Characteristics | All abstracts n (%**) | Abstracts of unpublished RCTs n (%**) | Abstracts of published RCTs n (%**) | ||||
---|---|---|---|---|---|---|---|
Characteristics of first authors | |||||||
Primary affiliation | N = 513 | N = 283 | N = 230 | ||||
 | Not reported | 8 | (1.6) | 7 | (2.5) | 1 | (0.4) |
 | Reported | 505 | (98.4) | 276 | (97.5) | 229 | (99.6) |
 |  Academic | 311 | (61.6) | 156 | (56.5) | 155 | (67.7) |
 |  Industry | 31 | (6.1) | 18 | (6.5) | 13 | (5.7) |
 |  Hospital/Clinic | 123 | (24.4) | 76 | (27.5) | 47 | (20.5) |
 |  Other | 40 | (7.9) | 26 | (9.4) | 14 | (6.1) |
Conflicts of interest (COI) (years 2002–2004 only) | N = 400 | N = 229 | N = 171 | ||||
 | Not reported | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) |
 | Reported | 400 | (100.0) | 229 | (100.0) | 171 | (100.0) |
 |  At least one COI | 132 | (33.0) | 65 | (28.4) | 67 | (39.2) |
 |   Financial support* | 75 | (18.8) | 31 | (13.5) | 44 | (25.7) |
 |   Personal finance interest* | 4 | (1.0) | 2 | (0.9) | 2 | (1.2) |
 |   Employee of business with interest* | 17 | (4.3) | 13 | (5.7) | 4 | (2.3) |
 |   Consultant of business with interest* | 43 | (10.8) | 23 | (10.0) | 20 | (11.7) |
 |   Inventor/developer with patent* | 8 | (2.0) | 5 | (2.2) | 3 | (1.8) |
 |   Received gifts within the past year* | 36 | (9.0) | 15 | (6.6) | 21 | (12.3) |
 |  No COI | 268 | (67.0) | 164 | (71.6) | 104 | (60.8) |
Characteristics of last authors | |||||||
Primary affiliation | N = 513 | N = 283 | N = 230 | ||||
 | Not applicable (abstract had one author) | 28 | (5.5) | 8 | (2.8) | 20 | (8.7) |
 | Not reported | 8 | (1.6) | 7 | (2.5) | 1 | (0.4) |
 | Reported | 477 | (93.0) | 268 | (94.7) | 209 | (90.9) |
 |  Academic | 258 | (54.1) | 140 | (52.2) | 118 | (56.5) |
 |  Industry | 85 | (17.8) | 39 | (13.8) | 46 | (22.0) |
 |  Hospital/Clinic | 106 | (22.2) | 69 | (25.8) | 37 | (17.7) |
 |  Other | 28 | (5.9) | 20 | (7.1) | 8 | (3.8) |
COI (years 2002-2004 only) | N = 400 | N = 229 | N = 171 | ||||
 | Not applicable (abstract had one author) | 21 | (5.3) | 8 | (3.5) | 13 | (7.6) |
 | Not reported | 12 | (3.0) | 6 | (2.6) | 6 | (3.5) |
 | Reported | 367 | (91.7) | 215 | (93.9) | 152 | (88.9) |
 |  At least one COI | 103 | (28.1) | 56 | (26.1) | 39 | (25.7) |
 |   Financial support* | 33 | (9.0) | 21 | (9.8) | 12 | (7.9) |
 |   Personal finance interest* | 1 | (0.3) | 1 | (0.5) | 0 | (0.0) |
 |   Employee of business with interest* | 51 | (13.9) | 28 | (13.0) | 23 | (15.1) |
 |   Consultant of business with interest* | 18 | (4.9) | 8 | (3.7) | 10 | (5.9) |
 |   Inventor/developer with patent* | 5 | (1.4) | 3 | (1.4) | 2 | (1.2) |
 |   Received gifts within the past year* | 14 | (3.8) | 7 | (3.3) | 7 | (4.6) |
 |  No COI | 264 | (71.9) | 159 | (74.0) | 113 | (74.3) |
COIs of any author | |||||||
COI |  | N = 513 | N = 283 | N = 230 | |||
 | Not reported | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) |
 | Reported | 513 | (100.0) | 283 | (100.0) | 230 | (100.0) |
 |  At least one COI | 177 | (34.5) | 91 | (32.2) | 86 | (37.4) |
 |   Financial support* | 99 | (19.3) | 49 | (17.3) | 50 | (21.7) |
 |   Personal finance interest* | 6 | (1.2) | 4 | (1.4) | 2 | (0.9) |
 |   Employee of business with interest* | 76 | (14.8) | 40 | (14.1) | 36 | (15.7) |
 |   Consultant of business with interest* | 66 | (12.9) | 32 | (11.3) | 34 | (14.8) |
 |   Inventor/developer with patent* | 13 | (2.5) | 8 | (2.8) | 5 | (2.2) |
 |   Received gifts within the past year* | 55 | (10.7) | 23 | (8.1) | 32 | (13.9) |
 |  No COI | 336 | (65.5) | 192 | (68.9) | 144 | (62.6) |