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Table 3 Cost of major category development activities in systematic intervention development process (base scenario)

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

Step Major category number Development activity Indirect cost Direct cost Total cost
Step 1 1 Audit and analysis of diabetic retinopathy screening uptake 0.00 0.00 0.00
Step 2 2 Qualitative patient interviews 5,350 3,888 9,238
Step 2 3 Qualitative professional interviews 4,251 3,165 7,416
Step 2 4 Coding interviews 1,500 0 1,500
Step 3a 5 Mapping process 2,382 0 2,382
Step 3a 6 Identifying effective PPI recruitment strategies for clinical trials 1611 0 1611
Step 3b 7 Consensus process 12157 1746 13,903
Step 3b 8 Populating the APEASE criteria 2,514 105 2,619
Step 3b 9 Intervention design 1,458 130 1588
Step 4 10 Logic model 229 0 229
Total cost    31,451 9,034 40,485