“…The use of promotional tools such as advertising, public relations, personal selling, sales promotion, and direct and online marketing to recruit and/or retain donors Direct marketing [30] Nonpersonal and personal communications aimed at gaining a direct response, such as blood donation Advertising [30,37] Any paid form of nonpersonal presentation and promotion of blood donation by an identified sponsor Incentives Events or objects that increase or induce drives or determination to donate blood Perceived health benefits [30,37,41,42,45] A belief that donating blood will provide positive health effects Attitude towards incentives [23,24,30,32,39,48] A positive or negative evaluation of receiving incentives to encourage or reward blood donation behaviour Health check [25,32,33,37,42,48] A health screening that is provided as part of the donation process Time off work or school [23,32,39] Release from work, school or other commitments for donating blood Gift item [24,30,39,48] Receipt of items in exchange for donating, such as t-shirts, key rings, coffee mugs, etc Infectious disease screening [30,32,37,47] Tests performed on donated blood to screen for infectious diseases, such as AIDS or hepatitis Recognition [23,48] Formal acknowledgement of contribution from the collection agency Social norms Expectations, obligations, and sanctions currently anchored in social groups Descriptive norms [25] Perceptions of how significant others typically behave in a given situation Subjective norms [23,…”