The mean age of whole blood donors was 38.6 years and the majority was in the age groups group 26-40 year (34.7%) and 41-55 year (35.1%).
Meðalaldur virkra heilblóðsgjafa var 38,6 ár og flestir þeirra voru í aldurshópunum, 26-40 ár (34,7%) og 41-55 ára (35,1%).