Original Article

GP Participation and Recruitment of Patients to RCTs: Lessons from Trials of Acupuncture and Exercise for Low Back Pain in Primary Care

Table 3

Factors that impact on GPs willingness to refer patients into the trials.

Exercise trial ( )Acupuncture trial ( )

Main factors reducing GPs willingness to refer patients

 Patients only had a 50% or 237
66% chance of being offered exercise/acupuncture
 Personal time constraints within the consultation183
 Uncertainty of the benefits of exercise/acupuncture71
 Patient already receiving other treatment modalities379
 Difficulty of patients attending exercise class/acupuncture clinic (travel?)172

Main factors increasing GP willingness to refer

 Desire to support research4923
 Exercise/acupuncture available as an additional treatment option20
 Belief in potential benefits and/or importance of exercise/acupuncture1219
 Positive feedback from patients who have received treatment4618

Feedback on main entry requirements for patients into the study

  Clear (Yes/No)52/727/0
  Easy to apply (Yes/No)43/1426/1
  East to remember (Yes/No)33/2522/5

Effectiveness of methods of maintaining a high profile for trial

 Project reminder letters (Yes/No)49/523/3
 Project logo (Yes/No)25/2420/7
 Project updates (Yes/No)46/921/5
 Use of the unique referral forms   (Yes/No)48/6n/a
 Personal practice visits (Yes/No)30/19n/a
 Phone calls from study  researcher (Yes/No)n/a15/11
 Patient acknowledgement letters   (Yes/No)n/a25/2
 Patient discharge letters   (Yes/No)n/a21/5
 Trial information posters in surgery waiting rooms   (Yes/No)n/a12/12