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Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Where to be careful when developing.

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Presentation on theme: "Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Where to be careful when developing."— Presentation transcript:

1 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Where to be careful when developing and evaluating a complex intervention!! Experiences from presented and other projects in the field of primary health care

2 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Development 1. Identifying the evidence base 2. Identifying /developing theory 3. Modelling process and outcomes Feasibility/piloting 1. Teting procedures 2. Estimating recruitment 3. Sample size Evaluation 1. Effectiveness 2. Change process 3. Cost effectiveness Implementation 1. dissemination 2. Surveillance/monitoring 3. Long term follow up

3 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Development 1. Identifying the evidence base 2. Identifying /developing theory 3. Modelilng process and outcomes Feasibility/piloting 1. Testing procedures 2. Estimating recruitment 3. Sample size Evaluation 1. Effectiveness 2. Change process 3. Cost effectiveness Implementation 1. dissemination 2. Surveillance/monitoring 3. Long term follow up

4 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Development 1. Identifying the evidence base 2. Identifying /developing theory 3. Modelilng process and outcomes Feasibility/piloting 1. Testing procedures 2. Estimating recruitment 3. Sample size Evaluation 1. Effectiveness 2. Change process 3. Cost effectiveness Implementation 1. dissemination 2. Surveillance/monitoring 3. Long term follow up

5 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Evaluation, eksperimental designs Randomisation: robust, preventing selection bias Individually Cluster Stepped wedge Preference trials/prerandomisation N -of-1 design

6 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Evaluation, non - eksperimental designs when: Irreversible intervention Under the way Widespread use Effect is small Long time before effect Cost of study – justified?

7 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Development 1. Identifying the evidence base 2. Identifying /developing theory 3. Modelilng process and outcomes Feasibility/piloting 1. Testing procedures 2. Estimating recruitment 3. Sample size Evaluation 1. Effectiveness 2. Change process 3. Cost effectiveness Implementation 1. dissemination 2. Surveillance/monitoring 3. Long term follow up

8 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Development 1. Identifying the evidence base 2. Identifying /developing theory 3. Modelilng process and outcomes Feasibility/piloting 1. Testing procedures 2. Estimating recruitment 3. Sample size Evaluation 1. Effectiveness 2. Change process 3. Cost effectiveness Implementation 1. dissemination 2. Surveillance/monitoring 3. Long term follow up

9 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Development 1. Identifying the evidence base 2. Identifying /developing theory 3. Modelilng process and outcomes Feasibility/piloting 1. Testing procedures 2. Estimating recruitment 3. Sample size Evaluation 1. Effectiveness 2. Change process 3. Cost effectiveness Implementation 1. dissemination 2. Surveillance/monitoring 3. Long term follow up

10 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University MRC: Developing and evaluating complex intervention: new guidance 2008 www.mrc.ac.uk/complexinterventionsguidance

11 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Good questions to your project? 1.Have you conducted a systematic review 2.Who is the intervention aimed at? 3.Can you describe the intervention fully? 4.Have you done enough piloting 5.Effect sizes? 6... 7... 8... 9.Reporting: CONSORT, STROBE (obeservational), TREND (non- randomised), EQUATOR (health research) 10... 11...

12 Annelli Sandbæk MD, ph.d, Ass Professor School of Public Health, Departement of General Practice Aarhus University Workshop – Complex interventions Session - Room 10 15.30 – 17.00

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