Predatory, N = 93, n (%) | Open Access, N = 99, n (%) | Subscription-based, N = 100, n (%) | ||
---|---|---|---|---|
COPE mentioned | Yes | 13 (13.98) | 77 (77.78) | 33 (33.00) |
Publication ethics technologies: | ORCID | 2 (2.15) | 9 (90.91) | 3 (3.00) |
Crossref | 10 (10.75) | 23 (23.23) | 7 (7.00) | |
Crossmark | 0 (0) | 1 (1.01) | 2 (2.00) | |
Crosscheck/iThenticate | 1 (1.08) | 57 (57.58) | 16 (16.00) | |
none | 81 (87.10) | 40 (40.40) | 77 (77.00) | |
Retraction policy | Yes | 12 (12.90) | 44 (44.44) | 68 (68.00) |
Corrections or errata policy | Yes | 22 (23.66) | 50 (50.51) | 50 (50.00) |
Plagiarism policy | Yes | 44 (47.31) | 70 (70.71) | 49 (49.00) |
Instructions to authors available | Yes | 90 (96.77) | 98 (98.99) | 97 (97.00) |
If yes, manuscript preparation guidancea | Yes | 86/90 (95.56) | 98/98 (100) | 97/97 (100.00) |
If yes, reporting guideline(s) mentioneda | EQUATOR | 0/90 (0.00) | 25/98 (25.25) | 24/97 (24.00) |
CONSORT | 4/90 (4.44) | 37/98 (37.76) | 57/97 (58.76) | |
PRISMA | 1/90 (1.11) | 26/98 (26.53) | 32/97 (32.99) | |
STROBE | 1/90 (1.11) | 27/98 (27.55) | 23/97 (23.71) | |
STARD | 1/90 (1.11) | 29/98 (29.59) | 22/97 (22.68) | |
Otherb | 2/90 (2.22) | 30/98 (30.61) | 27/97 | |
None | 85/90 (91.40) | 54/98 (54.55) | 35/97 (35.00) | |
Study registration required | Yes | 6 (6.45) | 56 (56.57) | 62 (62.00) |