| PMC full text: | Contemp Clin Trials. Author manuscript; available in PMC 2024 Apr 1. Published in final edited form as: Contemp Clin Trials. 2023 Apr; 127: 107134. Published online 2023 Feb 24. doi: 10.1016/j.cct.2023.107134 |
Table 4.
Measures of cost.
| Cost Type | Construct | Measures | Source | Measurement Schedule |
|---|---|---|---|---|
| Start-Up | Recruitment | Staff time, consultant, and other costs | Staff activity logs; study records and CBO interviews/surveys | Monthly for start-up period; one-time |
| Initial training | Number and duration of trainings | Study records | One-time | |
| Technology development | Staff time, content development costs | Staff activity logs | Monthly for start-up period; one-time | |
| Variable | Shipping and processing HIV and STI test kits | Number of units shipped, STI lab cost per test, staff time per shipment | Study records; staff interviews | Ongoing; one-time |
| Participant contacts | Number of participant contacts, staff time per contact | Participant contact logs; staff interviews | Ongoing; one-time | |
| Time-Dependent | Social media advertisement | Total spending | Study records | Ongoing |
| Booster training and technical assistance | Staff time by arm | CBO and DTC participant tracking logs; staff activity logs | Ongoing; monthly | |
| Other staff activities | Staff time by arm | Staff activity logs; CBO interviews/surveys | Monthly; one-time | |
| Space and occupancy costs | Square feet | Staff interviews | One-time |