Table 7. Results of multivariate regression analysis regarding the relationship between marketing characteristics and probability that participating physicians prescribe more of the studied drug than controls.

Marketing characteristic	Odds ratio (95% CI)
Remuneration is inappropriate or not clearly warranted	1.19 (0.65–2.17)
Drug has been on the market for too long	0.80 (0.52–1.25)
Low scientific quality	1.03 (0.82–1.28)
Low formal quality	1.06 (0.84–1.34)
Negligible effort required by physician	0.71 (0.50–1.01)
Required report missing	0.93 (0.49–1.77)
Contract contains a secrecy clause	1.04 (0.76–1.41)

Marketing indicators described in [9] and S4 Appendix.