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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: Addict Behav. 2007 Jun 9;33(1):180–187. doi: 10.1016/j.addbeh.2007.06.001

Table 1.

Demographic Information on the SUD-PTSD Sample (n=19) and on the SUD-only Matched Comparison Sample (n=19)

PTSD Sample Comparison Sample t or X2 p
Matching Variables
Client
 Age 48.32 (7.70) 48.16 (8.30) 0.21 .836
 Years Education 13.05 (2.51) 13.00 (1.60) 0.11 .916
 Length of Relationship 14.53 (13.03) 13.42 (11.47) 0.83 .419
 Race/Ethnicity 0.00 1.00
  White 94.74% 94.74%
  African-American 5.26% 5.26%
  Other 0 0
Partner
 Age 44.79 (7.51) 45.47 (8.21) -0.39 .702
 Years Education 13.79 (2.10) 12.95 (2.32) 1.22 .238
 Race/Ethnicity -1.51 .132
  White 84.2% 89.5%
  African-American 10.5% 5.3%
  Other 5.3% 5.3%
Couple Characteristics
Marital Status 0.00 1.00
 Married 84.2% 89.5%
 Cohabiting 15.8% 10.5%

Note. Data presented are mean with standard deviation in parentheses for continuous variables and percentage of subjects in each category for categorical variables. The two samples were compared with paired t-tests for continuous variables and McNemar Chi-Square for categorical variables.