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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Exp Clin Psychopharmacol. 2014 Jun 30;22(4):341–347. doi: 10.1037/a0037206

Table 1.

Demographic characteristics

M (SD)
Age 36.9 (13.5)
Daily smoking rate 16.6 (10.0)
Number of years smoking 18.6 (13.4)
%
Race/ethnicity
 Asian/Asian American 1.0
 Caucasian 82.9
 Black/non-Hispanic 9.8
 Black/Hispanic 0.9
 Non-Black/Hispanic 2.6
  “Other” 2.8
Primary current DSM-IV-TR Axis I disorder
 Social anxiety disorder 9.8
 Generalized anxiety disorder 5.1
 Major depressive disorder 5.0
 Specific phobia 3.9
 Alcohol use disorder 3.8
 Cannabis use disorder 3.2
 Post-traumatic stress disorder 3.0
Level of education
 High school diploma (or equivalent) or less 28.0
 Some college education 35.5
 Graduated from 2-year college 9.5
 Graduated from 4-year college 14.0
 Graduate school experience 13.1
Marital status
 Never married 42.9
 Married/living with someone 34.5
 Widowed 1.7
 Separated 3.6
 Divorced 17.2