/made you angry | 1189 | 3.1 | 1.9–4.3 | 411 | 2.6 | 0.1–4.7 |
 | Trouble concentrating | 1192 | 2.8 | 1.7–3.9 | 412 | 1.2 | 0.1–2.3 |
 | Felt you had to stay on guard | 1190 | 3.4 | 2.1–4.7 | 409 | 2.0 | 0.1–3.8 |
 | Spells or panic attacks due to previous memory | 1175 | 0.9 | 0.3–1.4 | 407 | 0.0 | NA |
 | Unexpected noises startle you | 1190 | 3.6 | 2.2–5.0 | 412 | 1.1 | 0.0–2.3 |