Table 1.
e-Delphi study results for intervention development reporting items across each e-Delphi round.
| Items | Intervention developers | Wider stakeholder | ||||
| Mode score (% agreement by round) | ||||||
| Round 1 | Round 2 | Round 3 | Round 1 | Round 2 | Round 3 | |
| Report the purpose of the intervention. | 5 (97) | 5 (96) | 5 (100) | 5 (94) | 5 (100) | 5 (100) |
| Report the target population. | 5 (97) | 5 (96) | 5 (100) | 5 (100) | 5 (100) | 5 (100) |
| Report any use of components from an existing intervention. | 5 (84) | 5 (89) | 5 (100) | 4 (89) | 4 (93) | 4 (100) |
| Report how evidence from different sources informed the intervention development. | 5 (93) | 5 (96) | 5 (100) | 5 (83) | 5 (86) | 5 (100) |
| Report how stakeholders contributed to the intervention development process. | 5 (97) | 5 (96) | 5 (100) | 4 (89) | 4 (93) | 4 (94) |
| Report important uncertainties at the end of the intervention development process. | 5 (87) | 5 (93) | 5 (100) | 5 (83) | 5 (86) | 5 (78) |
| Report the context for which the intervention was developed. | 5 (90) | 5 (93) | 5 (96) | 5 (94) | 5 (93) | 5 (100) |
| Report any changes to interventions required or likely to be required for subgroups. | 5 (90) | 5 (89) | 5 (96) | 5 (83) | 4 (93) | 4 (83) |
| Report how any published intervention development approach contributed to the development process. | 5 (83) | 5 (78) | 5 (92) | 4 (67) | 4 (64) | 4 (71) |
| Report how existing published theory informed the intervention development process. | 5 (87) | 5 (89) | 5 (92) | 4 (89) | 5 (93) | 4 (94) |
| Report any guiding principles, people or factors which were prioritised when making decisions. | 5 (81) | 5 (85) | 5 (92) | 4 (72) | 4 (93) | 4 (83) |
| Report how the intervention changed in content and format from the start of the intervention development process.* | 5 (74) | 4 (74) | 5 (88) | 4 (77) | 4 (93) | 4 (94) |
| Report the reasons for discarding intervention components that were considered.* | 5 (74) | 5 (81) | 5 (88) | 4 (78) | 4 (93) | 4 (88) |
| Follow TIDieR guidance when describing the developed intervention. | 5 (76) | 5 (69) | 5 (80) | 4 (100) | 5 (100) | 5 (88) |
| Report the intervention development in an open access format (eg, open access journal, report chapter, website). | 5 (68) | 4 (67) | 4 (77) | 5 (77) | 5 (86) | 5 (89) |
| Report the background and contribution of those making decisions about the intervention content, format and delivery. | 5 (50) | 3 (40) | 3 (42) | 4 (61) | 4 (67) | 4 (67) |
| Report the time taken to develop the intervention. | 4 (52) | 3 (41) | 3 (27) | 3 (33) | 3 (21) | 3 (17) |
| Report who, when, why and where the original idea for developing the intervention came from. | 3 (45) | 3 (30) | 3 (27) | 5 (50) | 4 (64) | 4 (67) |
Items not reaching the threshold for inclusion in round three are shaded.38
*These items were merged into one item (see item 10) following the consensus meeting.
TIDieR, Template for Intervention Description and Replication.