Table 1.

Clinical and demographic characteristics of study sample (n=56).

Demographic/Clinical	Mean (SD)
Age	52.24 (11.79)
HRSD	22.01 (5.22)
HRSD without sleep items	17.99 (4.57)
CAPS	73.42 (19.38)
CAPS without sleep items	62.55 (17.68)
SRM	3.11 (1.01)
Sleep Onset Latency (minutes)	46.23 (52.06)
Wake After Sleep Onset (minutes)	46.72 (47.08)
Gender/Ethnicity	n (%)
Male	56 (100%)
Caucasian	39 (70%)
Hispanic	11 (20%)
African American	1 (1.8%)
Pacific Islander	1 (1.8%)
Native American	2 (3.6%)
Other	2 (3.6%)
Military Era	n (%)
Vietnam	32 (57.1%)
OEF/OIF	11 (19.6%)
Gulf War/Desert Storm	7 (12.5%)
Other	6 (10.7%)

CAPS = Clinician Rated PTSD Scale; HRSD = Hamilton Rating Scale for Depression; OEF/OIF = Operation Enduring Freedom/Operation Iraqi Freedom; SRM = Social Rhythm Metric