Table 9.

Socio-economic status distribution by centers

Socio-economic Class	Lagos center		Ife center		TOTAL
	NO	%	NO	%	No	%
Class I	8	15.4	20	20.0	28	18.4
Class II	21	40.4	22	22.0	43	28.3
Class III	23	44.2	58	58.0	81	53.3
TOTAL	52	100.0	100	100.0	152	100.0

χ² = 5.70, df = 2, p = 0.057