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

Author:

Owens Otis L.1ORCID,Tavakoli Abbas S.2,Rose Theda3,Wooten Nikki R.1

Affiliation:

1. College of Social Work, University of South Carolina, Columbia, USA

2. College of Nursing, University of South Carolina, Columbia, USA

3. School of Social Work, University of Maryland, Baltimore, USA

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.

Funder

office of the vice president for research, university of south carolina

Publisher

SAGE Publications

Subject

Public Health, Environmental and Occupational Health,Health(social science)

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