Table 6. Commenting on study funding and conflicts of interest by authors, peer reviewers and editors.
| Sample 1 15 | Sample 2 15 | |
|---|---|---|
| Authors (comments in their response letters) | N = 144 | N = 115 |
| Authors commenting on study funding | 5 (3) | 1 (1) |
| Authors commenting on peer reviewers’ COI | 0 (0) | 0 (0) |
| Authors commenting on the editors’ COI | 0 (0) 16 | 0 (0) 17 |
| Authors commenting on their own COI | 2 (2) | 0 (0) |
| Peer reviewers | N = 330 | N = 263 |
| Peer reviewer commenting on study funding | 1 (1) | 4 (2) |
| Peer reviewer commenting on authors’ COI | 3 (1) | 2 (1) |
| Peer reviewer commenting on their own COI | 2 (1) | 1 (1) |
| Peer reviewer commenting on editors’ COI | 0 (0) | 0 (0) |
| Editors | N = 16 | N = 15 |
| Editor commenting on study funding | 4 (25) | 1 (7) |
| Editor commenting on author’s COI | 0 (0) | 0 (0) |
| Editor commenting on their own COI | 0 (0) | 0 (0) |
| Editor commenting on peer reviewers’ COI | 0 (0) | 0 (0) |
15 sample 1 includes articles of any type of original research. Sample 2 is restricted to only randomized controlled trials (RCTs)
16 Denominator is the number of editors who had their letters posted publicly for the authors: /16 in sample 1
17 Denominator is the number of editors who had their letters posted publicly for the authors: /15 in sample 2