Table II.

Distribution of first blood donation offers by age and sex of the potential donors.

Age (years)	Women	%	Men	%	Total	%
18–30	1,980	24.8	1,398	17.5	3,378	42.3
31–40	1,093	13.7	1,183	14.8	2,276	28.5
41–50	785	9.8	685	8.6	1,470	18.4
51–60	397	5.0	312	3.9	709	8.9
>60	78	1.0	73	0.9	151	1.9
Total	4,333	54,3	3,651	45.7	7,984	100