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Table 1 Baseline characteristics of clusters and physicians randomized to the control and intervention groups 1,2,3

From: Does access to a colorectal cancer screening website and/or a nurse-managed telephone help line provided to patients by their family physician increase fecal occult blood test uptake?: results from a pragmatic cluster randomized controlled trial

Control                     
Cluster No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 -
No. of Family Physicians (male/female) 4 2/2 2 1/1 1 0/1 3 1/2 1 0/1 1 1/0 9 5/4 2 1/1 1 0/1 3 2/1 1 1/0 1 0/1 1 1/0 3 2/1 1 1/0 1 1/0 3 1/2 1 1/0 1 0/1 -
No. of Patients 145 31 23 72 33 16 245 67 22 90 34 36 40 67 28 30 100 27 36 -
Cluster Screening Rate (%) 34 50 79 74 73 69 55 57 61 59 57 50 70 46 71 77 59 82 51 -
Membership in Primary Care Quality Improvement Initiative Y N N Y Y N Y N N Y N N Y Y Y Y Y Y N -
Electronic Medical Record Y N Y Y Y N Y N N Y Y N N Y Y N N N N -
Intervention                     
Cluster No. 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
No. of Family Physicians (male/female) 2 2/0 1 1/0 1 0/1 1 1/0 1 1/0 3 3/0 5 4/1 1 0/1 3 1/2 3 0/3 1 1/0 1 1/0 2 2/0 2 2/0 1 1/1 2 2/0 1 0/1 6 0/6 1 1/0 3 3/0
No. of Patients 54 10 32 32 20 96 129 5 92 92 30 32 64 61 20 93 29 178 31 99
No. of Patients Utilizing the                     
Patient Aid                     
(Website; Telephone) 4 - - - - 1 1 - 2 4 1 2 1 - - 1 2 3 - 4
Cluster Screening Rate (%) 71 64 66 55 45 62 76 20 64 70 77 79 70 61 80 59 64 63 63 74
Membership in Primary Care Quality Improvement Initiative N Y Y N N N N N N N Y Y N N Y N Y Y Y Y
Electronic Medical Record Y Y N N N Y Y N N N N N Y N N Y N Y Y Y
  1. 1Control treatment group composed of n = 19 clusters, n = 40 family physicians and n = 1,174 patients). Intervention treatment group composed of n = 20 clusters, n = 41 family physicians and n = 1,221 patients.
  2. 2Average FOBT screening rate = 57% (range: 33.8 to 81.5%) compared to 66.6% (range: 20 to 78.8%) for the intervention group (p < 0.0001). Figures 2 and 3 show the screening rates for the control and intervention group clusters and family physicians, respectively.
  3. 3Yes = Y, and No = N.