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Drunk driving

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Drunk driving (or drink-driving in British English[1]) is the act of driving under the influence of alcohol. A small increase in the blood alcohol content increases the relative risk of a motor vehicle crash.[2]

Police officers in Connecticut, United States, conduct a field sobriety test on a suspected drunk driver.

In the United States, alcohol is involved in 30% of all traffic fatalities.[3]

Terminology

United States

In the United States, most states have generalized their criminal offense statutes to driving under the influence (DUI). These DUI statutes generally cover intoxication by any drug, including alcohol. Such laws may also apply to operating boats, aircraft, farm machinery, horse-drawn carriages, and bicycles. Specific terms used to describe alcohol-related driving offenses include "drinking and driving", "drunk driving", and "drunken driving". Most DUI offenses are alcohol-related so the terms are used interchangeably in common language, and "drug-related DUI" is used to distinguish.

United Kingdom

In the United Kingdom, there are two separate offences to do with alcohol and driving. The first is "Driving or attempting to drive with excess alcohol" (legal code DR10), the other is known as "In charge of a vehicle with excess alcohol" (legal code DR40) or "drunk in charge" due to the wording of the Licensing Act 1872.[4][5] In relation to motor vehicles, the Road Safety Act 1967 created a narrower offense of driving (or being in charge of) a vehicle while having breath, blood, or urine alcohol levels above the prescribed limits (colloquially called "being over the limit").[6] These provisions were re-enacted in the Road Traffic Act 1988. A separate offense in the 1988 Act applies to bicycles. While the 1872 Act is mostly superseded, the offense of being "drunk while in charge ... of any carriage, horse, cattle, or steam engine" is still in force; "carriage" has sometimes been interpreted as including mobility scooters.[5]

Measurement of intoxication

Main article: Blood alcohol content
 
A law enforcement grade Breathalyzer, specifically an Alco-Sensor IV

Depending on the jurisdiction, a drunk driver's level of intoxication may be measured by police using three methods: blood, breath, or urine, resulting in a blood alcohol concentration, breath alcohol concentration (BrAC), or urine result. For law enforcement purposes, breath analysis using a breathalyzer is the preferred method, since results are available almost instantaneously. A measurement in excess of the specific threshold level, such as a BAC of 0.08% (8 basis points), defines the criminal offense with no need to prove impairment.[7]

In some jurisdictions, there is an aggravated category of the offense at a higher BAC level, such as 0.12%, 0.15%, or 0.25%. In many jurisdictions, police officers can conduct field tests of suspects to look for signs of intoxication.[8] There have been cases in Canada where officers have come upon a suspect who is unconscious after a crash and officers have taken a blood sample.[citation needed]

With the advent of a scientific test for BAC, law enforcement regimes moved from field sobriety testing (e.g., asking the suspect to stand on one leg) to having more than a prescribed amount of blood alcohol content while driving. However, this does not preclude the simultaneous existence and use of the older subjective tests in which police officers measure the intoxication of the suspect by asking them to do certain activities or by examining their eyes and responses.[9] The validity of the testing equipment/methods for determining breath and blood alcohol and mathematical relationships between breath/blood alcohol and intoxication levels have been criticized.[10] Improper testing and equipment calibration is often used in defense of a DUI or DWI.[citation needed]

Effects of alcohol

Effects on cognitive processes

Main article: Short-term effects of alcohol consumption

Alcohol is a depressant, which mainly affects the function of the brain. Alcohol first affects the most vital components of the brain and "when the brain cortex is released from its functions of integrating and control, processes related to judgment and behavior occur in a disorganized fashion and the proper operation of behavioral tasks becomes disrupted."[11] Alcohol weakens a variety of skills that are necessary to perform everyday tasks. Drinking enough alcohol to cause a blood alcohol concentration (BAC) of 0.03–0.12% typically causes a flushed, red appearance in the face and impaired judgment and fine muscle coordination. A BAC of 0.09% to 0.25% causes lethargy, sedation, balance problems, and blurred vision. A BAC from 0.18% to 0.30% causes profound confusion, impaired speech (e.g., slurred speech), staggering, dizziness, and vomiting. A BAC from 0.25% to 0.40% causes stupor, unconsciousness, anterograde amnesia, vomiting, and respiratory depression (potentially life-threatening). A BAC from 0.35% to 0.80% causes a coma (unconsciousness), life-threatening respiratory depression, and possibly fatal alcohol poisoning. There are a number of factors that affect the time in which BAC will reach or exceed 0.08, including weight, the time since one's recent drinking, and whether and what one ate within the time of drinking. A 170lb male can drink more than a 135lb female, before being over the BAC level.[12]

