Table 3.

Summary of the Hierarchical Linear Regressions Predicting Total Psychiatric Symptoms among Veterans with and Without PTSD

		Total Sample (N = 155)		PTSD (n = 53)		No PTSD (n = 102)
Step	Variables	β	ΔR2	β	ΔR2	β	ΔR2
1			0.05		0.11		0.07
	Gender	0.004		0.055		0.013
	Age	−0.198*		−0.332*		−0.076
	Ethnicity	0.063		−0.055		0.154
	Race	−0.123		−0.208		−0.195
2			0.07**		0.01		0.12***
	Gender	0.078		0.074		0.130
	Age	−0.163*		−0.314		−0.060
	Ethnicity	0.074		−0.054		0.183a
	Race	−0.138		−0.212		−0.201*
	Childhood Trauma	0.277**		0.071		0.372***
3			0.18***		0.17**		0.04*
	Gender	0.021		0.010		0.095
	Age	−0.124		−0.291a		−0.043
	Ethnicity	0.073		−0.087		0.199*
	Race	−0.141		−0.168		−0.210*
	Childhood Trauma	0.220**		0.059		0.346**
	Critical Warzone Experiences	0.437***		0.416**		0.201*
Total R2			0.30		0.29		0.23

Note:

^*p < 0.05

^**p < 0.01

^***p < 0.001.