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. Author manuscript; available in PMC: 2011 Mar 10.
Published in final edited form as: IRB. 2010 Mar–Apr;32(2):7–18.

Table 2.

Sample Characteristics

All Institutions GCRCs SPOREs
Protocol Characteristics n = 139 n = 115 n = 24
Sponsor
 Government 104 (74.8%) 86 (74.8%) 18 (75%)
 Industry 18 (13.0%) 17 (14.8%) 1 (4.2%)
 Other 5 (3.6%) 3 (2.6%) 2 (8.3%)
 Missing 12 (8.6%) 9 (7.8%) 3 (12.5%)
Study type
 Nontreatment 67 (48.2%) 64 (55.7%) 3 (12.5%)
 Tissue procurement/banking only 25 (18.0%) 6 (5.2%) 19 (79.2%)
 Treatment 46 (33.1%) 45 (39.1%) 1 (4.2%)
 Other 1 (0.7%) 0 (0.0%) 1 (4.2%)
Human biological materials collection
 Prospective 127 (91.4%) 112 (97.4%) 15 (62.5%)
 Existing 7 (5.0%) 2 (1.7%) 5 (20.1%)
 Mixed 5 (3.6%) 1 (0.9%) 4 (16.7%)
Genetics
 Primary aim 46 (33.1%) 43 (37.4%) 3 (12.5%)
 Secondary aim 45 (32.3%) 43 (37.4%) 2 (8.3%)
 Future research 23 (16.6%) 12 (10.4%) 11 (45.8%)
 Not mentioned in protocol/consent 25 (18.0%) 17 (14.8%) 8 (33.3%)
Age
 Adult 89 (64.0%) 71 (61.7%) 18 (75%)
 Child 15 (10.8%) 15 (13.0%) 0 (0.0%)
 Adult, child 33 (23.7%) 29 (25.2%) 4 (16.7%)
 Not available in data 2 (1.4%) 0 (0.0%) 2 (8.3%)
Investigator Characteristics n = 130 n = 106 n = 24
Degree
 MD 83 (63.8%) 74 (69.8%) 9 (35.7%)
 MD+ 24 (18.5%) 17 (16.0%) 7 (29.2%)
 PhD 18 (13.9%) 11 (10.4%) 7 (29.2%)
 PhD+ 0 (0.0%) 0 (0.0%) 0 (0.0%)
 Other 3 (2.3%) 2 (1.9%) 1 (4.2%)
 Missing 2 (1.5%) 2 (1.9%) 0 (0.0%)
Rank
 Professor 64 (49.2%) 49 (46.2%) 15 (62.5%)
 Associate professor 26 (20.0%) 22 (20.8%) 4 (16.7%)
 Assistant professor 26 (20.0%) 24 (22.6%) 2 (8.3%)
 Other 5 (3.9%) 3 (2.8%) 2 (8.3%)
 Missing 9 (6.9%) 8 (7.6%) 1 (4.2%)
Institutional Characteristics n = 36 n = 17 n = 19
 Public 18 (50%) 10 (58.9%) 8 (42.1%)
 Private 18 (50%) 7 (41.1%) 11 (57.9%)
 Geographic location
  Northeast 8 (22.2%) 4 (23.5%) 4 (21.1%)
  Southeast 8 (22.2%) 2 (11.8%) 6 (31.6%)
  Midwest/central 9 (25%) 5 (29.4%) 4 (21.1%)
  West 11 (30.6%) 6 (35.3%) 5 (26.3%)