From: Does pharmaceutical advertising affect journal publication about dietary supplements?
Journal | No. of issues reviewed | Average No. of Pages per issue | Average No. of All Ad pages per issue | Average No. Pharmads per issue | Percent Pharmad pages per issue | No. of Pharmads per Pages in Avg. issue |
---|---|---|---|---|---|---|
A | 24 | 182.9 | 87.8 | 66.3 | 75.5 | 0.362 |
B | 25 | 143.4 | 86.7 | 63.2 | 72.9 | 0.441 |
C | 52 | 108.4 | 85.0 | 39.4 | 46.4 | 0.363 |
D | 24 | 78.8 | 53.2 | 22.8 | 42.8 | 0.289 |
E | 12 | 217.3 | 63.6 | 24.7 | 38.9 | 0.114 |
F | 12 | 109 | 21.7 | 15.7 | 72.3 | 0.144 |
G | 22 | 117.7 | 21.0 | 15.4 | 73.3 | 0.131 |
H | 50 | 86.1 | 22.2 | 15.2 | 67.5 | 0.177 |
I | 48 | 124.8 | 30.8 | 10.5 | 34.0 | 0.084 |
J | 52 | 56.1 | 3.9 | 0.15 | 3.9 | 0.003 |
K | 13 | 137.5 | 10.5 | 0.15 | 1.5 | 0.001 |
OVERALL AVERAGE for major medical journals | 30.4 | 123.8 | 43.04 | 23.5 | 48.1 | 0.192 |
CAM journals | Â | Â | Â | Pharmads (DS ads) per issue | Percent pharmads (DS ads) | Â |
L | 6 | 79.2 | 8 | 0 (1.8) | 0 (23) | 0 |
M | 7 | 103.7 | 5.7 | 0 (0) | 0 (0) | 0 |
N | 9 | 104.1 | 24 | 0 (12.3) | 0 (52) | 0 |