One of the main effects of alcohol is severely impairing a person's ability to shift attention from one thing to another, "without significantly impairing sensory motor functions."[11] This indicates that people who are intoxicated are not able to properly shift their attention without affecting the senses. People that are intoxicated also have a much more narrow area of usable vision than people who are sober. The information the brain receives from the eyes "becomes disrupted if eyes must be turned to the side to detect stimuli, or if eyes must be moved quickly from one point to another."[11]

Effects on driving

 
Relative risk of a crash based on blood alcohol levels[13]

Research shows an exponential increase of the relative risk for a crash with a linear increase of BAC.[13] NHTSA reports that the following blood alcohol levels (BAC) in a driver will have the following predictable effects on his or her ability to drive safely: (1) A BAC of .02 will result in a "[d]ecline in visual functions (rapid tracking of a moving target), a decline in the ability to perform two tasks at the same time (divided attention)"; (2) A BAC of .05 will result in "[r]educed coordination, reduced ability to track moving objects, difficulty steering, reduced response to emergency driving situations"; (3) A BAC of .08 will result in "[c]oncentration, short-term memory loss, speed control, reduced information processing capability (e.g., signal detection, visual search), impaired perception"; (4) A BAC of .10 will result in "[r]educed ability to maintain lane position and brake appropriately"; and (5) A BAC of .15 will result in "[s]ubstantial impairment in vehicle control, attention to driving task, and in necessary visual and auditory information processing."[14]

Several testing mechanisms are used to gauge a person's ability to drive, which indicate levels of intoxication. One of these is referred to as a tracking task, testing hand–eye coordination, in which "the task is to keep an object on a prescribed path by controlling its position through turning a steering wheel. Impairment of performance is seen at BACs of as little as 0.7 mg/mL (0.066%)."[11] Another form of tests is a choice reaction task, which deals more primarily with cognitive function. In this form of testing both hearing and vision are tested and drivers must give a "response according to rules that necessitate mental processing before giving the answer."[11] This is a useful gauge because in an actual driving situation drivers must divide their attention "between a tracking task and surveillance of the environment."[11] It has been found that even "very low BACs are sufficient to produce significant impairment of performance" in this area of thought process.[11]

Grand Rapids Dip

A 1964 paper by Robert Frank Borkenstein studied data from Grand Rapids, Michigan.[15] The main finding of the Grand Rapids study was that for higher values of BAC, the collision risk increases steeply; for a BAC of 0.15%, the risk is 25 times higher than for zero blood alcohol. The BAC limits in Germany and many other countries were set based on this Grand Rapids study. Subsequent research showed that all extra collisions caused by alcohol were due to at least 0.06% BAC, 96% of them due to BAC above 0.08%, and 79% due to BAC above 0.12%.[16] One surprising aspect of the study was that, in the main analysis, a BAC of 0.01–0.04% was associated with a lower risk of collisions than a BAC of 0%, a feature referred to as the Grand Rapids Effect or Grand Rapids Dip.[16][17] A 1995 Würzburg University study of German data similarly found that the risk of collisions appeared to be lower for drivers with a BAC of 0.04% or less than for drivers with a BAC of 0%.[16]

Studies of alcohol impairment on tests of driving ability have found that impairment starts as soon as alcohol is detectable. Thus, the literature has for the most part treated the Grand Rapids Dip as a statistical effect, similar to Simpson's paradox.[18] The analysis in the Grand Rapids paper relied primarily on univariate statistics, which could not isolate the effects of age, gender, and drinking practices from the effects of other variables.[19] In particular, when the data is re-analyzed by constructing separate BAC-crash rate graphs for each drinking frequency, there are no J-shapes in any of the graphs and collision rates increase starting from 0% BAC. The analysis of the Grand Rapids study was biased by including drivers younger than 25 and older than 55 that did not drink often but had significantly higher crash rates even when not drinking alcohol.[18] A newer study using data from 1997-1999 replicated the Grand Rapids dip but found that adjusting for covariates using logistic regression made the dip disappear.[20]

