Table 1.

Socio-demographic characteristics of the 105 subjects.

Socio-demographic characteristics	Subjects (105)	Percentages (%)
Age in years
Mean ± SD	7.3 ± 3.6
Age group
1 – 5	35	33.3
6 – 10	50	47.6
11 – 15	20	19.1
Sex
Male	59	56.2
Female	46	43.8
Socioeconomic class
I	9	8.6
II	23	21.9
III	33	31.4
IV	40	38.1
V	0	0