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Decision Aid Influences on Factors Associated with Patient Empowerment prior to Cancer Treatment Decision Making

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  • Dana L. Alden

Abstract

Background. Despite progress, models that incorporate antecedent and mediating factors associated with shared decision making (SDM)–related outcomes remain limited. An experimental study tests patient decision aid (DA) effects on a network of antecedents and mediators associated with patient empowerment prior to a medical decision-making consultation regarding cancer treatment. Methods. A pilot study initially evaluated measurement scales, model fit, and the overall effect of the DA experience. The pilot compared matched treatment and control group samples of US adult online panel members exposed to a vignette about meeting their dermatologist to decide on skin cancer treatment. The treatment group also experienced a skin cancer DA with treatment options and value clarification activity, while the control group did not. The main study employed a randomized experimental design to formally test hypothesized path coefficients across the groups. Results. The pilot study suggested an overall enhanced DA effect on self-empowerment. In the experimental study, the DA experience strengthened the direct path from desire for medical information to self-empowerment and the indirect path from comprehension/participation confidence to self-empowerment through cancer attitude. The DA had no strengthening effect on the direct path from life satisfaction to self-empowerment, but in the DA condition, the factor appeared to play a role by contributing to the enhanced association between confidence and cancer attitude. Conclusion. Evidence from this research indicates that experiencing a DA prior to treatment decision making affects patient empowerment through a network that includes desire for information, life satisfaction, and multiple mediators. The studies also demonstrate the role that theory-based, multigroup structural equation modeling (SEM) can play in increasing understanding of DA effects. Such understanding is critical to improving SDM between patients and their physicians.

Suggested Citation

  • Dana L. Alden, 2014. "Decision Aid Influences on Factors Associated with Patient Empowerment prior to Cancer Treatment Decision Making," Medical Decision Making, , vol. 34(7), pages 884-898, October.
    • Handle: RePEc:sae:medema:v:34:y:2014:i:7:p:884-898
    DOI: 10.1177/0272989X14536780
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    References listed on IDEAS

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    1. Charles, Cathy & Gafni, Amiram & Whelan, Tim, 1997. "Shared decision-making in the medical encounter: What does it mean? (or it takes at least two to tango)," Social Science & Medicine, Elsevier, vol. 44(5), pages 681-692, March.
    2. Alden, Dana L. & Friend, John & Schapira, Marilyn & Stiggelbout, Anne, 2014. "Cultural targeting and tailoring of shared decision making technology: A theoretical framework for improving the effectiveness of patient decision aids in culturally diverse groups," Social Science & Medicine, Elsevier, vol. 105(C), pages 1-8.
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