Table 1.

Distribution of sample by educational level

Years of formal education	Group				Total
	Ankawa		Erbil
	No.	%	No.	%	No.	%
<6	2	0.8	2	0.8	4	0.8
6-9	42	16.8	42	16.8	84	16.8
10-12	80	32	80	32	160	32
> 12	126	50.4	126	50.4	252	50.4
Total	250	100	250	100	500	100