Risk behaviors in substance use disorder in a sample of Egyptian female patients with or without symptoms of attention-deficit hyperactivity disorder

Middle East Current Psychiatry

Table 2 Comparison between SUD patients with the ADHD symptom group and SUD patients without the ADHD symptom group as regards age of onset for substance use and smoking

	SUD patients with the ADHD symptom group		SUD patients without the ADHD symptom group		T test
	Mean	± SD	Mean	± SD	p value	Sig
Age of onset of substance use	14.5	± 1.9	16.5	± 1.9	0.029	S
Age of onset of smoking	12	± 1.9	14	± 1.9	0.029	S