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Gepubliceerd in: Quality of Life Research 8/2017

13-05-2017

Development and refinement of the WAItE: a new obesity-specific quality of life measure for adolescents

Auteurs: Yemi Oluboyede, Claire Hulme, Andrew Hill

Gepubliceerd in: Quality of Life Research | Uitgave 8/2017

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Abstract

Background

Few weight-specific outcome measures, developed specifically for obese and overweight adolescents, exist and none are suitable for the elicitation of utility values used in the assessment of cost effectiveness.

Objectives

The development of a descriptive system for a new weight-specific measure.

Methods

Qualitative interviews were conducted with 31 treatment-seeking (above normal weight status) and non-treatment-seeking (school sample) adolescents aged 11–18 years, to identify a draft item pool and associated response options. 315 eligible consenting adolescents, aged 11–18 years, enrolled in weight management services and recruited via an online panel, completed two version of a long-list 29-item descriptive system (consisting of frequency and severity response scales). Psychometric assessments and Rasch analysis were applied to the draft 29-item instrument to identify a brief tool containing the best performing items and associated response options.

Results

Seven items were selected, for the final item set; all displayed internal consistency, moderate floor effects and the ability to discriminate between weight categories. The assessment of unidimensionality was supported (t test statistic of 0.024, less than the 0.05 threshold value).

Conclusions

The Weight-specific Adolescent Instrument for Economic-evaluation focuses on aspects of life affected by weight that are important to adolescents. It has the potential for adding key information to the assessment of weight management interventions aimed at the younger population.
vorige artikel Quality-of-life: a many-splendored thing? Belgian population norms and 34 potential determinants explored by beta regression
volgende artikel Psychometric validation of the dysmenorrhea daily diary (DysDD): a patient-reported outcome for dysmenorrhea
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Metagegevens
Titel
Development and refinement of the WAItE: a new obesity-specific quality of life measure for adolescents
Auteurs
Yemi Oluboyede
Claire Hulme
Andrew Hill
Publicatiedatum
13-05-2017
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 8/2017
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-017-1561-1

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