Health Promotion Program, Part B2: Evidence-based Literature Search

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Health Promotion Program, Part B2: Evidence-based Literature Search

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You will be expected to search for the highest level of evidence for your health promotion project. Please listen to the lecture on searching the evidence, use the services of the research librarian, and pull from the knowledge gained in NUR 39000 Nursing Research to complete this assignment. The Purdue Owl website is a great resource for you when citing your references in APA style.

Library Resources: The reference librarian for the School of Nursing has created a very helpful website of library resources for this course. Click on the link below to accept this website:NUR 39400 Library Resource Guide

New JBI Levels of Evidence

Developed by the Joanna Briggs Institute Levels of Evidence and Grades of Recommendation Working Party October 2013

PLEASE NOTE: These levels are intended to be used alongside the supporting document outlining their use. Using Levels of Evidence does not preclude the need for careful reading, critical appraisal and clinical reasoning when applying evidence.

LEVELS OF EVIDENCE FOR EFFECTIVENESS

Level 1 – Experimental Designs

Level 1.a – Systematic review of Randomized Controlled Trials (RCTs)

Level 1.b – Systematic review of RCTs and other study designs

Level 1.c – RCT

Level 1.d – Pseudo-RCTs

Level 2 – Quasi-experimental Designs

Level 2.a – Systematic review of quasi-experimental studies

Level 2.b – Systematic review of quasi-experimental and other lower study designs

Level 2.c – Quasi-experimental prospectively controlled study

Level 2.d – Pre-test – post-test or historic/retrospective control group study

Level 3 – Observational – Analytic Designs

Level 3.a – Systematic review of comparable cohort studies

Level 3.b – Systematic review of comparable cohort and other lower study designs

Level 3.c – Cohort study with control group

Level 3.d – Case – controlled study

Level 3.e – Observational study without a control group

Page | 2

Level 4 – Observational –Descriptive Studies

Level 4.a – Systematic review of descriptive studies

Level 4.b – Cross-sectional study

Level 4.c – Case series

Level 4.d – Case study

Level 5 – Expert Opinion and Bench Research

Level 5.a – Systematic review of expert opinion

Level 5.b – Expert consensus

Level 5.c – Bench research/ single expert opinion

Page | 3

LEVELS OF EVIDENCE FOR DIAGNOSIS

Level 1 – Studies of Test Accuracy among consecutive patients

Level 1.a – Systematic review of studies of test accuracy among consecutive patients

Level 1.b – Study of test accuracy among consecutive patients

Level 2 – Studies of Test Accuracy among non-consecutive patients

Level 2.a – Systematic review of studies of test accuracy among non-consecutive patients

Level 2.b – Study of test accuracy among non-consecutive patients

Level 3 – Diagnostic Case control studies

Level 3.a – Systematic review of diagnostic case control studies

Level 3.b – Diagnostic case-control study

Level 4 – Diagnostic yield studies

Level 4.a – Systematic review of diagnostic yield studies

Level 4.b – Individual diagnostic yield study

Level 5 – Expert Opinion and Bench Research

Level 5.a – Systematic review of expert opinion

Level 5.b – Expert consensus

Level 5.c – Bench research/ single expert opinion

Page | 4

LEVELS OF EVIDENCE FOR PROGNOSIS

Level 1 – Inception Cohort Studies

Level 1.a – Systematic review of inception cohort studies

Level 1.b – Inception cohort study

Level 2 – Studies of All or none

Level 2.a – Systematic review of all or none studies

Level 2.b – All or none studies

Level 3 – Cohort studies

Level 3.a – Systematic review of cohort studies (or control arm of RCT)

Level 3.b – Cohort study (or control arm of RCT)

Level 4 – Case series/Case Controlled/ Historically Controlled studies

Level 4.a – Systematic review of Case series/Case Controlled/ Historically Controlled studies

Level 4.b – Individual Case series/Case Controlled/ Historically Controlled study

Level 5 – Expert Opinion and Bench Research

Level 5.a – Systematic review of expert opinion

Level 5.b – Expert consensus

Level 5.c – Bench research/ single expert opinion

Page | 5

LEVELS OF EVIDENCE FOR ECONOMIC EVALUATIONS

Levels

1. Decision model with assumptions and variables informed by systematic review and tailored to fit the decision making context.

2. Systematic review of economic evaluations conducted in a setting similar to the decision makers.

3. Synthesis/review of economic evaluations undertaken in a setting similar to that in which the decision is to be made and which are of high quality (comprehensive and credible measurement of costs and health outcomes, sufficient time period covered, discounting, and sensitivity testing).

4. Economic evaluation of high quality (comprehensive and credible measurement of costs and health outcomes, sufficient time period covered, discounting and sensitivity testing) and conducted in setting similar to the decision making context.

5. Synthesis / review of economic evaluations of moderate and/or poor quality (insufficient coverage of costs and health effects, no discounting, no sensitivity testing, time period covered insufficient).

6. Single economic evaluation of moderate or poor quality (see directly above level 5 description of studies). 7. Expert opinion on incremental cost effectives of intervention and comparator.

Page | 6

LEVELS OF EVIDENCE FOR MEANINGFULNESS

1. Qualitative or mixed-methods systematic review

2. Qualitative or mixed-methods synthesis

3. Single qualitative study

4. Systematic review of expert opinion

5. Expert opinion

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