ORIGINAL ARTICLE

Assessing patients' preferences for characteristics associated with homeopathic and conventional treatment of asthma: a conjoint analysis study

J Ratcliffe¹, R Van Haselen², M Buxton¹, K Hardy², J Colehan¹, M Partridge³

¹ Health Economics Research Group, Brunel University, Uxbridge, Middlesex, UK
² Academic Research Unit, Royal London Homoeopathic Hospital, London, UK
³ Department of Respiratory Medicine, Whipps Cross Hospital, London, UK

Correspondence to:
Correspondence to:
Dr J Ratcliffe, RTI Health Solutions, Research Triangle Institute, Williams House, Manchester Science Park, Manchester M15 6SE, UK;
jratcliffe{at}rti.org

Background: A study was undertaken to investigate the preferences of patients with asthma for attributes or characteristics associated with treatment for their asthma and to investigate the extent to which such preferences may differ between patient subgroups.

Methods: The economic technique of conjoint analysis (CA) was used to investigate patients' strength of preference for several key attributes associated with services for the treatment of asthma. A CA questionnaire was administered to two groups of asthma outpatients aged 18 years or older, 150 receiving conventional treatment at Whipps Cross Hospital (WC) and 150 receiving homeopathic treatment at the Royal London Homoeopathic Hospital (RL).

Results: An overall response rate of 47% (n=142) was achieved. Statistically significant attributes in influencing preferences for both the WC and RL respondents were (1) the extent to which the doctor gave sufficient time to listen to what the patient has to say, (2) the extent to which the treatment seemed to relieve symptoms, and (3) the travel costs of attending for an asthma consultation. The extent to which the doctor treated the patient as a whole person was also a statistically significant attribute for the RL respondents.

Conclusions: This study has shown that aspects associated with the process of delivery of asthma services are important to patients in addition to treatment outcomes. The homeopathic respondents expressed stronger preferences for the doctor to treat them as a whole person than the patients receiving conventional treatment. Overall, the preferences for the attributes included in the study were similar for both groups.

Keywords: asthma; homeopathy; patient preferences; conjoint analysis

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