. 2017 May 18;8:797. doi: 10.3389/fpsyg.2017.00797

Table 1.

Means, standard deviations, statistics, and effects sizes for the differences between psychopathology groups in perceived danger and objective exposure to 9/11 events.

	PTSD + Depression (N = 18)		PTSD only (N = 15)		No-pathology (N = 27)
	M	SD	M	SD	M	SD	F_{(2, 56)}	η²
Perceived danger	2.41^a	1.30	2.18^a	0.99	1.31^b	0.98	6.26^**	0.18
Objective exposure	1.06	0.79	0.88	0.81	0.67	0.83	1.25	0.04

^**

p < 0.01. Means with different superscript are significantly different at p < 0.05 based on Sidak adjustment.