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    Development and Psychometric Properties of a Prostate Cancer Knowledge Scale for African American Men

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    Author
    Owens, O.L.
    Tavakoli, A.S.
    Rose, T.
    Date
    2019
    Journal
    American journal of men's health
    Publisher
    SAGE Publishing
    Type
    Article
    
    Metadata
    Show full item record
    See at
    https://doi.org/10.1177/1557988319892459
    Abstract
    African American men have the highest prostate cancer-related mortality nationally. In response to this disparity, targeted interventions are emerging to enhance African American men's prostate cancer (PrCA) knowledge to ensure they are equipped to make informed decisions about PrCA screening with health-care providers. African American men's PrCA knowledge has been measured inconsistently over time with limited psychometric evidence. The factor structure of this construct in African American men is relatively unknown. This study describes the development and psychometric evaluation of an 18-item Prostate Cancer Knowledge Scale among 352 African American men. Exploratory factor analysis (EFA) was conducted using weighted least square mean and variance estimation with Geomin rotation. EFA yielded three factors: PrCA Anatomy and Screening (6 items), Risk Factors (5 items), Warning Signs (7 items) with good internal consistency reliability at KR-20 = .80 for the total scale and .64, .66, and .75, respectively, for each subscale. Factor loadings ranged from .31 to .86. The standardized root mean square residual (0.08) indicated that the factor structure explained most of the correlations. The three-factor, 18-item Prostate Cancer Knowledge Scale demonstrates that PrCA knowledge is a multidimensional construct and has utility for reliably measuring PrCA knowledge among African American men. Future research is required to confirm this factor structure among socio-demographically diverse African Americans.
    Keyword
    factor analysis
    informed decision-making
    knowledge
    Prostatic cancer
    psychometrics
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85076835027&doi=10.1177%2f1557988319892459&partnerID=40&md5=9845590e7644c23c9d92d106305e6905; http://hdl.handle.net/10713/11557
    ae974a485f413a2113503eed53cd6c53
    10.1177/1557988319892459
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    UMB Open Access Articles 2019

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