Evidence-Based Practice In Public Health-PHN-652-Topic 1 DQ 1

Evidence-Based Practice In Public Health-PHN-652-Topic 1 DQ 1


QUESTION-PHN 652 Topic 1 DQ 1

Discuss the sources of evidence for public health nurses. How can this evidence be applied to support evidence-based practice? Cite at least two sources of evidence in your response.\


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Discuss the Sources of Evidence for Public Health Nurses

Evidence-based practice in public health involves integrating science-based interventions with community preferences for population health improvement. There are numerous sources of evidence, such as the Guide to Community Preventive Services, also referred to as “The Community Guide.” The community guide contains evidence-based recommendations for services, policy, and community health programs from the Community Preventive Services Task Force. It helps the nurses to identify evidence-based interventions, their implications on the population and also assists nurses in identifying evidence gaps in policies and practice. Other sources include reports from community and health organizations and scientific and other academic journals that provide findings following interventions. Organization reports provide insight on the current status of issues in the community and the expected future trends. They may also provide recommendations for future interventions/actions based on the current trends. The reports also compare different Scientific databases, for example, PubMed, Medline, CINAHL, among others, also act as sources of evidence. From such databases, public health nurses can access recently published scientific materials, including randomized controlled trials and systematic review studies, which they can use as evidence (Brownson et al., 2018).

How can this Evidence be applied to Support Evidence-based Practice?

To apply the evidence in evidence-based practice, public health nurses have to follow a series of steps to identify and use the best available research. The initial step involves identifying an existing issue in the community that needs to be addressed. Following identification of the issue, the nurse should identify the best available evidence that can be used to address the issue. The identified evidence should be critically appraised to determine the best way to implement it and make modifications where necessary. The nurse should then implement the interventions and evaluate the outcomes to determine their effectiveness (Oliver et al., 2017).


Brownson, R. C., Fielding, J. E., & Green, L. W. (2018). Building capacity for evidence-based public health: reconciling the pulls of practice and the push of research. Annual review of public health39, 27. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5972383/

Oliver, K. A., de Vocht, F., Money, A., & Everett, M. (2017). Identifying public health policymakers’ sources of information: comparing survey and network analyses. European journal of public health27(suppl_2), 118-123. https://academic.oup.com/eurpub/article/27/suppl_2/118/2907852?login=true