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08-06-2018 | Uitgave 9/2018 Open Access

Quality of Life Research 9/2018

Utility elicitation in adults and children for allergic rhinoconjunctivitis and associated health states

Tijdschrift:
Quality of Life Research > Uitgave 9/2018
Auteurs:
Jenny Retzler, Tobias Sydendal Grand, Anne Domdey, Adam Smith, Mercedes Romano Rodriguez
Belangrijke opmerkingen

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s11136-018-1910-8) contains supplementary material, which is available to authorized users.

Abstract

Purpose

Allergic rhinitis and asthma symptoms are detrimental to health-related quality of life (HRQoL). Health technology appraisal agencies often require cost–utility analysis when assessing new interventions. Appropriate utility estimates, which quantify the value of different conditions in cost–utility analyses, are scarce for allergic rhinitis and asthma health states. This study aimed to generate utilities for allergic rhinitis and asthma health states from a European general population sample of adults and children.

Methods

Health state descriptions incorporating symptoms, impact of symptoms on daily life and symptom treatment were developed using clinical guidelines. Descriptions were amended with clinician and patient input, and incorporated into a survey in which each health state was followed by a standard gamble (adults) or visual analogue scale (children) item. The survey was distributed to samples of adults and children aged 8 to 11 from four European countries that were stratified to represent the general population within that country.

Results

1454 adults and 1082 children completed the survey. Mean health utilities ranged from 0.635 to 0.880 and those elicited in children were lower (0.635 to 0.705) than those elicited in adults (0.812 to 0.880). Disutilities assessing the impact of increased allergic rhinitis severity and comorbidities were also greater in children than in adults.

Conclusions

Symptoms of allergic rhinitis and asthma were valued as having a clinically meaningful impact on HRQoL. Children valued health states as poorer than adults, and further research should investigate whether this reflects true preferential differences or results from methodological and/or comprehension differences between the two groups.

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Extra materiaal
Supplementary material Final (DOCX 66 KB)
11136_2018_1910_MOESM1_ESM.docx
Final Adult Survey (DOCX 34 KB)
11136_2018_1910_MOESM2_ESM.docx
Final Child Survey (DOCX 306 KB)
11136_2018_1910_MOESM3_ESM.docx
Literatuur
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