Overview of variables and measurements in Stepstones-DIAB
| Variables/indicators | Measurement | Time point | Source |
| Primary outcome | |||
| Patient empowerment | Gothenburg Young Persons Empowerment scale (DIAB)29 | T0, T1, T2 | A |
| Secondary outcomes | |||
| Generic | |||
| Health behaviour | Health Behaviour Scale32 | T0, T1, T2 | A |
| Diabetes specific | Diabetes duration Insulin administration (MDI/CSII) Blood glucose testing (SMBG/CGM/isCGM) | T0 | NDR |
| Glycaemic control | HbA1c, hypoglycaemic events, diabetic ketoacidosis | T0, T1, T2 | NDR |
| Diabetes burden | Check your health33 | T0, T1, T2 | A |
| HRQoL/level of control | DisabKids Chronic Generic Measure-1234–36 Disabkids Diabetes Module-1034 36 37 | T0, T1, T2 | A |
| Transfer specific | |||
| Transition readiness | Readiness for Transition Questionnaire38 | T0, T1, T2 | A+P |
| Uncertainty (parents) | Uncertainty Scale (Linear Analogue Scale)39 | T0, T1, T2 | P |
| Clinical indicators | Clinic attendance rates, pretransfer and post-transfer Time between last visit in PC and first visit in AC | T2 | Admin |
| Transitional Care Experiences Questionnaire | In progress | T2 | A |
A, adolescents; AC, adult care; CGM, continuous glucose monitoring; CSII, continuous Ssubcutaneous Iinsulin Iinfusion; HbA1c, glycated haemoglobin; isCGM, intermittent scanning continuous glucose monitoring; MDI, multiple daily injection; NDR, National Diabetes Registry; p, parents; PC, paediatric care; SMBG, self-monitoring blood glucose testing.