Endorsement of international standards |
10 (18 %) |
9 (82 %) |
18.90, P < 0.001 |
Description of process of manuscript evaluation |
43 (75 %) |
9 (82 %) |
0.209, P = 0.648 |
Redundant publication |
43 (75 %) |
7 (64 %) |
0.660, P = 0.417 |
Authorship policy |
23 (40 %) |
7 (64 %) |
2.03, P = 0.154 |
Contributorship policy |
9 (16 %) |
6 (55 %) |
8.06, P = 0.005 |
Conflicts of interest |
21 (37 %) |
6 (55 %) |
1.21, P = 0.272 |
Requirements on disclosure of sources of financial support |
16 (28 %) |
4 (36 %) |
0.305, P = 0.580 |
Requirements on ethical conduct of biomedical research with human subjects |
26 (46 %) |
8 (73 %) |
2.71, P = 0.100 |
Requirements on ethical conduct of biomedical research with non-human subjects |
27 (47 %) |
3 (27 %) |
1.51, P = 0.219 |
Ethical review by institutional review board |
25 (44 %) |
3 (27 %) |
1.05, P = 0.306 |
Mandatory registration of clinical trials |
1 (2 %) |
1 (9 %) |
1.74, P = 0.187 |
Privacy rights and confidentiality statements |
11 (19 %) |
5 (45 %) |
3.51, P = 0.061 |
Copyright or license-to-publish |
37 (65 %) |
3 (27 %) |
5.39, P = 0.020 |
Image manipulation |
0 (0 %) |
2 (18 %) |
10.70, P = 0.001 |
Conflicts of editors as authors in own journals |
1 (2 %) |
1 (9 %) |
1.74, P = 0.187 |