Table 2 Differences in perception about trends in ethical problems of editors according to their years of experience
IssueMean score according to years of experiencep Value
⩽5 years>5 years
Undisclosed author conflicts of interest3.483.040.01
Undisclosed commercial involvement3.403.100.03
Ghost authorship3.653.000.04
  • 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.)