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. 2018 Apr 23;18:533. doi: 10.1186/s12889-018-5456-z

Table 6.

Journal policy requirements for financial conflict of interest (COI) disclosure (N = 163)

n (%)
Disclosure of financial relationships 145 (89%)
Of author(s) 145 (89)
Of author’s institution 40 (25)
Of author’s family member(s) 17 (10)
Not explicitly required 18 (11)
Of other 1 (0)
Types of financial disclosure
Stock ownership 83 (51)
Grant/research support 73 (45)
Direct employment 73 (45)
Serving as an advisor, consultant, or public advocate 70 (43)
Honoraria for speaking, writing, or reviewing on the topic discussed in the manuscript 53 (33)
Personal fees 50 (31)
Indirect financial support 47 (29)
Speaker bureaus or board membership 37 (23)
Royalties 26 (16)
Other type of financial COI 4 (3)
Required but did not specify which types of financial COI 40 (25)
Not required 28 (17)
Duration for which to disclose financial COI
Not specified 142 (87)
Yes, for the previous number of months 20 (12)
Yes, irrespective of timing (i.e., at any time) 1 (1)
Number of months of required duration (N = 20)
Within 12 months 0 (0)
12 months 0 (0)
24 months 1 (5)
36 months 18 (90)
4 years 0 (0)
5 years 1 (5)
  > 5 years 0 (0)
Time frame for financial COI disclosure
Time of the submission 11 (7)
At the initiation of the study 5 (3)
Not specified 4 (3)
Required disclosure of financial COI in the near future 12 (7)
Required duration of financial COI outside submitted work 1 (0)
Explicitly required source of financial benefit 64 (39)
Required monetary value of financial benefit
Not required 162 (100)
Yes, irrespective of amount 1 (0)
Yes, for amounts above a specific value 0 (0)
Required disclosure of any patents 63 (41)