A Motivational Message, External Barriers, and Mammography Utilization

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Abstract
Based on a theory of behavior, the interaction of a motivational message and external barriers on mammography utilization was tested. Participants (N = 101) had not had mammograms annually, and were identified from an urban clinic serving a disproportionally high percentage of indigent clients. Fifty-five percent were Caucasian; 45% were African-American. In an experimental design, half of the sample received a telephone discussion about rationale, feelings, and beliefs regarding mammograms, and half did not receive this contact. Four months later, nurses assessed women's recent mammography utilization and external barriers (e.g., affordability and accessibility). A logistic regression revealed an interaction between the intervention and barriers on postintervention mammography utilization (odds ratio: 2.12; p < 0.05). As proposed, the intervention was associated with a 64% rate of mammography utilization among women without barriers, but only a 26% rate among women with barriers. Not only should clinicians offer motivational messages about mammography, but also administrators should address external barriers to maximize mammography among socioeconomically disadvantaged groups.