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Tang Y, Abildso CG, Lilly CL, Winstanley EL, Rudisill TM. Risk factors associated with driving after marijuana use among West Virginia college students during the COVID-19 pandemic. TRAFFIC INJURY PREVENTION 2024; 25:579-588. [PMID: 38572915 DOI: 10.1080/15389588.2024.2333906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
OBJECTIVES The purpose of this study was to assess sociodemographic and behavioral risk factors associated with driving after marijuana use (DAMU) among West Virginia college students. METHODS Participants were recruited from West Virginia University between September and November 2022. The study sample was restricted to students who were ≥18 years of age; reported recently driving; possessed a current, valid driver's license from any US state; and were enrolled for at least one credit hour in the Fall 2022 semester. RESULTS Among respondents (N = 772), 28.9% reported DAMU. Students who had a GPA of B (adjusted odds ratio [AOR]: 2.17, 95% confidence interval [CI]: 1.06-4.42), smoked or ingested marijuana in the past year (AOR: 26.51, 95% CI: 10.27-68.39), drove after drinking (AOR: 2.38, 95% CI: 1.18-4.79), and used both marijuana and alcohol concurrently and then drove (AOR: 10.39, 95% CI: 2.32-46.54) associated with DAMU. Individuals who felt the behavior was somewhat dangerous or not dangerous or thought their peers approved of DAMU showed significant associations with DAMU. CONCLUSIONS As DAMU was prevalent, future interventions that raise awareness of the danger and potential consequences of DAMU may be needed to reduce this risky behavior on college campuses.
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Affiliation(s)
- Yuni Tang
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Christiaan G Abildso
- Department of Social and Behavioral Sciences, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Christa L Lilly
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Erin L Winstanley
- General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Toni M Rudisill
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
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Tang Y, Abildso CG, Lilly CL, Winstanley EL, Rudisill TM. Risk Factors Associated With Driving After Marijuana Use Among US College Students During the COVID-19 Pandemic. J Adolesc Health 2023; 72:544-552. [PMID: 36549978 PMCID: PMC9637518 DOI: 10.1016/j.jadohealth.2022.10.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 11/09/2022]
Abstract
PURPOSE To assess the sociodemographic and behavioral risk factors associated with driving after marijuana use among US college students. METHODS A secondary analysis used the fall 2020 and spring 2021 American College Health Association- National College Health Assessment III and the dataset was restricted to college students ≥18 years of age who reported recent driving and marijuana use. Associations between risk factors and driving after marijuana use were estimated using multivariable logistic regression. RESULTS A total of 29.9% (n = 4,947) of the respondents reported driving after marijuana use. Males (adjusted odds ratio [AOR]: 1.64, 95% confidence interval [CI]: 1.48-1.82), non-Hispanic Black (AOR: 1.32, 95% CI: 1.02-1.71), sexual minorities (AOR: 1.19, 95% CI: 1.07-1.31), individuals with an alcohol or substance use disorder (AOR: 1.44, 95% CI: 1.08-1.91), anxiety (AOR: 1.20, 95% CI: 1.06-1.36), higher suicidality (AOR: 1.18, 95% CI: 1.07-1.31), and those who also drank and drove (AOR: 3.18, 95% CI: 2.84-3.57) had a higher risk of driving after marijuana use. DISCUSSION Future research should focus on increasing awareness of driving after marijuana use and prevention programs and/or strategies on college campuses regarding driving after marijuana use for these groups to reduce this risky behavior.
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Affiliation(s)
- Yuni Tang
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Christiaan G Abildso
- Department of Social and Behavioral Sciences, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Christa L Lilly
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Erin L Winstanley
- Department of Behavioral Medicine and Psychiatry, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, West Virginia
| | - Toni M Rudisill
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia.
