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Table 2 Respondents’ support of clinical trial data sharing, stratified by trialist and trial characteristics

From: Predictors of clinical trial data sharing: exploratory analysis of a cross-sectional survey

  ‘The clinical research community should promote and facilitate clinical trial data sharing’
  Respondents Agree (%) Disagree (%) P value
Overall 317 278 (88) 39 (12)  
Trialist academic productivity (number of research articles published in past three years)     0.22
     1 to 10 articles 71 66 (93) 5 (7)  
     11 to 25 articles 117 103 (88) 14 (12)
     >25 articles 129 109 (85) 20 (16)
Trialist geographic location     0.17*
     United States or Canada 167 141 (84) 26 (16)  
     Western Europe 113 104 (92) 9 (8)
     Other 37 33 (89) 4 (11)
Trial funding source     0.07*
     Government 120 108 (90) 12 (10)  
     Industry or mixed funding 152 127 (84) 25 (16)
     Other 45 43 (96) 2 (4)
Trial size     0.71
     ≤239 subjects 80 69 (86) 11 (14)  
     240 to 2,016 subjects 158 141 (89) 17 (11)
     ≥2,017 subjects 79 68 (86) 11 (14)
Journal in which the trial was published     0.01*
     NEJM 113 92 (81) 21 (19)  
     Lancet 70 61 (87) 9 (13)
     JAMA 43 36 (84) 7 (16)
     Annals of Internal Medicine 24 23 (96) 1 (4)
     The BMJ 53 52 (98) 1 (2)
     PLoS Medicine 14 14 (100) 0 (0)
  1. *Fisher exact test. JAMA, Journal of the American Medical Association; NEJM, New England Journal of Medicine.