Open Access Research article

Features of asthma management: quantifying the patient perspective

John Haughney1*, Monica Fletcher2, Stephanie Wolfe3, Julie Ratcliffe4, Roger Brice5 and Martyn R Partridge6

Author Affiliations

1 University of Aberdeen, Department of General Practice and Primary Care Aberdeen, AB25 2AY, UK

2 Education For Health, Chief Executive, Warwick, CV34 4AB, UK

3 Thorpewood Medical Group, Respiratory Nurse, Norwich, NR7 9QL, UK

4 University of Sheffield, Health Economics and Decision Science, Sheffield, S10 2TN, UK

5 Adelphi Group LTD, Research Director, Macclesfield, SK10 5JB, UK

6 Imperial College, Chair in Respiratory Medicine, London, W6 8RP, UK

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BMC Pulmonary Medicine 2007, 7:16  doi:10.1186/1471-2466-7-16

Published: 6 December 2007

Additional files

Additional file 1:

Discrete choice experiment in practice: a lay example. Discrete choice experiment, a form of conjoint analysis, allows not only a rank order of importance to be identified but also allows the distance between features, the degree of importance, to be measured. This very example was used in our study to introduce participants to the concept.

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Additional file 2:

More examples of SET CHOICES given to patients. The questionnaire presented respondents with nine pairs of choices relating to their asthma

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Additional file 3:

Analysis of the direct choice experiment. The overall relative importances of attributes at both individual and aggregate (group) levels, and shifts in utility values between each level within each attribute were calculated

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