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TROJAN V, LANDA L, HRIB R, JURICA J, RYCHLICKOVA J, ZVONICEK V, HALAMKOVA L, HALAMEK J, DEMLOVA R, BELASKOVA S, SLIVA J. Assessment of delta-9-tetrahydrocannabinol (THC) in saliva and blood after oral administration of medical cannabis with respect to its effect on driving abilities. Physiol Res 2022; 71:703-712. [PMID: 36121021 PMCID: PMC9841804 DOI: 10.33549/physiolres.934907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Medical cannabis has recently been legalized in many countries, and it is currently prescribed with increasing frequency, particularly for treatment of chronic pain resistant to conventional therapy. The psychoactive substance delta-9-tetrahydro-cannabinol (THC) contained in cannabis may affect driving abilities. Therefore, the aims of this study (open-label, monocentric, nonrandomized) were to evaluate blood and saliva concentrations of THC after oral administration of medical cannabis and to assess the time needed for THC levels to decline below a value ensuring legal driving. The study involved 20 patients with documented chronic pain using long-term medical cannabis therapy. They were divided into two groups and treated with two different doses of cannabis in the form of gelatin capsules (62.5 mg or 125 mg). In all patients, the amount of THC was assessed in saliva and in blood at pre-defined time intervals before and after administration. THC levels in saliva were detected at zero in all subjects following administration of both doses at all-time intervals after administration. Assessment of THC levels in blood, however, showed positive findings in one subject 9 h after administration of the lower dose and in one patient who had been given a higher dose 7 h after administration. Our finding suggested that for an unaffected ability to drive, at least 9-10 h should elapse from the last cannabis use.
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Affiliation(s)
- Vaclav TROJAN
- Clinical Pharmacology Unit, Centre for Translational Medicine, International Clinical Research Centre, St. Anne’s University Hospital, Brno, Czech Republic
| | - Leos LANDA
- Clinical Pharmacology Unit, Centre for Translational Medicine, International Clinical Research Centre, St. Anne’s University Hospital, Brno, Czech Republic,Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Radovan HRIB
- Clinical Pharmacology Unit, Centre for Translational Medicine, International Clinical Research Centre, St. Anne’s University Hospital, Brno, Czech Republic,Centre for Pain Management, Department of Anesthesiology and Intensive Care, St. Anne’s University Hospital, Brno, Czech Republic
| | - Jan JURICA
- Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czech Republic,Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Jitka RYCHLICKOVA
- Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Vaclav ZVONICEK
- Department of Anaesthesia and Intensive Care Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Lenka HALAMKOVA
- Institute of Environmental and Human Health, Department of Environmental Toxicology, Texas Tech University, Lubbock, USA
| | - Jan HALAMEK
- Institute for Forensic Science, Department of Environmental Toxicology, Texas Tech University, Lubbock, USA
| | - Regina DEMLOVA
- Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czech Republic,Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Silvie BELASKOVA
- Clinical Pharmacology Unit, Centre for Translational Medicine, International Clinical Research Centre, St. Anne’s University Hospital, Brno, Czech Republic,Department of Mathematics and Statistics, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Jiri SLIVA
- Department of Pharmacology, Third Faculty of Medicine, Charles University, Prague, Czech Republic
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Hammig B, Davis R, Jones C. Driving after marijuana use among U.S. adolescents: Prevalence profiles and related behaviors. TRAFFIC INJURY PREVENTION 2021; 22:361-365. [PMID: 33861655 DOI: 10.1080/15389588.2021.1906870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 03/11/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
OBJECTIVES The interplay between marijuana legislation, perceptions of risks associated with marijuana use, and marijuana-related risk behaviors is an ever changing and complex issue. Marijuana impaired driving is of concern as legalization continues to expand in the United States. While driving after using marijuana has been shown to be prevalent among adults, little research has examined the behavior in adolescents. The aim of the present study was to examine the prevalence of driving after using marijuana among U.S. adolescents, with an examination of the relationship to age of marijuana initiation and marijuana usage patterns. METHODS We analyzed data from the 2017 Youth Risk Behavior Survey, a nationally representative sample of high schools students in the U.S. The sample was current marijuana users, defined as past 30 day use. Driving after using marijuana was the main outcome variable, with analyses examining the association between the outcome and age of initiation and patterns of use. Prevalence ratios were obtained by modeling Poisson regression to examine factors associated with driving under the influence of marijuana. RESULTS Nearly half of all marijuana users reported driving after use during the past 30 days, and did not differ between males and females. Prevalence of driving after using marijuana was significantly higher among heavy users (PR = 2.8; 95% CI 2.1-3.6). A higher prevalence of driving after drinking alcohol (PR = 1.7; 95% CI 1.5-1.9) was also found among those who had driven after using marijuana. CONCLUSIONS Among adolescent marijuana users, the prevalence of driving after using marijuana was high. Enhanced surveillance, prevention, and control measures are necessary to mitigate the negative impacts of marijuana consumption and related behaviors.