Perceived recovery rate

A direct effect of alcohol on a person's brain is an overestimation of how quickly their body is recovering from the effects of alcohol. A study, discussed in the article "Why drunk drivers may get behind the wheel", was done with college students in which the students were tested with "a hidden maze learning task as their BAC [Blood Alcohol Content] both rose and fell over an 8-hour period."[2] The researchers found through the study that as the students became more drunk there was an increase in their mistakes "and the recovery of the underlying cognitive impairments that lead to these errors is slower, and more closely tied to the actual blood alcohol concentration, than the more rapid reduction in participants' subjective feeling of drunkenness."[2]

The participants believed that they were recovering from the adverse effects of alcohol much more quickly than they actually were. This feeling of perceived recovery is a plausible explanation of why so many people feel that they are able to safely operate a motor vehicle when they are not yet fully recovered from the alcohol they have consumed, indicating that the recovery rates do not coincide.

This thought process and brain function that is lost under the influence of alcohol is a very key element in regards to being able to drive safely, including "making judgments in terms of traveling through intersections or changing lanes when driving."[2] These essential driving skills are lost while a person is under the influence of alcohol.

Risks

 
Percentage of US car crash fatalities where driver blood alcohol level was .01 and above, 1999–2012

Drunk driving is one of the largest risk factors that contribute to traffic collisions. As of 2015, for people in Europe between the age of 15 and 29, driving under the influence of alcohol has been one of the main causes of mortality.[21] According to the National Highway Traffic Safety Administration, alcohol-related crashes cause approximately $37 billion in damages annually.[22] DUI and alcohol-related crashes have produced an estimated $45 billion in damages every year. The combined costs of  towing and storage fees, attorney fees, bail fees, fines, court fees, ignition interlock devices, traffic school fees and DMV fees mean that a first-time DUI charge could cost thousands to tens of thousands of dollars.[23]

Traffic collisions are predominantly caused by driving under the influence for people in Europe between the age of 15 and 29, it is one of the main causes of mortality.[21] According to the National Highway Traffic Safety Administration, alcohol-related collisions cause approximately $37 billion in damages annually.[22] Every 51 minutes someone dies from an alcohol-related collision. When it comes to risk-taking there is a large male predominance, as personality traits, antosociality, and risk-taking are taken into consideration as they all are involved in DUI's.[24] Over 7.7 million underage people ages 12–20 claim to drink alcohol, and on average, for every 100,000 underage Americans, 1.2 died in drunk-driving traffic crashes.[25]

Characteristics of drunk drivers

Personality traits

Although situations differ and each person is unique, some common traits have been identified among drunk drivers. In the study "personality traits and mental health of severe drunk drivers in Sweden", 162 Swedish DUI offenders of all ages were studied to find links in psychological factors and characteristics. There are a wide variety of characteristics common among DUI offenders which are discussed, including: "anxiety, depression, inhibition, low assertiveness, neuroticism and introversion".[26] There is also a more specific personality type found, typically more antisocial, among repeat DUI offenders. It is not uncommon for them to actually be diagnosed with antisocial personality disorder (ASPD) and exhibit some of the following personality traits: "low social responsiveness, lack of self-control, hostility, poor decision-making lifestyle, low emotional adjustment, aggression, sensation seeking and impulsivity".[26]

It is also common for offenders to use drinking as a coping mechanism, not necessarily for social or enjoyment reasons, when they are antisocial in nature and have a father with a history of alcoholism. Offenders who begin drinking at an earlier age for thrills and "fun" are more likely to be antisocial later in their lives. The majority of the sample, 72%, came from what is considered more "normal" circumstances. This group was older when they began drinking, came from families without a history of alcoholism, were relatively well-behaved as children, were not as physically and emotionally affected by alcohol when compared with the rest of the study, and had the less emotional complications, such as anxiety and depression. The smaller portion of the sample, 28%, comes from what is generally considered less than desirable circumstances, or "not normal". They tended to start drinking heavily earlier in life and "exhibited more premorbid risk factors, had a more severe substance abuse and psychosocial impairment."[26]

