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Table 1 GP Practice and GP characteristics in recruiting and non-recruiting GPs

From: Barriers and facilitators to patient recruitment to a cluster randomized controlled trial in primary care: lessons for future trials

  Group 1 GPs who recruited patients N = 40 Group 2 GPs who did not recruit patients N = 15*
GP age 54.3 ± 9.0 52.3 ± 11.5
% female 40 67
Number of asthma or COPD training events attended by GP in 12 months prior to study enrolment 0.40 ± 0.50 0.60 ± 0.51
% GP practicing in location of social disadvantage 53 60
Number of years practicing as a GP 22.4 ± 11.24 19.3 ± 11.7
Number of months between GP enrolment and first patient enrolled 2.95 ± 3.96 -----
Total number of GPs working in practice 4.65 ± 4.6 5.33 ± 2.73
Full time equivalent GPs working in practice 3.01 ± 3.1 2.75 ± 1.0
% GPs working in practice training registrars 23 33
% GPs working in practice training medical students 49 60
Average number of patients seen by GP per week 165.9 ± 185.9 120.0 ± 69.5
Average number of asthma patients seen by GP per week 8.56 ± 7.3 12.40 ± 10.8
  1. All variables mean ± SD except where indicated.
  2. *Three GPs continued to study end but did not enroll patients, twelve dropped out or were lost to follow up (sample sizes were too small to make comparison between these sub-groups).
  3. Social disadvantage at GP practice location: ‘Disadvantaged’ SEIFA Quintile ≤3, ‘Advantaged’ SEIFA Quintile: 4–5.
  4. Range 0–14.8; Median (IQR): 1.25 (0.25, 4.24).
  5. 42 GPs (n = 37 who enrolled patients, n = 5 who did not enroll patients) provided data for these variables.