Skip to main content

Table 2 Results from multivariable logistic regression analysis for the relationship between trial characteristics and high-enrollment of BIPOC groups

From: Twenty-year trends in racial and ethnic enrollment in large diabetes randomized controlled trials

Trial factors OR (95%CI) P
Year of publication
 2000–2009 Ref -
 2010–2020 1.75 (0.95, 3.22) 0.074
Sample size ≥ 716a 0.98 (0.64, 1.51) 0.944
Diabetes type
 Other Ref -
 Type 2 diabetes 1.44 (1.04, 1.99) 0.027
Enrollment location
 Other Ref -
 Ambulatory 0.55 (0.27, 1.12) 0.097
Random type
 Cluster Ref -
 Individual 1.00 (0.15, 6.69) 0.998
Trial primary objective
 Complication Ref -
 Glucose control 1.48 (0.75, 2.89) 0.256
 Management or mixed 0.86 (0.48, 1.57) 0.628
Intervention
 Type of intervention
  Others Ref -
  Medication 0.82 (0.38, 1.77) 0.617
 Frequency of intervention
  Others Ref -
  Weekly/daily 0.48 (0.26, 0.91) 0.024
 Duration of intervention > 6.5 montha 0.59 (0.37, 0.95) 0.030
Follow-up
 Type of follow-up
  Others Ref -
  Face-to-face 0.71 (0.41, 1.23) 0.221
 Frequency of follow-up
  Other Ref -
  Weekly/monthly 1.28 (0.62, 2.66) 0.503
 Duration of follow-up > 12 monthsa 1.45 (0.88, 2.38) 0.147
Funding source
 Non-industry Ref -
 Industry 0.86 (0.49, 1.53) 0.614
  1. aThe cut-off point was determined by using the median value
  2. Ref reference category/level