| Issue | Mean score according to years of experience | p Value | |
| ⩽5 years | >5 years | ||
| Undisclosed author conflicts of interest | 3.48 | 3.04 | 0.01 |
| Undisclosed commercial involvement | 3.40 | 3.10 | 0.03 |
| Ghost authorship | 3.65 | 3.00 | 0.04 |
A score of 3 indicated that the frequency of the problem was not changing and <3 indicated that the problem was increasing. (Results for other issues were not significantly different between the two categories of editor.)