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. 2012 Feb 1;35(2):273–278. doi: 10.5665/sleep.1638

Table 1.

Demographic and clinical data in healthy controls (HC) and alcohol-dependent (AD) group

HC AD
N 16 48
Number of women (n) 3 9
Age (yrs) 35.6 (10.6) 36.4 (10.9)
Education (yrs) 15.5 (2.0) 13.2 (2.1)
Race (n) 16 C 33 C, 11 AA, 4H
Employed (%) 68.7 (4.8) 43.7 (5.0)
Short Inventory of Problems 0.07 (0.27) 13.2 (10.9)
Age of onset of drinking problem 20.7 (9.3)
Duration of problem drinking (yrs) 16.1 (11.8)
Obsessive-Compulsive Drinking Scale 8.2 (6.2)
Past history of MDD (n), (%) 6 (12.5%)

Bold font indicates group difference P < 0.05 by t-test. C, Caucasian; AA, African American; H, Hispanic.