Evaluation of Attention-Deficit Hyperactivity Disorder Risk Factors

Table 2

Chi-square test for parental psychiatric disorders and their familial relation among case and control groups.

	Group	Number (%)	OR (95% CI)	𝑃 value
Related parents	ADHD	51 (24.6%)		0.012
	Control	70 (35.4%)
Maternal psychiatric disorder	ADHD	46 (22.2%)		<0.0001
	Control	11 (5.6%)
Paternal psychiatric disorder	ADHD	52 (25.2%)	8.7 (0.71–106.3)	<0.0001
	Control	19 (9.6%)