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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Hum Genet. 2014 Mar 4;133(7):905–918. doi: 10.1007/s00439-014-1431-7

Table 1.

Characteristics of the SAGE AA and EA Sample Used in the Study

Characteristic African-American European-American
Sample size 1,136 2,428
Age, years (SD) 40.2 (7.4) 38.4 (9.7)
Female (%) 592 (52.1) 1,362 (56.1)
DSM-IV Alcohol Dependence (%) 567 (49.9) 1,084 (44.6)
DSM-IV Cocaine Dependence (%) 458 (40.3) 454 (18.7)
DSM-IV Nicotine Dependence (%) 535 (47.1) 1,066 (43.9)
FTND score (SD) 4.93 (2.32) 5.06 (2.76)
No addiction (%) 397 (34.9) 1,018 (41.9)
One type of addiction (%) 198 (17.4) 540 (22.2)
Two types of addiction (%) 260 (22.9) 539 (22.2)
Three types of addiction (%) 280 (24.6) 327 (13.5)

Notes: SD = Standard Deviation.