Table 1.

Summary of Demographic Data for the Total Sample (N = 136) and Clinical PTS Sub-Groups

	Clinical PTS (n = 15) M (SD) Range	No PTS (n = 121) M (SD) Range	Total sample (N = 136) M (SD) Range
Age	29.5 (5.0) 21–37	28.9 (6.2) 18–47	29.0 (6.1) 18–47
Height (cm)	178.0 (6.9) 165.1–193.0	179.2 (6.8) 165.1–193.0	179.1 (6.8) 165.1–193.0
Weight (kg)	83.8 (12.7) 65.8–108.4	85.2 (10.3) 65.3–122.5	85.1 (10.5) 65.3–122.5
Total years of service	7.6 (4.9) 1–18	7.4 (5.5) 0–23	7.4 (5.4) 0–23
Total months deployed	17.3 (17.3) 0–48	13.5 (12.0) 0–43	13.9 (12.6) 0–48
Currently deployed % yes (n)	11.8% (4)	25.6% (31)	25.7% (35)
Total previous mTBIs	1.3 (1.7) 0–5	0.8 (1.0) 0–5	0.9 (1.1) 0–5
mTBI history % yes (n)	57.1% (8)	54.9% (67)	55.1% (75)
Migraine history % yes (n)	42.9% (6)*	1.7% (2)	5.9% (8)

^*p < 0.05.

PTS, post-traumatic stress; M, mean; SD, standard deviation; mTBI, mild traumatic brain injury.