Various characteristics associated with drunk drivers were found more often in one gender than another. Females were more likely to be affected by both mental and physical health problems, have family and social problems, have a greater drug use, and were frequently unemployed. However, the females tended to have less legal issues than the typical male offender. Some specific issues females dealt with were that "almost half of the female alcoholics had previously attempted to commit suicide, and almost one-third had suffered from anxiety disorder." In contrast with females, males were more likely to have in-depth problems and more involved complications, such as "a more complex problem profile, i.e. more legal, psychological, and work-related problems when compared with female alcoholics."[26] In general the sample, when paralleled with control groups, was tested to be much more impulsive in general.

Another commonality among the whole group was that the DUI offenders were more underprivileged when compared with the general population of drivers. A correlation has been found between lack of conscientiousness and accidents, meaning that "low conscientiousness drivers were more often involved in driving accidents than other drivers." When tested the drivers scored very high in the areas of "depression, vulnerability (to stress), gregariousness, modesty, tender mindedness", but significantly lower in the areas of "ideas (intellectual curiosity), competence, achievement striving and self-discipline."[26] The sample also tested considerably higher than the norm in "somatization, obsessions–compulsions, interpersonal sensitivity, depression, anxiety, hostility, phobic anxiety, paranoia, psychoticism", especially in the area of depression. Through this testing a previously overlooked character trait of DUI offenders was uncovered by the "low scores on the openness to experience domain."[26] This area "includes intellectual curiosity, receptivity to the inner world of fantasy and imagination, appreciation of art and beauty, openness to inner emotions, values, and active experiences." In all these various factors, there is only one which indicates relapses for driving under the influence: depression.[26]

Cognitive processes

Not only can personality traits of DUI offenders be dissimilar from the rest of the population, but so can their thought processes, or cognitive processes. They are unique in that "they often drink despite the severity of legal and financial sanctions imposed on them by society."[27]

In addition to these societal restraints, DUI offenders ignore their own personal experience, including both social and physical consequences. The study "Cognitive Predictors of Alcohol Involvement and Alcohol consumption-Related Consequences in a Sample of Drunk-Driving Offenders" was performed in Albuquerque, New Mexico on the cognitive, or mental, factors of DUI offenders. Characteristics such as gender, marital status, and age of these DWI offenders were similar to those in other populations. Approximately 25% of female and 21% of male offenders had received "a lifetime diagnosis of alcohol abuse" and 62% of females and 70% of males "received a diagnosis of alcohol dependence."[27] All of the offenders had at least one DWI and males were more likely to have multiple citations. In terms of drinking patterns approximately 25% stated that "they had drunk alcohol with in the past day, while an additional 32% indicated they had drunk within the past week."[27] In regards to domestic drinking, "25% of the sample drank at least once per week in their own homes."[27] Different items were tested to see if they played a role in the decision to drink alcohol, which includes socializing, the expectation that drinking is enjoyable, financial resources to purchase alcohol, and liberation from stress at the work place. The study also focused on two main areas, "intrapersonal cues", or internal cues, that are reactions "to internal psychological or physical events" and "interpersonal cues" that result from "social influences in drinking situations."[27] The two largest factors between tested areas were damaging alcohol use and its correlation to "drinking urges/triggers."[27] Once again different behaviors are characteristic of male and female. Males are "more likely to abuse alcohol, be arrested for DWI offenses, and report more adverse alcohol-related consequences." However, effects of alcohol on females vary because the female metabolism processes alcohol significantly when compared to males, which increases their chances for intoxication.[27] The largest indicator for drinking was situational cues which comprised "indicators tapping psychological (e.g. letting oneself down, having an argument with a friend, and getting angry at something), social (e.g. relaxing and having a good time), and somatic cues (e.g. how good it tasted, passing by a liquor store, and heightened sexual enjoyment)."[27]

