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How the public classify complementary medicine: a factor analytic study
1Department of Psychology, University College, London, UK. ucjtsaf@ucl.ac.uk
Objectives:
To see how lay people group or classify various CAM therapies.
Design:
Nearly 600 adults rated 39 relatively familiar branches of complementary medicine on four dimensions: whether they had heard of it, whether they think they know how it works; whether they had tried it; and a rating of efficacy on a 10-point scale.
Results:
As predicted those most heard of were acupuncture, aromatherapy, herbal medicine, hypnosis, massage and yoga while those with lowest ratings were autogenic training, ayurveda, biochemic tissue salts, chelation cell therapy and ozone therapy. A number of multivariate statistical techniques were used to attempt to investigate the perceived dimensional structure of the different therapies. Slightly different structures emerged depending on the question asked and the analysis computed.
Conclusion:
The 'bottom-up' empirically derived taxonomization of therapies was interpretable and showed 10 different factors. The issue of classifying or taxonomizing complementary medicines is discussed.
