Table 1.

Socio-demographic characteristics of subject population

	Frequency n = 300	Percentage (%)
Age (Years)
≤ 1	151	50.3
> 1 ≤ 10	149	49.7
Sex
Male	187	62.3
Female	113	37.7
Tribe
Igbo	285	95.0
Othersa	15	5.0
Social class
Upper	55	18.3
Lower	245	81.7

^aYoruba, Hausa/Fulani, Ibibio, Urhobo, Lebanese