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Health and Quality of Life Outcomes

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Open Access 01-12-2005 | Research

Modification of the asthma quality of life questionnaire (standardised) for patients 12 years and older

Authors: Elizabeth F Juniper, Klas Svensson, Ann-Christin Mörk, Elisabeth Ståhl

Published in: Health and Quality of Life Outcomes | Issue 1/2005

Abstract

Background

The age limit for some adult asthma clinical trials has recently been lowered to 12 years. In this study we have made minor modifications to the standardised version of the adult Asthma Quality of Life Questionnaire (AQLQ(S)) to make it valid for patients 12 years and older (AQLQ12+).

Methods

We have used two clinical trial databases, in which the AQLQ12+ was used, to compare the measurement properties of the questionnaire in patients 12–17 years and patients 18 years and older. A total of 2433 patients (12–75 years), with current asthma and with data that could be evaluated both at randomisation and end of treatment, were included.

Results

The analysis showed that internal consistency, responsiveness and correlations with other clinical indices were very similar in patients 12–17 years and patients 18 years and older.

Conclusion

The measurement properties of the AQLQ12+ are similar in adolescents and adults and therefore the instrument is valid for use in adult studies which include children 12 years and older.

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Title: Modification of the asthma quality of life questionnaire (standardised) for patients 12 years and older
Authors: Elizabeth F Juniper
Klas Svensson
Ann-Christin Mörk
Elisabeth Ståhl
Publication date: 01-12-2005
Publisher: BioMed Central
Published in: Health and Quality of Life Outcomes / Issue 1/2005
Electronic ISSN: 1477-7525
DOI: https://doi.org/10.1186/1477-7525-3-58

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Modification of the asthma quality of life questionnaire (standardised) for patients 12 years and older

Abstract

Background

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

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