Table 1.

The participants’ basic characteristics.

	Intervention Group	Control Group
	Mean ± SD	Mean ± SD
Age	6.5 ± 0.5	6.5 ± 0.5
dmft	5.3 ± 2.9	4.8 ± 3.0
Mother’s age	34.8 ± 6.6	35.4 ± 6.1
Father’s age	41.8 ± 8.1	41.8 ± 7.3
	n (%)	n (%)
First grade	69 (48%)	65 (48%)
Second grade	74 (52%)	70 (52%)
Male	77 (54%)	65 (48%)
Female	66 (46%)	70 (52%)
Both parents unemployed	12 (11%)	10 (9%)
At least one parent employed	95 (89%)	98 (91%)
Mother attended primary school only	32 (30%)	12 (11%)
Mother attended secondary school or higher	76 (70%)	96 (89%)
Father attended primary school only	40 (38%)	14 (13%)
Father attended secondary school or higher	66 (62%)	94 (87%)