Table 2.

The score of the 4-year-old group on CNBS and PSQ.

Scales	No.	Index	ADHD group 1		Symptom-like group 1
			N = 45		N = 92
			Mean	SD	Mean	SD	T	p
CNBS	1	Full DQ	90.93	8.49	91.25	7.50	−0.22	0.825
	2	Gross motor DQ	90.47	10.38	88.53	9.84	1.07	0.289
	3	Fine motor DQ	81.34	13.02	79.80	14.85	0.59	0.554
	4	Adaptive behavior DQ	92.92	10.78	93.52	9.53	−0.33	0.739
	5	Language DQ	95.53	14.31	96.82	11.40	−0.57	0.568
	6	Personal-social DQ	93.98	11.89	97.59	9.97	−1.87	0.064
PSQ	8	Conduct problem	1.29	0.45	0.71	0.34	8.32	<0.001
	9	Learning problem	1.86	0.51	1.18	0.50	7.36	<0.001
	10	Psychosomatic problem	0.22	0.28	0.18	0.29	0.88	0.382
	11	Impulsivity-hyperactivity	2.07	0.44	1.05	0.48	11.86	<0.001
	12	Anxiety	0.57	0.43	0.42	0.33	2.33	0.021
	13	Hyperactivity index	1.82	0.39	0.99	0.38	11.79	<0.001
	14	Symptom severitya	3.89	0.75	2.05	0.81	12.78	<0.001

CNBS, The Children Neuropsychological and Behavior Scale; PSQ, The Conners’ Parent Symptom Questionnaire; DQ, developmental quotient.

^a Symptom severity = Impulsivity-hyperactivity + Hyperactivity index.