Table 4.

Correlation between the mean of symptoms of hyperactivity and dentofacial factors

Mean of symptoms of hyperactivity	Facial profile—convex	Facial profile—straight	p value
<2.86	35	21	0.55
>2.86	30	14
	Malocclusion—class 1	Malocclusion—class 2	0.17
<2.86	47	9
>2.86	32	12
	Overjet—normal	Overjet—increased	0.04
<2.86	36	20
>2.86	6	38
	Overbite—normal	Overbite—increased	0.68
<2.86	27	29
>2.86	23	21
	Upper lip length—normal	Upper lip length—short	0.02
<2.86	20	36
>2.86	7	37
	Upper lip tonicity—normal	Hypotonicity	0.05
<2.86	27	29
>2.86	13	31