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Demetrius Porche

Publications and source records attributed to Demetrius Porche.

3 recordsLinked to original sources

Questionnaire development to predict mammography intention among women in southeastern Louisiana.

This article summarizes the development and psychometric analysis of the Thoughts About Mammography (TAM) questionnaire to predict mammography intention using the Theory of Planned Behavior (TPB). Key themes, obtained from elicitation interviews (N = 45), were categorized, ranked and extracted for item construction. Initial pilot testing supported test-retest reliability (alpha = .85 to .97), internal consistency (alpha = .67 to .91), and content validity (0.86-1.00). After pilot testing, the TAM was administered to 302 rural women in southeastern (SE) Louisiana. The instrument was internally consistent (alpha = 0.77 to 0.92), construct valid (alpha = .18 to .64), and predicted 24% of the variance of mammography intention. The TAM adequately demonstrated reliability and validity to measure mammography intention in rural southeastern Louisiana women.

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