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Old 05-26-2005, 10:47 AM   #57
Agamemnon
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It looks like we'll be engaging in another 'who's stats are correct' war.

I found a few things that run counter to Captain Crunch's stats... so I have no idea what the truth must be.

CRASH CULPABILITY STUDIES

“For each of 2,500 injured drivers presenting to a hospital, a blood sample was collected for later analysis.

There was a clear relationship between alcohol and culpability. … In contrast, there was no significant increase in culpability for cannabinoids alone. While a relatively large number of injured drivers tested positive for cannabinoids, culpability rates were no higher than those for the drug free group. This is consistent with other findings.”

REFERENCE:

Logan, M.C., Hunter, C.E., Lokan, R.J., White, J.M., & White, M.A. (2000). The Prevalence of Alcohol, Cannabinoids, Benzodiazepines and Stimulants Amongst Injured Drivers and Their Role in Driver Culpability: Part II: The Relationship Between Drug Prevalence and Drug Concentration, and Driver Culpability. Accident Analysis and Prevention, 32, 623-32.


“Blood samples from 894 patients presenting to two Emergency Departments for treatment of motor vehicle injur[ies] … were tested for alcohol and other drugs.

… Based on alcohol and drug testing of the full range of patients … alcohol is clearly the major drug associated with serious crashes and greater injury. Patients testing positive for illicit drugs (marijuana, opiates, and cocaine), in the absence of alcohol, were in crashes very similar to those of patients with neither alcohol nor drugs. When other relevant variables were considered, these drugs were not associated with more severe crashes or greater injury.”

REFERENCE: P. Waller et al. 1997. Crash characteristics and injuries of victims impaired by alcohol versus illicit drugs. Accident Analysis and Prevention 29: 817-827.


“Blood specimens were collected from a sample of 1,882 drivers from 7 states, during 14 months in the years 1990 and 1991. The sample comprised operators of passenger cars, trucks, and motorcycles who died within 4 hours of their crash.

… While cannabinoids were detected in 7 percent of the drivers, the psychoactive agent THC was found in only 4 percent. … The THC-only drivers had a responsibility rate below that of the drugfree drivers. … While the difference was not statistically significant, there was no indication that cannabis by itself was a cause of fatal crashes.”

REFERENCE: K. Terhune. 1992. The incidence and role of drugs in fatally injured drivers. Washington, DC: US Department of Transportation National Highway Traffic Safety Administration, Report No. DOT HS 808 065.
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