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. 2019 Nov 27;4(6):e000580. doi: 10.1136/esmoopen-2019-000580

Table 5.

Answers to selected questionnaire items divided by the knowledge of predatory journals by the participants


Knowledge of predatory journals P value
No (n=57) (%) Yes (n=131) (%)
Gender (n=183)
 Male 38 (20.8) 90 (49.2) 0.515*
 Female 19 (10.4) 36 (19.6)
Highest education
 Resident 12 (6.4) 11 (5.9) <0.001*
 Specialist registrar 7 (3.7) 20 (10.6)
 Consultant 22 (11.7) 19 (10.1)
 Lecturer 3 (1.6) 19 (10.1)
 Professor 10 (5.3) 56 (29.8)
 Miscellaneous 3 (1.6) 6 (3.2)
Working place
 Hospital 20 (10.6) 21 (11.2) <0.001*
 Private practice 16 (8.5) 8 (4.3)
 University-affiliated hospital 19 (10.1) 93 (49.5)
 Miscellaneous 2 (1.1) 9 (4.8)
Do you read scientific literature (Original Articles, Reviews, …)?
 Yes 56 (29.8) 130 (69.1) 0.516†
 No 1 (0.5) 1 (0.5)
Do you have scientific experience?
 Yes 43 (22.9) 127 (67.6) <0.001†
 No 14 (7.4) 4 (2.1)
Are you scientifically active at the moment?
 Yes 30 (16.0) 119 (63.3) <0.001*
 No 27 (14.4) 12 (6.4)
Did you publish any high impact publications in your field?
 Yes 21 (12.4) 93 (55.1) 0.005*
 No 21 (12.4) 34 (20.1)
How many publications did you author as first or last author? (n=169)
 <10 publications 24 (14.2) 31 (18.3) <0.001*
 10–100 publications 17 (10.1) 82 (48.5)
 >100 publications 1 (0.6) 14 (8.3)
How many publications did you co-author? (n=169)
 <10 publications 18 (10.7) 14 (8.3) <0.001*
 10–100 publications 17 (10.1) 84 (49.7)
 >100 publications 7 (4.1) 29 (17.1)
Are you listed as corresponding-author in one of your publication? (n=169)
 Yes 25 (14.8) 107 (63.3) 0.001*
 No 17 (10.1) 20 (11.8)
Do you know the ‘Open Access’ system?
 Yes 41 (21.8) 129 (68.6) <0.001†
 No 16 (8.5) 2 (1.1)
Were you confronted with scientific literature/studies by patients?
 Yes 38 (20.2) 101 (53.7) 0.134*
 No 19 (10.1) 30 (16.0)
Do you receive invitations by journals to contribute an article (Orig. Article, Review, Research Letter, …)?
 Yes 28 (14.9) 114 (60.6) <0.001*
 No 29 (15.4) 17 (9.0)
Do you know how to identify a potentially ‘Predatory Journal’?
 Yes 5 (2.7) 98 (52.1) <0.001†
 No 52 (27.7) 33 (17.6)
Are you aware of the Beall’s List?
 Yes 3 (1.6) 49 (26.1) <0.001†
 No 54 (28.7) 82 (43.6)

*Pearson X2 test.

†Fisher’s exact test.