Table 3.

PTSD Scales Administered to NVVRS Clinical Subsample

Scale	Criteria	Male Vietnam Theater Veterans			Male Vietnam Era Controls
		N	Prev (%)	95% CI	N	Prev (%)	95% CI
Mississippi Scale	Cutting-Score ≥ 107	259	7.0	3.8–10.2	55	12.1	1.0–23.2
	Cutting-Score ≥ 94	259	14.9	10.3–19.5	55	19.0	5.1–33.0
	Cutting-Score ≥ 89	259	20.4	14.7–26.1	55	26.3	16.0–36.6
MMPI-Keane Scale	Cutting-Score ≥ 30	232	3.8	1.0–6.6	50	10.1	0.0–23.2
	Cutting-Score ≥ 26	232	5.9	2.6–9.3	50	10.1	0.0–23.2
	Cutting-Score ≥ 14	232	14.5	9.9–19.2	50	28.1	11.8–44.3
One Month D-PTSD (DSM-III-R)	All-Cause PTSD	259	3.4	1.0–5.8	57	0.3	0.0–0.8
	Combat-Related PTSD	259	3.3	0.9–5.7	57	0.3	0.0–0.8
Lifetime D-PTSD (DSM-III-R)	All-Cause PTSD	259	10.8	6.3–15.2	57	3.8	0.0–10.8
	Combat-Related PTSD	259	10.1	5.8–14.5	57	0.3	0.0–10.8

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