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Table 1 PTSD Items Administered Using D-PTSD Scale in NVVRS

From: Reconciling disparate prevalence rates of PTSD in large samples of US male Vietnam veterans and their controls

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

  1. 1. Confidence Intervals that were less than 0 were truncated to 0.