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Utility Estimation for Pediatric Vesicoureteral Reflux: Methodological Considerations Using an Online Survey Platform
Rohit Tejwani1, Hsin-Hsiao S Wang1, Jessica C Lloyd1
1Division of Urologic Surgery, Duke University Medical Center, Durham, North Carolina.
The Journal of Urology
|October 18, 2016
Summary
Online surveys show that the perspective used (child, parent, or dyad) significantly impacts utility estimates for pediatric conditions like vesicoureteral reflux. Warm-up scenarios did not affect these health utility values.
Area of Science:
- Health Economics
- Pediatric Health Outcomes
Background:
- Estimating pediatric health utilities lacks methodological consensus.
- Disagreements exist on sampling, perspective (patient vs. parent), and potential bias.
Purpose of the Study:
- To evaluate methodological factors impacting utility estimates for pediatric vesicoureteral reflux.
- To assess the influence of respondent perspective and warm-up scenarios on utility values.
Main Methods:
- Cross-sectional surveys utilized a time trade-off instrument via Amazon Mechanical Turk.
- Respondents were randomized to child, parent, or dyad perspectives.
- A generalized linear model analyzed factors influencing utility estimates.
Main Results:
- Utility estimates were significantly influenced by respondent perspective (higher in child group).
- Parent and dyad perspectives yielded lower utility values compared to the child perspective.
- Warm-up scenarios did not significantly affect vesicoureteral reflux utility estimates.
Conclusions:
- Respondent perspective is a critical factor in online utility estimations for pediatric conditions.
- Warm-up scenarios do not appear to influence these health utility estimates.
- Findings have implications for future pediatric utility elicitation methodologies.
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