It may be that internal forces are more likely to drive DWI offenders to drink than external, which is indicated by the fact that the brain and body play a greater role than social influences. This possibility seems particularly likely in repeat DWI offenders, as repeat offences (unlike first-time offences) are not positively correlated with the availability of alcohol.[28] Another cognitive factor may be that of using alcohol to cope with problems. It is becoming increasingly apparent that the DWI offenders do not use proper coping mechanisms and thus turn to alcohol for the answer. Examples of such issues "include fights, arguments, and problems with people at work, all of which imply a need for adaptive coping strategies to help the high-risk drinker to offset pressures or demands."[27] DWI offenders would typically prefer to turn to alcohol than more healthy coping mechanisms and alcohol can cause more anger which can result in a vicious circle of drinking more alcohol to deal with alcohol-related issues. This is a not the way professionals tell people how to best deal with the struggles of everyday life and calls for "the need to develop internal control and self-regulatory mechanisms that attenuate stress, mollify the influence of relapse-based cues, and dampen urges to drink as part of therapeutic interventions."[27]

Field sobriety testing

Main article: Field sobriety testing

To attempt to determine whether a suspect is impaired, police officers in the United States usually will administer field sobriety tests to determine whether the officer has probable cause to arrest an individual for suspicion of driving under the influence (DUI). The Preliminary Breath Test (PBT) or Preliminary Alcohol Screening test (PAS) is sometimes categorized as part of field sobriety testing, although it is not part of the series of performance tests. Commercial drivers are subject to PBT testing in some US states as a "drug screening" requirement.

Laws by country

Legal blood alcohol limit levels in Europe
Map of Europe with BAC levels 
Map of Europe with BAC levels
Key: 0.05% = 0.5‰ = 0.5 gram/liter
Legend:
  0.00%
  0.01%
  0.02%
  0.03%
  0.04%
  0.05%
  0.08%
  No data
Additional country-specific limits are not taken into account: Some EU-member states have different penalties for different limits and have different limits for novice drivers and professional drivers. These limits are not mentioned.[29]
Main article: Drunk driving law by country

The laws relating to drunk driving vary significantly between countries, particularly the BAC limit before a person is charged with a crime. Thresholds range from the limit of detection (zero-tolerance) to 0.08%. Some countries have no limits or laws on blood alcohol content.[30] Some jurisdictions have multiple levels of BAC for different categories of drivers. In some jurisdictions, impaired drivers who injure or kill another person while driving may face heavier penalties. Some jurisdictions have judicial guidelines requiring a mandatory minimum sentence for certain situations. DUI convictions may result in multi-year jail terms and other penalties ranging from fines and other financial penalties to forfeiture of one's license plates and vehicle. In many jurisdictions, a judge may also order the installation of an ignition interlock device. Some jurisdictions require that drivers convicted of DUI offenses use special license plates that are easily distinguishable from regular plates, known in popular parlance as "party plates"[31] or "whiskey plates".

Criminologist Hung‐En Sung has concluded in 2016 that with regards to reducing drunk driving, law enforcement has not generally proven to be effective. Worldwide, the majority of those driving under the influence do not end up arrested. At least two thirds of alcohol‐involved fatalities involve repeat drinking drivers. Sung, commenting on measures for controlling drunk driving and alcohol‐related accidents, noted that the ones that have proven effective include "lowering legal blood alcohol concentrations, controlling liquor outlets, nighttime driving curfews for minors, educational treatment programs combined with license suspension for offenders, and court monitoring of high‐risk offenders."[32]

Main article: Implied consent

There are laws in place to protect citizens from drunk drivers, called implied consent laws. Drivers of any motor vehicle automatically consent to these laws, which include the associated testing, when they begin driving.

In most jurisdictions (with the notable exception of a few, such as Brazil), refusing consent is a different crime than a DWI itself and has its own set of consequences. There have been cases where drivers were "acquitted of the DWI offense and convicted of the refusal (they are separate offenses), often with significant consequences (usually license suspension)".[33] A driver must give their full consent to comply with testing because "anything short of an unqualified, unequivocal assent to take the Breathalyzer test constitutes a refusal."[33] It has also been ruled that defendants are not allowed to request testing after they have already refused in order to aid officers' jobs "to remove intoxicated drivers from the roadways" and ensure that all results are accurate.[33]

United States

Main article: Drunk driving in the United States

The United States has extensive case law and law enforcement programs related to drunk driving.

