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Quality of Life Research
Gepubliceerd in:

01-04-2009

Measures of asthma control and quality of life: longitudinal data provide practical insights into their relative usefulness in different research contexts

Auteurs: Madeleine T. King, Patricia M. Kenny, Guy B. Marks

Gepubliceerd in: Quality of Life Research | Uitgave 3/2009

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Abstract

Purpose

To further our understanding of the relationships between asthma control and health-related quality of life (HRQOL) and provide insights into the relative usefulness of various measures in different research contexts. We present a conceptual model and test it with longitudinal survey data.

Methods

Participants recruited via population sampling and hospital Emergency Departments completed questionnaires every 6 months for up to 3 years. Measures included: sleep disturbance, use of short-acting beta agonists (SABA), activity limitation, urgent medical visits, hospital use, Marks’ Asthma Quality of Life Questionnaire (AQLQ-M) and the SF-36 Health Survey. Correlation analysis and multi-level models tested predictions from the conceptual model.

Results

A total of 213 people with asthma aged 16–75 years provided 967 observations. Correlations between asthma control and asthma-specific HRQOL were stronger than those between asthma control and generic HRQOL. The asthma control variables explained 54–58% of the variance in asthma-specific HRQOL and 8–25% of the variance in generic HRQOL. Activity limitation was the main contributor to between-person variation, while sleep disturbance and SABA use were the main contributors to within-person variation.

Conclusions

Sleep disturbance and SABA use may be most useful in evaluating treatment effectiveness, while activity limitation may be better when monitoring the impact of asthma in populations.
vorige artikel Discrimination experience and quality of life among rural-to-urban migrants in China: the mediation effect of expectation–reality discrepancy
volgende artikel Evaluation of the methodological quality of systematic reviews of health status measurement instruments
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Metagegevens
Titel
Measures of asthma control and quality of life: longitudinal data provide practical insights into their relative usefulness in different research contexts
Auteurs
Madeleine T. King
Patricia M. Kenny
Guy B. Marks
Publicatiedatum
01-04-2009
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 3/2009
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-009-9448-4

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Discrimination experience and quality of life among rural-to-urban migrants in China: the mediation effect of expectation–reality discrepancy

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