Table 5.

Multiple Regression Analyses Predicting Whether Differences in Demographics Account for Differences Between Online and Phone Samples in Scores on the PCL and Social Support Scales

Variable	B	SEB	β
PCL Total Score
Currently in a Relationship1	−7.70	1.80	−.19***
African American2	3.33	1.29	.11**
Disability3	1.33	0.50	.11**
Sample Type4	−0.98	0.72	−.06
PCL Avoidance Subscale
Currently in a Relationship1	−3.96	.74	−.23***
African American2	1.31	.53	.11*
Disability3	0.50	.21	.10*
Sample Type4	−.41	.30	−.06
PCL Hyperarousal Subscale
Currently in a Relationship1	−1.63	.57	−.13**
Disability3	0.36	.16	.10*
Sample Type4	−0.37	.23	−.07
Social Support
Currently in a Relationship1	235.16	47.02	.21***
Disability3	−53.82	22.87	−.10*
Type of Sample4	101.30	18.77	.23***

¹Currently in a Relationship: 1 = Yes, 0 = No.

²African American: 1 = Yes, 0 = No.

³Disability: 1 = Either respondent and/or his partner had a disability, 0 = Neither respondent nor his reported had a disability.

⁴Sample Type: 1 = Online, 2 = Phone.

^*p < .05,

^**p < .01,

^***p < .001.