Definition
For men who believe that they are at moderate or great risk of getting HIV/AIDS, AIDHRISKBLOODINJMN indicates whether, in response to an open-ended question, they reported believing this because they have had either blood transfusions or injections.
The related variables AIDHRISKBLOODMN (MV869H) and AIDHRISKINJMN (MV869I) indicate, respectively, whether the man believes he is at moderate or great risk of getting HIV/AIDS because he has had blood transfusions or because he has had injections.