Table 2

Articles about Dietary Supplements (DS)

Characteristics
Number of issues reviewed
Number of ANY articles about DS
Clinical Trials or Cohort Studies
Editorials
Reviews
TOTAL MAJOR ARTICLES (PER ISSUE)*

Most Pharmads (2 journals; average impact factor 6.9) TOTALS
49
35
0
2
2
4
     Number per issue

0.71
0
0.02
0.02
(0.08)*
Middle Pharmads (7 journals; average impact factor 18.5) Totals
220
142
30
15
2
47
     Number per issue

0.65
0.14
0.07
0.01
(0.21)*
Fewest Pharmads (2 journals; average impact factor 5.9) Totals
65
77
14
11
3
28
     Number per issue

1.2
0.22
0.17
0.05
(0.43)*







CAM JOURNALS
22
88
11
2
6
19
     Number per issue

4
0.5
0.09
0.27
(0.86)*

*Overall differences in rates of publishing major articles about DS are statistically significant with P < 0.001. The rate for those with the most pharmads (0.08) is significantly lower than those with middle pharmads (0.21, P < 0.05). The rate for those with the middle pharmads (0.21) is significantly lower than those with the fewest pharmads (0.43, P < 0.05). The rate for the CAM journals (0.86) is significantly higher than that for the general medical journals with the fewest pharmads (<0.01)

Kemper and Hood BMC Complementary and Alternative Medicine 2008 8:11   doi:10.1186/1472-6882-8-11