Table 1.

Sociodemographic characteristics of the participated children and their parents.

Characteristics	Children (n)	%	Mean (sd)
Total sample	460	100
Gender
Girl	215	46.7
Boy	245	53.3
Age group (years)	—	—	9.5 (1.55)
7–8	133	28.9	7.6 (0.5)
9–10	179	38.9	9.4 (0.49)
11–12	148	32.2	11.3 (0.48)
Residence area
Rural	154	33.5
Urban	306	66.5
Father's occupation
Employee	189	41.1
Not employee	270	53.7
Mother's occupation
Housewife	398	86.5
Not housewife	62	13.5
Father's educational level
Under high school	82	17.8
Complete high school	140	30.4
University	197	42.8
Mother's education level
Under high school	134	29.1
Complete high school	194	42.2
University	90	19.6