Assessment of the added value of a tubeless pump: A time trade‐off ( time trade-off (TTO) ) study for utility elicitation of insulin delivery systems in type 1 diabetes mellitus ( T1D )
Authors' conclusion
This study elicited utility values for health states representing insulin delivery modalities in T1D. Results suggested that tubeless and AID systems are associated with higher health state utility in T1D, indicating that people with T1D using such systems may experience improved HRQoL.
Study context
- Population
- General population in the United Kingdom (UK) valuing health state vignettes of insulin delivery modalities in T1DUK general population
- Participants
- 110 participants
- Comparison
- Insulin delivery modalities: tubeless vs tubed, automated insulin delivery (AID) vs non-AID
- Outcome
- Health state utility values elicited by TTO
Methodological detailshealth state vignettes, general population sample, Vignettes developed from interviews with people with T1D and published literature, validated by experts
- Health state vignettes
- General population sample
- Vignettes developed from interviews with people with T1D and published literature, validated by experts
Main finding
As reported in the abstract
Mean utility value
Tubed non-AID
0.727
mean
Tubeless AID
0.909
mean
- Tubeless vs tubed systems: significant increase in utility
- between + 0.082 and + 0.086 (p < 0.005)
- AID vs corresponding alternatives: significant increase in utility
- between +0.096 and +0.100 (p < 0.0005)
- Tubeless AID: significantly increased utility vs all other health states
- P < 0.0001
Original publication
Assessment of the added value of a tubeless pump: A time trade‐off ( TTO ) study for utility elicitation of insulin delivery systems in type 1 diabetes mellitus ( T1D ). Diabet Med. Published 30 October 2025. doi:10.
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