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. 2014 Apr;9(2):83–88.

Table 2.

Psychiatric treatment, alcohol drinking, and smoking in normal and attention deficit hyperactivity disorder (ADHD) subjects

Variables Group Adult ADHD F (%) Normal F (%) Fisher exact test P-Value
History of psychiatric Yes Zero 10 (100)
treatment No 15(2.6) 175 (97.4) 0.40 1.000
Smoking Yes 4(6) 63 (94) 1.09 0.29
No 11(3.3) 322 (96.7)
Alcohol drinking Yes 1(7.1) 13 (92.9) 0.46 0.42
No 14(3.6) 372 (96.4)