Does pharmaceutical advertising affect journal publication about dietary supplements?

Table 4 Articles concluding DS are Unsafe or Ineffective

Characteristics	N Unsafe/All DS articles (%)	Among Clinical or Cohort Trials	Among Editorials	Among Reviews	N Unsafe/TOTAL MAJOR ARTICLES
*UNSAFE*
Most Pharmads	5/35 (14)	0/0 (0)	1/1 (100)	1/2 (50)	2/3 (67)*
Middle Pharmads	16/142 (11)	1/30 (3)	0/15 (0)	0/2 (0)	1/47 (7)
Fewest Pharmads	3/77 (4)	0/14 (0)	1/11 (9)	0/3 (0)	1/27 (4)
CAM Journals	1/88 (1)	0	0	0	0/19 (0)
*INEFFECTIVE*	N *Ineffective* /All DS articles (%)				*N Ineffective/TOTAL MAJOR ARTICLES*
Most Pharmads	12/35 (34)	0/0	1/2 (50)	0/2 (0)	1/4 (25)
Middle Pharmads	35/142 (25)	8/31 (26)	5/15 (33)	1/2 (50)	14/47 (30)
Fewest Pharmads	21/77 (27)	2/14 (14)	3/11 (27)	0/3 (0)	5/27 (19)
CAM Journals	11/88 (13)	1/11 (9)	0/2 (0)	1/6 (17)	2/19 (11)

* General medical journals with the most pharmads published a significantly higher percentage of major articles concluding that DS were unsafe than the journals with middle or fewest pharmads or the CAM journals (P < 0.005).
The differences in rates of articles concluding that DS were ineffective among the different pharmad groups were not statistically significant.

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