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Affiliation(s)
- Bart Hammig
- Department of Public Health, University of Arkansas, Fayetteville, Arkansas
| | - Robert Davis
- Department of Public Health, University of Arkansas, Fayetteville, Arkansas
| | - Ches Jones
- Department of Public Health, University of Arkansas, Fayetteville, Arkansas
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Schumann J, Perkins M, Dietze P, Nambiar D, Mitra B, Gerostamoulos D, Drummer OH, Cameron P, Smith K, Beck B. The prevalence of alcohol and other drugs in fatal road crashes in Victoria, Australia. ACCIDENT; ANALYSIS AND PREVENTION 2021; 153:105905. [PMID: 33631704 DOI: 10.1016/j.aap.2020.105905] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 11/18/2020] [Accepted: 11/21/2020] [Indexed: 05/27/2023]
Abstract
BACKGROUND Driving under the influence of drugs, including alcohol, is a globally recognised risk factor for road traffic crashes. While the prevalence of alcohol and other drugs in fatal road crashes has been examined in other countries, recent data investigating drug driving in fatal Australian crashes are limited. This study aimed to examine how the presence of alcohol and other drugs in fatal road trauma in Victoria has changed over time in different road users. METHODS A population-based review of road trauma deaths was performed over the period of 01 July 2006 to 30 June 2016 in Victoria, Australia, using data from the National Coronial Information System (NCIS) and the Victorian State Trauma Registry (VSTR). Drugs were grouped according to type and analysed accordingly. Poisson regression models were used to determine change in incidence rates over the study period. RESULTS There were 2287 road traffic fatalities with complete toxicology data (97% of all road traffic fatalities). Alcohol (blood alcohol concentration, BAC) was the most commonly detected drug (>0.001 g/100 mL: 21.1%; >0.05 g/100 mL: 18.4%), followed by opioids (17.3%), THC (13.1%), antidepressants (9.7%), benzodiazepines (8.8%), amphetamine-type stimulants (7.1%), ketamine (3.4%), antipsychotics (0.9%) and cocaine (0.2%). Trends demonstrated changing use over time with specific drugs. Alcohol positive road fatalities declined 9% per year in passenger car/4WD drivers (IRR = 0.91, 95% CI: 0.88-0.95). The incidence of strong opioids (oxycodone, fentanyl, morphine, and methadone) increased 6% per year (IRR = 1.06; 95% CI: 1.02-1.10). Methylamphetamine was detected in 6.6% of cases and showed a yearly increase of 7% (IRR = 1.07; 95% CI: 1.01-1.13). The incidence of THC remained unchanged over the period, observed in 13.1% of cases. Stronger opioids were more commonly detected among pedal cyclists (19.0%) and pedestrians (20.9%) while THC was more commonly detected among motorcyclists (19.8%) and other light vehicle drivers (17.6%). CONCLUSIONS A decline in the prevalence of alcohol in fatalities suggests that law enforcement and public health strategies in Australia to address road fatalities and drink-driving may have had a positive effect. However, increases were observed in the incidence of other potentially impairing drugs including opioids and amphetamines, specifically methylamphetamine, indicating a concerning trend in road safety in Victoria that warrants further monitoring.
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Affiliation(s)
- Jennifer Schumann
- Victorian Institute of Forensic Medicine, Victoria, Australia; Department of Forensic Medicine, Australia.
