From: Does pharmaceutical advertising affect journal publication about dietary supplements?
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)* |