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. Author manuscript; available in PMC: 2019 Dec 18.
Published in final edited form as: J Psychiatr Brain Sci. 2019 Oct 25;4:e190016. doi: 10.20900/jpbs.20190016

Table 1.

Baseline characteristics (N = 3286).

Subject Variable Mean (SD)
Age at first interview 16.13 (3.29)
Age at last interview 23.13 (4.97)
Number of interviews 4.02 (1.73)
Gender
 Female 1673 (50.91%)
 Male 1613 (49.09%)
Ethnicity
 EA 2133 (64.91%)
 AA 1016 (30.92%)
 Other 155 (4.21%)
Family type
 Case 2848 (86.67%)
 Control 438 (13.33%)
Any type of AUD
 Yes 1416 (43.09%)
 No 1870 (56.91%)
Comorbidity
 Externalizing only 982 (29.88%)
 Internalizing only 140 (4.26%)
 Both 286 (8.70%)
 Neither 1878 (57.15%)