Table 1.

Demographic characteristics of study participants

Characteristic	Tetris, mean ± SD	Therapy only, mean ± SD	t test
Age, yr	34.2 ± 7.3	32.5 ± 5.3	t38 = 0.79; p = 0.43
Military deployment, d	354.9 ± 305.6	345.9 ± 214.2	t38 = 0.11; p = 0.92
CES score	32.2 ± 12.9	34.4 ± 16.7	t38 = 0.60; p = 0.55
EMDR sessions, n	7.0 ± 1.6	7.3 ± 1.9	t38 = 0. 62; p = 0.54
Pre/post interval, d	39.9 ± 4.8	36.8 ± 6.6	t38 = 1.74; p = 0.09
Post/follow-up interval, d*	204.1 ± 57.4	256.4 ± 138.5	t34 = 1.48; p = 0.15

CES = Combat Experiences Scale; EMDR = eye movement desensitization and reprocessing; SD = standard deviation.

^*Follow-up data were missing for 4 participants (2 Tetris, 2 therapy-only controls).