Solutions

Reducing alcohol consumption

Studies have shown that there are various methods to help reduce alcohol consumption:

  • increasing the price of alcohol.[34]
  • restricting opening hours of places where alcohol can be bought and consumed
  • restricting places where alcohol can be bought and consumed, such as banning the sale of alcohol in petrol stations and transport cafes
  • increasing the minimum drinking age.[34]

Separating drinking from driving

 
An ignition interlock device (red arrow) in a Scania bus

One tool used to separate drinking from driving is an ignition interlock device which requires the driver to blow into a mouthpiece on the device before starting or continuing to operate the vehicle.[34] This tool is used in rehabilitation programmes and for school buses.[34] Studies have indicated that ignition interlock devices can reduce drunk driving offences by between 35% and 90%, including 60% for a Swedish study, 67% for the CDCP, and 64% for the mean of several studies.[34] The US may require monitoring systems to stop intoxicated drivers in new vehicles as early as 2026.[35]

Designated driver programmes

A designated driver programme helps to separate driving from drinking in social places such as restaurants, discos, pubs, bars. In such a programme, a group chooses who will be the drivers before going to a place where alcohol will be consumed; the drivers abstain from alcohol. Members of the group who do not drive would be expected to pay for a taxi when it is their turn.[34]

Reduction of legal limit from 0.8 g/L to 0.5 g/L reduced fatal crashes by 2% in some European countries; while similar results were obtained in the United States[34] Lower legal limit (0.1 g/L in Austria and 0 g/L in Australia and the United States) have helped to reduce fatalities among young drivers. However, in Scotland, lowering the legal limit of blood alcohol content from 0.08% to 0.05% did not result in fewer road traffic collisions in two years after the introducing the new law. One possible explanation is that this might be due the poor publicity and enforcement of the new law and the lack of random breath testing.[36][37]

Police enforcement

Enforcing the legal limit for alcohol consumption is the usual method to reduce drunk driving.

Experience shows that:

  • introduction of breath testing devices by the police in the 1970s had a significant effect, but alcohol remains a factor in 25% of all fatal crashes in Europe[34]
  • fines appear to have little effect on reducing alcohol-impaired driving[34]
  • driving licence measures with a duration of 3 to 12 months[clarification needed]
  • imprisonment is the least effective remedy

Education

 
US poster from 1994 with the message that "drinking and driving don't mix"

Education programmes used to reduce drunk driving levels include:

  • driver education in schools and in basic driver training
  • driver improvement courses on alcohol (rehabilitation courses)
  • public campaigns
  • promotion of safety culture

Prevalence

In the United States, local law enforcement agencies made 1,467,300 arrests nationwide for driving under the influence of alcohol in 1996, compared to 1.9 million such arrests during the peak year in 1983.[38] In 1997 an estimated 513,200 DWI offenders were in prison or jail, down from 593,000 in 1990 and up from 270,100 in 1986.[39] In the United States, DUI and alcohol-related collisions produce an estimated $45 billion in damages every year.[40]

In Europe, about 25% of all road fatalities are alcohol-related, while very few Europeans drive under the influence of alcohol. According to estimates, 3.85% of drivers in European Union drive with a BAC of 0.2 g/L and 1.65% with a BAC of 0.5 g/L and higher. For alcohol in combination with drugs and medicines, the rates are respectively 0.35% and 0.16%.[34]