| | - Monica Perkins
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Paul Dietze
- Burnet Institute, Victoria, Australia; National Drug Research Institute, Victoria, Australia
| | - Dhanya Nambiar
- Eastern Clinical School, Monash University, Victoria, Australia
| | - Biswadev Mitra
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia; Emergency and Trauma Centre, The Alfred, Victoria, Australia
| | - Dimitri Gerostamoulos
- Victorian Institute of Forensic Medicine, Victoria, Australia; Department of Forensic Medicine, Australia
| | - Olaf H Drummer
- Victorian Institute of Forensic Medicine, Victoria, Australia; Department of Forensic Medicine, Australia
| | - Peter Cameron
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia; Emergency and Trauma Centre, The Alfred, Victoria, Australia
| | - Karen Smith
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia; Centre for Research and Evaluation, Ambulance Victoria, Victoria, Australia; Department of Community Emergency Health and Paramedic Practice, Monash University, Australia
| | - Ben Beck
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia; Faculty of Medicine, Laval University, Quebec City, Quebec, Canada
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Tabibi Z, Schwebel DC, Moghaddam AM, Fadardi JS, Feizabadi SM. Differential effects of stimulant versus opiate drugs on driving performance. ACCIDENT; ANALYSIS AND PREVENTION 2021; 150:105885. [PMID: 33271373 DOI: 10.1016/j.aap.2020.105885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 10/04/2020] [Accepted: 11/07/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND AND AIMS Pharmacological differences among different drug classes influence human cognition, visual, and motor behavior in different ways. These differences impact driving safety, and therefore individuals who use stimulant and opioid drugs might experience different patterns in driving safety and impairment in driving performance. This study examined the effect of long-term use of stimulant drugs and of opiate drugs on driving performance, hazard perception, visual search skills and psychomotor skills related to driving. METHODS A total of 75 individuals, including 28 predominantly stimulant users, 22 predominantly opiate users and 25 healthy non-drug users, participated. Driving performance and psychomotor skills were assessed via a 15-minute drive in a simulator; hazard perception was assessed via a computerized task; and visual search skill was assessed by eye tracking. RESULTS ANOVA analyses indicate both stimulant and opiate users drove at higher speeds and experienced more crashes than the healthy non-drug users. Stimulant but not opiate users violated red light regulations more often than the healthy non-drug users. In the hazard perception task, stimulant drug users performed more poorly than both opioid drug users and healthy non-drug users. Specifically, they had lower saccade movement scores and higher average fixation times. CONCLUSIONS Results confirm that both stimulant drug users and opiate drug users show impaired driving performance compared to healthy non-drug users. Stimulant drug users possessed poorer hazard perception skills compared to the opiate users and the control group, perhaps as a result of cognitive deficits created by the drug use.
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Affiliation(s)
- Zahra Tabibi
- Department of Psychology, Ferdowsi University of Mashhad, Iran.
| | - David C Schwebel
- University Professor in Psychology, Department of Psychology, University of Alabama at Birmingham, USA.
| | | | - Javad Salehi Fadardi
- Department of Psychology, Ferdowsi University of Mashhad, Iran; Claremont Graduate University, USA; Honorary Research Fellow in Psychology, Bangor University, UK.
| | - Sara Mirzaei Feizabadi
- Department of Psychology, Ferdowsi University of Mashhad, Iran; Department of Psychology, Shiraz University, Iran.
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Yockey A, Vidourek R, King K. Drugged driving among US adults: Results from the 2016-2018 national survey on drug use and health. JOURNAL OF SAFETY RESEARCH 2020; 75:8-13. [PMID: 33334496 DOI: 10.1016/j.jsr.2020.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/15/2020] [Accepted: 10/27/2020] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Drugged driving, the act of driving while under the influence of one or more illicit substances, remains a critical problem needing to be addressed. The present study sought to analyze risk factors associated with past-year driving under the influence of alcohol and marijuana among a national sample of U.S. adults. METHOD Pooled data from the 2016-2018 National Survey on Drug Use and Health were analyzed among 124,466 adults ages 18 years or older. RESULTS Weighted logistic regression analyses revealed that 8.52% of adults drove under the influence of alcohol in the past year and 4.49% of adults drove under the influence of marijuana in the past year. Of concern, compared to heterosexuals, greater than 1 in 10 sexual minorities drove under the influence of alcohol in the past year. Moreover, a sizeable percentage of adults used other drugs while under the influence of alcohol including inhalants (70.3%), cocaine (68.9%), and hallucinogens (63.7%). Moreover, a great percentage of adults (53.4%) reported using methamphetamine while also under the influence of marijuana. Practical Applications: We believe our findings can inform harm reduction efforts and prevention messaging surrounding the dangers of drugged driving.
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Affiliation(s)
- Andrew Yockey
- Health Promotion and Education, School of Human Services, University of Cincinnati, Cincinnati, OH 45221, United States; Center for Prevention Science, Cincinnati, OH 45221, United States.
| | - Rebecca Vidourek
- Health Promotion and Education, School of Human Services, University of Cincinnati, Cincinnati, OH 45221, United States; Center for Prevention Science, Cincinnati, OH 45221, United States
| | - Keith King
- Health Promotion and Education, School of Human Services, University of Cincinnati, Cincinnati, OH 45221, United States; Center for Prevention Science, Cincinnati, OH 45221, United States
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Das S, Tran LN, Theel M. Understanding patterns in Marijuana impaired traffic crashes. JOURNAL OF SUBSTANCE USE 2020. [DOI: 10.1080/14659891.2020.1760381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
| | - Ly-Na Tran
- Texas A&M Transportation Institute, TX, USA
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