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Despite a specific need for transfused blood among African Americans due to higher rates of sickle cell disease, African Americans donate blood significantly less frequently than their White counterparts. This study describes the development and validation of culturally adapted measures of the transtheoretical model (TTM) constructs of Stage of Change, Decisional Balance, and Self-efficacy applied to blood donation in an African American sample. Exploratory and confirmatory analyses produced one pros and two cons scales for the Decisional Balance Inventory, and one scale for the Situational Self-efficacy Measure. Expected patterns for the Decisional Balance and Self-efficacy Scales by Stage of Change were found, but only the pros and one cons scale varied significantly. Results provide support for use of the TTM applied to blood donation and have important implications for development of effective assessment and intervention tools to increase blood donation among the African American population.
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- Motivation for blood donation among African Americans: developing measures for stage of change, decisional balance, and self-efficacy constructs
Mark L. Robbins
Wayne F. Velicer
- Springer US