See also

References

Notes

  1. ^ "drink-driving". Collins Dictionary. Retrieved 14 December 2021.
  2. ^ a b c d "Why drunk drivers may get behind the wheel". Science Daily. 18 August 2010. Retrieved 2 July 2017.
  3. ^ "Alcohol-Impaired Driving". NHTSA. 2018.
  4. ^ "Magistrates' Court Sentencing Guidelines" (PDF). Sentencing Guidelines Council. May 2008. p. 188. Retrieved 20 June 2022.
  5. ^ a b Merritt, Jonathan (9 July 2009). Law for Student Police Officers. SAGE. ISBN 9781844455638.
  6. ^ Hannibal, Martin; Hardy, Stephen (4 March 2013). Practice Notes on Road Traffic Law 2/e. Routledge. pp. 57–68. ISBN 9781135346386.
  7. ^ Nelson, Bruce. "Nevada's Driving Under the Influence (DUI) laws". NVPAC. Advisory Council for Prosecuting Attorneys. Archived from the original on 22 April 2017. Retrieved 3 July 2017.
  8. ^ "Florida DUI and Administrative Suspension Laws". FLHSMV. Florida Department of Highway Safety and Motor Vehicles. Retrieved 19 November 2021.
  9. ^ "Ethanol Level". Retrieved 7 October 2014.
  10. ^ Bates, Marsha E. Journal of Studies on Alcohol and Drugs. "The Correspondence between Saliva and Breath Estimates of Blood Alcohol Concentration: Advantages and Limitations of the Saliva Method". Journal of Studies in Alcohol, 1 Jan. 1993. Web. 13 Mar. 2013.
  11. ^ a b c d e f g Mattila, Maurice J. (2001). Encyclopedia of drugs, alcohol and addictive behavior. Macmillan Reference USA. ISBN 0028655419.
  12. ^ National Highway Traffic Safety Administration (NHTSA). BAC Estimator [computer program]. Springfield, VA: National Technical Information Service, 1992.
  13. ^ a b "Preventing road traffic injury: A public health perspective for Europe" (PDF). Euro.who.int. Retrieved 2 March 2022.
  14. ^ NHTSA (4 October 2016). "Drunk Driving – How Alcohol Affects Driving Ability". NHTSA. Archived from the original on 26 December 2016. Retrieved 19 March 2021.
  15. ^ Robert F. Borkenstein papers, 1928–2002, Indiana U. The role of the drinking driver in traffic accidents (Researchgate link)
  16. ^ a b c Grand Rapids Effects Revisited: Accidents, Alcohol and Risk Archived 7 April 2018 at the Wayback Machine, H.-P. Krüger, J. Kazenwadel and M. Vollrath, Center for Traffic Sciences, University of Wuerzburg, Röntgenring 11, D-97070 Würzburg, Germany
  17. ^ Hurst, Paul M.; Harte, David; Frith, William J. (October 1994). "The Grand Rapids dip revisited". Accident Analysis & Prevention. 26 (5): 647–654. doi:10.1016/0001-4575(94)90026-4. PMID 7999209.
  18. ^ a b Ogden, E. J.D.; Moskowitz, H. (September 2004). "Effects of Alcohol and Other Drugs on Driver Performance". Traffic Injury Prevention. 5 (3): 185–198. doi:10.1080/15389580490465201. PMID 15276919. S2CID 2839336.
  19. ^ "Driver Characteristics and Impairment at Various BACs – Introduction". one.nhtsa.gov.
  20. ^ Blomberg, Richard D.; Peck, Raymond C.; Moskowitz, Herbert; Burns, Marcelline; Fiorentino, Dary (August 2009). "The Long Beach/Fort Lauderdale relative risk study". Journal of Safety Research. 40 (4): 285–292. doi:10.1016/j.jsr.2009.07.002. PMID 19778652.
  21. ^ a b Alonso, Francisco; Pasteur, Juan C.; Montero, Luis; Esteban, Cristina (2015). "Driving under the influence of alcohol: frequency, reasons, perceived risk and punishment". Substance Abuse Treatment, Prevention, and Policy. 10 (11): 11. doi:10.1186/s13011-015-0007-4. PMC 4359384. PMID 25880078.
  22. ^ a b "Impaired Driving - National Highway Traffic Safety Administration (NHTSA)". Nhtsa.gov. Retrieved 29 September 2015.
  23. ^ "How Much Does a DUI Cost". Administrative Office of the Courts. State of California. Retrieved 10 March 2024.
