Table 1: Behavior assessment for preschool children (group I)

		Visit 1						Visit 2						Visit 3
		pre-treatment		treatment		post-treatment		pre-treatment		treatment		post-treatment		pre-treatment		treatment		post-treatment
N = 17
(- -) 0		6 (35.29%)		7 (41.17%)		10 (58.82%)		2 (11.76%)		4 (23.52%)		4 (23.52%)		2 (11.76%)		2 (11.76%)		2 (11.76%)
(-) 1		2 (11.76%)		4 (23.52%)		1 (5.88%)		3 (17.64%)		3 (17.64%)		2 (11.76%)		1 (5.88%)		1 (5.88%)		1 (5.88%)
(+) 2		9 (52.94%)		6 (35.29%)		6 (35.29%)		12 (70.58%)		10 (58.82%)		11 (64.70%)		14 (82.35%)		14 (82.35%)		14
(82.35%)
(++) 3		0		0		0		0		0		0		0		0		0
Mean ± SD		1.18 ± 0.951		0.94 ± 0.899		0.76 ± 0.970		1.59 ± 0.712		1.35 ± 0.862		1.14 ± 0.870		1.71 ± 0.686		1.71 ± 0.686		1.76 ±
0.562
Mean rank		1.65		1.53		1.50		2.12		2.06		2.06		2.24		2.41		2.44
Chi-square test														11.200		15.200		16.188
df(degree
of freedom)														2		2		2
p-value														0.004		0.001		0.000