Table 1. Demographic characteristics of blood donors at Debre Berhan blood bank, Central North Ethiopia, March 2014-June 2017.
| Variables | Frequency (N) | Percent (%) | |
|---|---|---|---|
| Sex | Male | 5644 | 66.7 |
| Female | 2816 | 33.3 | |
| Age (Years) | 18–20 | 3096 | 36.6 |
| 21–26 | 2983 | 35.3 | |
| 27–40 | 1970 | 23.3 | |
| 41–65 | 411 | 4.9 | |
| Occupation | Student | 4581 | 54.1 |
| Gov. employee | 2679 | 31.7 | |
| Private Employee | 686 | 8.1 | |
| Daily laborer | 108 | 1.3 | |
| Farmer | 406 | 4.8 | |
| Site | Debre Berhan | 6868 | 81.2 |
| Others | 1592 | 18.8 | |
| Year | 2014 | 1033 | 12.2 |
| 2015 | 3342 | 39.5 | |
| 2016 | 2338 | 27.6 | |
| 2017 | 1747 | 20.7 | |
| Overall | 8460 | 100 | |