Knowledge, attitude and practice among Chinese acupuncturists receiving sham and/or placebo acupuncture: a cross-sectional survey.

Background: Placebo and sham acupuncture are common control strategies in acupuncture studies. However, the perception and practice of these approaches in acupuncturists are poorly documented.

Objective: To investigate knowledge of, attitude towards and practice of sham and/or placebo acupuncture among Chinese acupuncturists.

Methods: A cross-sectional survey conducted in six different tertiary care hospitals of traditional Chinese medicine in Beijing, China. A total of 92 licensed acupuncturists were asked to complete a predesigned and structured questionnaire on-site.

Results: A response rate of 92.4% (n=85) was achieved. Almost all participants (99%, n=84) had moderate knowledge about sham and/or placebo acupuncture, but only a minority (27%, n=23) reported an excellent understanding. The general attitude towards sham and/or placebo acupuncture was positive. Most respondents (99%, n=84) thought such controls were necessary and the majority (81%, n=69) believed they were feasible in acupuncture research. More than two-thirds of participants (71%, n=60) had applied sham and/or placebo acupuncture, but only a few (8%, 5/60) used it as the most common control strategy in clinical trials.

Conclusions: The result of our survey suggests that Chinese acupuncturists have a moderate knowledge of, and a positive attitude towards, sham and/or placebo acupuncture. Research into sham and/or placebo acupuncture is limited in comparison with other control strategies. Therefore, an in-service education programme for acupuncturists and standardisation of sham and/or placebo acupuncture need to be developed.