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Qual Life Res. 2019 Jul;28(7):1705-1724. doi: 10.1007/s11136-019-02121-z. Epub 2019 Feb 19.

Patterns, trends and methodological associations in the measurement and valuation of childhood health utilities.

Author information

1
School of Health and Related Research, University of Sheffield, Sheffield, UK.
2
Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK.
3
Program of Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, Canada.
4
Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada.
5
Warwick Clinical Trials Unit, Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK. s.petrou@warwick.ac.uk.

Abstract

PURPOSE:

To systematically assess patterns and temporal changes in the measurement and valuation of childhood health utilities and associations between methodological factors.

METHODS:

Studies reporting childhood health utilities using direct or indirect valuation methods, published by June 2017, were identified through PubMed, Embase, Web of Science, PsycINFO, EconLit, CINAHL, Cochrane Library and PEDE. The following were explored: patterns in tariff application; linear trends in numbers of studies/samples and paediatric cost-utility analyses (CUAs) and associations between them; changes in proportions of studies/samples within characteristic-based categories over pre-specified periods; impact of National Institute for Health and Care Excellence (NICE) guidance on primary UK research and associations between valuation method, age and methodological factors.

RESULTS:

335 studies with 3974 samples covering all ICD-10 chapters, 23 valuation methods, 12 respondent types and 42 countries were identified by systematic review. 34.0% of samples using indirect methods compatible with childhood applied childhood-derived tariffs. There was no association between numbers of studies/samples and numbers of CUAs. Compared to 1990-2008, 2009-June 2017 saw a significant fall in the proportion of studies using case series; significant compositional changes across ICD-10 chapters and significantly higher sample proportions using childhood-specific and adult-specific indirect valuation methods, and based on pre-adolescents, self-assessment, self-administration and experienced health states. NICE guidance was weakly effective in promoting reference methods. Associations between valuation method, age and methodological factors were significant.

CONCLUSION:

1990-2017 witnessed significant changes in primary research on childhood health utilities. Health technology assessment agencies should note the equivocal effect of methodological guidance on primary research.

KEYWORDS:

Childhood health states; Cost–utility analysis; Economic evaluation; Health utility; PRISMA; Systematic review

PMID:
30783876
PMCID:
PMC6571090
DOI:
10.1007/s11136-019-02121-z
[Indexed for MEDLINE]
Free PMC Article

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