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Table 1 Four-step systematic intervention development process and major categories of development activities

From: A micro costing analysis of the development of a primary care intervention to improve the uptake of diabetic retinopathy screening

Four-step systematic intervention development process Major category number Development activity
Step 1 Identify who needs to do what differently 1 Audit and analysis of diabetic retinopathy screening uptake. Included as part of scenario analysis, scenario A.
Step 2 Identify the barriers and enablers to be addressed using theoretical frameworks 2 Qualitative patient interviews
3 Qualitative professional interviews
4 Coding interviews
Step 3 Identify components to address modifiable barriers and enhance enablers Step 3a:
Identify behaviour change techniques & modes of delivery
5 Mapping process
6 Identifying effective PPI recruitment strategies for clinical trials. Included as part of scenario analysis, scenario B.
Step 3b:
Identify feasibility, local relevance and acceptability of the intervention
7 Consensus process
8 Populating the APEASE criteria
9 Intervention design
Step 4 How can behaviour change be measured and understood? 10 Logic model