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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Contemp Clin Trials. 2013 Jan 5;34(2):320–325. doi: 10.1016/j.cct.2012.12.008

Table 1.

Summary Statistics of CCOP Enrollment in NCI-Sponsored Cancer Control Trials, 2011

Sample Mean or Percent* Entire Sample (n=46) Range (Min, Max)
Dependent Variable

 Patient Enrollment in NCI- Sponsored Cancer Control Trials 108.67 (91.36) (17,407)

Independent Variables

 Number of Open Cancer Control Trials 20.83 (9.92) (5,45)
 Number of Newly Diagnosed Patients 5801.80 (4923.84) (238, 28746)
 Total Number of CCOP Staff 19.14 (13.36) (2,79.7)
 Total Number of Staff Dedicated to Enrolling Patients in Cancer Prevention and Control Trials 3.63 (5.66) (0,26)
  CCOPs with No Staff Dedicated to Prevention and Control Trials 23.91%
  CCOPs with One Staff Member Dedicated to Prevention and Control Trials 19.57%
  CCOPs with More than One Staff Member Dedicated to Prevention and Control Trials 56.52%
Recognition of Physicians for Enrolling Patients into Clinical Trials
  Yes 60.87%
  No 39.13%
Expectations for Physicians to Enroll Patients into Clinical Trials
  Yes 34.78%
  No 65.22%
*

Standard deviations in parenthesis