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Table 1 Professional background and demographic details for survey completers

From: Global health trials methodological research agenda: results from a priority setting exercise

  Round 1 N = 412 Round 2 N = 314
Years of experience working in clinical trials   
 Mean (SD) 7.67 (7.02) 7.89 (7.14)
 Median (IQR) 5 (3, 10) 6 (3, 10)
 Range 1, 45 1, 50
Participant disciplines
 Clinical disciplines 268 (65%) 196 (62%)
  Public health 59 (14%) 47 (15%)
  Infectious diseases 57 (14%) 40 (13%)
  General medicine 48 (12%) 27 (9%)
  Paediatrics 24 (6%) 14 (4%)
  General surgery 17 (4%) 13 (4%)
  Nursing 9 (2%) 7 (2%)
  Obstetrics 8 (2%) 12 (4%)
  Primary care 8 (2%) 7 (2%)
  Psychiatry 8 (2%) 3 (1%)
  Dentistry 5 (1%) 2 (1%)
  Oncology 5 (1%) 4 (1%)
  Physiotherapy 3 (1%) 3 (1%)
  Cardiology 2 (<1%) 1 (< 1%)
  Gynaecology 2 (< 1%) 1 (< 1%)
  Haematology 2 (< 1%) 2 (1%)
  Neurosurgery 2 (< 1%) 1 (< 1%)
  Anaesthesia 1 (< 1%) 1 (< 1%)
  Dermatology 1 (< 1%) 1 (< 1%)
  Ear, nose and throat diseases 1 (< 1%) 1 (< 1%)
  Neurology 1 (< 1%) 0 (0%)
  Nutrition 1 (< 1%) 2 (1%)
  Orthopaedics and trauma 1 (< 1%) 6 (2%)
  Pneumology 1 (< 1%) 0 (0%)
  Rheumatology 1 (< 1%) 1 (< 1%)
  Urology 1 (< 1%) 0 (0%)
 Research methods disciplines 85 (21%) 61 (19%)
  Trials management 37 (9%) 19 (6%)
  Statistics 19 (5%) 16 (5%)
  Data management 13 (3%) 10 (3%)
  Epidemiology 7 (2%) 8 (3%)
  Ethics 3 (1%) 2 (1%)
  Quality assurance 2 (< 1%) 2 (1%)
  Clinical research 2 (< 1%) 2 (1%)
  Health economics 1 (< 1%) 1 (< 1%)
  Information systems 1 (< 1%) 0 (0%)
  Mathematics 0 (0%) 1 (< 1%)
 Laboratory science disciplines 37 (9%) 44 (14%)
  Biomedical sciences 12 (3%) 27 (9%)
  Pharmacy 12 (3%) 10 (3%)
  Parasitology 4 (1%) 5 (2%)
  Immunology 3 (1%) 0 (0%)
  Biology 2 (< 1%) 0 (0%)
  Microbiology 2 (< 1%) 1 (< 1%)
  Biotechnology 1 (< 1%) 1 (< 1%)
  Chemistry 1 (< 1%) 0 (0%)
 Other disciplines 22 (5%) 13 (4%)
  Health management (administration) 6 (1%) 3 (1%)
  Social sciences 6 (1%) 4 (1%)
  Community engagement 3 (1%) 1 (< 1%)
  Complementary medicine 3 (1%) 2 (1%)
  Pharmacology 2 (< 1%) 1 (< 1%)
  Medical devices 1 (< 1%) 0 (0%)
  Pharmacogenomics 1 (< 1%) 0 (0%)
  Global health 0 (0%) 1 (< 1%)
  Environmental heath 0 (0%) 1 (< 1%)
Origin of trial experience
 In a low- to middle-income country (LMIC) only 250 (61%) 196 (63%)
 In both a LMIC and a high-income country (HIC) 100 (24%) 76 (24%)
 In a HIC only 62 (15%) 42 (13%)
Involvement in clinical trials
 Design 240 (58%) 174 (55%)
 Conduct 361 (88%) 267 (85%)
 Analysis 213 (53%) 171 (54%)
 Reporting 257 (62%) 200 (64%)
Current residence by continent
 Africa 210 (51%) 171 (54%)
 Asia 82 (20%) 55 (18%)
 Europe 64 (16%) 41 (13%)
 South America 32 (8%) 30 (10%)
 North America 23 (6%) 16 (5%)
 Australia 1 (< 1%) 1 (< 1%)
  1. SD standard deviation, IQR interquartile range