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Table 1 Characteristics of the panelists

From: How to select outcome measurement instruments for outcomes included in a “Core Outcome Set” – a practical guideline

Study characteristics Panelists (N = 95)a
Country, number (%)
 Australia 15 (16)
 Canada 14 (15)
 Denmark 7 (7)
 Germany 6 (6)
 The Netherlands 19 (20)
 Spain 5 (5)
 UK 12 (13)
 USA 8 (8)
 Otherb 14 (10)
Background, number (%)c
 Allied health care professional 30 (32)
 Clinimetrician/psychometrician 29 (31)
 Epidemiologist 40 (42)
 Physician 28 (30)
 Statistician 10 (11)
 Otherd 15 (16)
Current profession, number (%)c
 Clinician 26 (27)
 Journal editor 9 (10)
 Researcher 88 (93)
 Othere 10 (11)
Level of experience in COS development, number (%)
 A lot 11 (12)
 Some 28 (30)
 A little 26 (27)
 None 30 (32)
Level of experience in instrument development, number (%)
 A lot 32 (34)
 Some 39 (41)
 A little 12 (13)
 None 12 (13)
Level of experience with evaluation of measurement properties, number (%)
 A lot 44 (46)
 Some 33 (35)
 A little 14 (15)
 None 4 (4)
Level of experience in conducting systematic reviews, number (%)
 A lot 20 (21)
 Some 35 (37)
 A little 19 (20)
 None 21 (22)
  1. aIn some cases, the total numbers are not exactly 100 % because of rounding of percentages to no decimal places
  2. bBrazil (N = 1), France (N = 2), Italy (N = 3), Norway (N = 1), Portugal (N = 1), Switzerland (N = 1)
  3. cAs panelists could tick more than one response option, the total score exceeded 100 %
  4. dTrialist (N = 2), systematic reviewer (N = 1), social research methodologist (N = 2), clinical academic (N = 1), scientific researcher (N = 1), health services researcher (N = 1), clinical psychologist (N = 2), project manager (N = 1), public health (N = 1), academic course writer/teacher (N = 1), clinical researcher (N = 1), human movement scientist (N = 1)
  5. eAcademic (N = 2), consultant for clinical researches (N = 1), research funder (N = 1), Health Technology Assessment consultant (N = 2), educator (N = 1), project manager (N = 1), advisor on research methods (N = 1), director of collaborative centre (N = 1)