Table 1.

Age distribution of male blood donors

Age (years)	Regular donors		1st-time donors		χ2	p-values
	Number	%	Number	%
<30	29	29.0	49	49.0	8.9	0.03
30–39	42	42.0	27	27.0
40–49	21	21.0	18	18.0
≥50	8	8.0	6	6.0
Mean ± SD	35.2±8.5		32.5±9.5

Abbreviation: SD, standard deviation.