Review Article
Interventions to Increase Blood Donation among Ethnic/Racial Minorities: A Systematic Review
| | NHMRC level of evidence | Magnitude of effect | Clearly focused issue | Recruitment acceptable | Exposure accurately measured | Outcome accurately measured | Confounding factors identified | Confounding factors controlled | Follow-up—complete enough | Follow-up—long enough | Total acceptable |
| Bachegowda et al. [34] | III-2 | High | + | + | + | + | ? | − | + | + | 6/8 | Charbonneau and Daigneault [38]; Charbonneau and Tran [39] | III-3 | High | + | + | − | ? | − | − | ? | + | 3/8 | Frye et al. [40] | III-3 | High | + | + | + | + | + | + | + | + | 8/8 | Grassineau et al. [41] | IV | Med | + | + | − | + | − | − | + | ? | 4/8 | Price et al. [35] | III-2 | High | + | + | + | + | + | + | + | + | 8/8 | Price et al. [42] | III-2 | High | + | + | + | + | + | + | + | + | 8/8 | Robbins et al. [36] | IV | Med | + | + | + | + | + | + | + | − | 7/8 | Sutton [37] | III-2 | High | + | − | + | − | + | − | − | + | 4/8 |
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Judgement based only on absolute increases in donor numbers as no statistical comparison was reported. |