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Using the extended parallel process model to explain physicians' decisions to test their patients for kidney disease
Anthony J Roberto1, Catherine E Goodall
1Arizona State University, Tempe, Arizona, USA. anthony.roberto@asu.edu
Journal of Health Communication
|May 26, 2009
Summary
Physicians
Area of Science:
- Health behavior research
- Medical decision-making
- Preventive healthcare
Background:
- Physicians' decisions impact patient health outcomes.
- Understanding factors influencing physicians' preventive testing behavior is crucial.
- The extended parallel process model provides a framework for this study.
Purpose of the Study:
- To investigate the influence of perceived threat and efficacy on physicians' intentions and behavior regarding kidney function testing.
- To apply the extended parallel process model to physician decision-making in preventive care.
Main Methods:
- A survey study involving 151 physicians assessing perceived threat (susceptibility, severity) and efficacy (response, self).
- Measured physicians' intentions and current behavior for ordering kidney function tests.
- A follow-up survey with 112 physicians reassessed intentions and behavior after 4 months.
Main Results:
- Physicians perceiving higher threat to patients' kidney health showed increased intentions and behavior for testing.
- Physicians reporting higher response-efficacy and self-efficacy also demonstrated greater intentions and behavior.
- Both threat and efficacy independently predicted physicians' testing intentions and actions.
Conclusions:
- Perceived threat and efficacy are significant predictors of physicians' preventive testing behavior.
- Findings support the extended parallel process model's applicability to clinical practice.
- Interventions aimed at increasing perceived threat and efficacy may enhance kidney function testing rates.
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