Evaluation of a Computer-Based Decision Aid for Promoting Informed Prostate Cancer Screening Decisions Among African American Men: iDecide

To evaluate the effects of iDecide on prostate cancer knowledge, informed decision-making self-efficacy, technology use self-efficacy, and intention to engage in informed decision-making among African American men.

One-group, pretest/posttest.

Community settings in South Carolina.

African American men, ages 40 years +, without a prior prostate cancer diagnosis (n = 354).

iDecide, an embodied conversational agent-led, computer-based prostate cancer screening decision aid.

Prostate cancer knowledge, informed decision-making self-efficacy, technology use self-efficacy, and intention to engage in informed decision-making.

Descriptive statistics, paired t tests, general linear modeling, Spearman correlations.

On average, participants experienced significant improvements in their prostate cancer knowledge ( P ≤ .001), informed decision-making self-efficacy ( P ≤ .001), and technology use self-efficacy ( P ≤ .001), postintervention. Additionally, 67% of participants reported an intention to engage in informed decision-making.

Given the significant improvements across all measures, this research demonstrates that embodied conversational agent-led decision aids can be used to enhance the capacity for making informed prostate cancer screening decisions among African American men and increase their technology use self-efficacy. One critical limitation of this study is that most men had received prostate cancer screening prior to engaging in our intervention, so the implications of this intervention may be different for men who do not have a history of screening. Additionally, actual engagement in informed decision-making postintervention was not assessed.

American journal of health promotion : AJHP. 2018 Jan 01 [Epub ahead of print]

Otis L Owens, Tisha Felder, Abbas S Tavakoli, Asa A Revels, Daniela B Friedman, Chanita Hughes-Halbert, James R Hébert

1 College of Social Work, University of South Carolina, Columbia, SC, USA., 2 Statewide Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, USA., 3 College of Nursing, University of South Carolina, Columbia, SC, USA., 4 Department of Health Promotion, Education and Behavior, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA., 5 Department of Psychiatry and Behavioral Sciences, Hollings Cancer Center Medical University of South Carolina, Columbia, SC, USA.

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