  24. ^ Anum, EA; Silberg, J; Retchin, SM (2014). "Heritability of DUI convictions: a twin study of driving under the influence of alcohol". Twin Res Hum Genet. 17 (1): 10–5. doi:10.1017/thg.2013.86. PMID 24384043. S2CID 206345742.
  25. ^ "Underage Drinking." National Institute on Alcohol Abuse and Alcoholism, U.S. Department of Health and Human Services, pubs.niaaa.nih.gov/publications/underagedrinking/underagefact.htm.
  26. ^ a b c d e f g Huckba, B. (July 2010). "Personality traits and mental health of severe drunk drivers in Sweden". Social Psychiatry and Psychiatric Epidemiology. 45 (7): 723–31. doi:10.1007/s00127-009-0111-8. PMID 19730762. S2CID 20165169.
  27. ^ a b c d e f g h i j Scheier, L. M.; Lapham, S. C.; C’de Baca, J. (2008). "Cognitive predictors of alcohol involvement and alcohol-related consequences in a sample of drunk-driving offenders". Substance Use & Misuse. 43 (14): 2089–2115. doi:10.1080/10826080802345358. PMID 19085438. S2CID 25196512. Retrieved 2 July 2017.
  28. ^ Schofield, Timothy B.; Denson, Thomas F. (7 August 2013). "Temporal Alcohol Availability Predicts First-Time Drunk Driving, but Not Repeat Offending". PLOS ONE. 8 (8): e71169. Bibcode:2013PLoSO...871169S. doi:10.1371/journal.pone.0071169. PMC 3737138. PMID 23940711.
  29. ^ Anonymous (17 October 2016). "The legal limit". Mobility and transport – European Commission.
  30. ^ "Legal BAC limits by country". World Health Organization. Retrieved 21 February 2015.
  31. ^ Gus Chan, The Plain Dealer (10 January 2011). "Cuyahoga County Council's finalists for boards of revision include employee with criminal past". Blog.cleveland.com. Retrieved 26 January 2014.
  32. ^ Sung, Hung-En (15 February 2007). "Alcohol and Crime". In Ritzer, George (ed.). The Blackwell Encyclopedia of Sociology (1 ed.). Wiley.
  33. ^ a b c Ogundipe, K. A.; Weiss, K. J. (2009). "Drunk driving, implied consent, and self-incrimination". Journal of the American Academy of Psychiatry and the Law. 37 (3): 386–91. PMID 19767505.
  34. ^ a b c d e f g h i j "Alcohol 2018" (PDF). European Commission, Directorate General for Transport. February 2018. Archived from the original (PDF) on 8 May 2019. Retrieved 8 May 2019.
  35. ^ Yen, Hope; Krisher, Tom (9 November 2021). "Congress Mandates New Car Technology to Stop Drunken Driving". U.S. News & World Report. Associated Press. Retrieved 12 November 2021.
  36. ^ "A lower drink-drive limit in Scotland is not linked to reduced road traffic accidents as expected". NIHR Evidence (Plain English summary). National Institute for Health and Care Research. 10 September 2019. doi:10.3310/signal-000815. S2CID 241723380.
  37. ^ Lewsey, Jim; Haghpanahan, Houra; Mackay, Daniel; McIntosh, Emma; Pell, Jill; Jones, Andy (June 2019). "Impact of legislation to reduce the drink-drive limit on road traffic accidents and alcohol consumption in Scotland: a natural experiment study". Public Health Research. 7 (12): 1–46. doi:10.3310/phr07120. ISSN 2050-4381. PMID 31241879.
  38. ^ Four in Ten Criminal Offenders Report Alcohol as a Factor in Violence: But Alcohol-Related Deaths and Consumption in Decline Archived 2011-01-18 at the Wayback Machine, April 5, 1998, United States Bureau of Justice Statistics.
  39. ^ DWI Offenders under Correctional Supervision Archived 2011-08-11 at the Wayback Machine, June 1999, United States Bureau of Justice Statistics.
  40. ^ "Impaired Driving: Get the Facts". CDC. 16 June 2017. Retrieved 1 August 2017.

Further reading

  • "Why drunk drivers may get behind the wheel." Mental Health Weekly Digest (2010). Web. 2 September 2010.
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