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Ge Y, Romley JA, Pacula RL. The Impact of Medicaid Institutions for Mental Disease Exclusion Waivers on the Availability of Substance Abuse Treatment Services and the Varying Effect by Ownership Type. Milbank Q 2024. [PMID: 38966909 DOI: 10.1111/1468-0009.12710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 05/17/2024] [Accepted: 06/12/2024] [Indexed: 07/06/2024] Open
Abstract
Policy Points The adoption of Medicaid institutions for mental disease (IMD) exclusion waivers increases the likelihood of substance abuse treatment facilities offering mental health and substance abuse treatment for co-occurring disorders, especially in residential facilities. There are differential responses to IMD waivers based on facility ownership. For-profit substance abuse treatment facilities are responsive to the adoption of IMD substance use disorder waivers, whereas private not-for-profit and public entities are not. The response of for-profit facilities suggests that integration of substance abuse and mental health treatment for individuals in residential facilities may be cost-effective. CONTEXT Access to integrated care for those with co-occurring mental health (MH) and substance use disorders (SUDs) has been limited because of an exclusion in Medicaid on paying for SUD care for those in institutions for mental disease (IMDs). Starting in 2015, the federal government encouraged states to pursue waivers of this exclusion, and by the end of 2020, 28 states had done so. It is unclear what impact these waivers have had on the availability of care for co-occurring disorders and the characteristics of any facilities that expanded care because of them. METHODS Using data from the National Survey of Substance Abuse Treatment Services, we estimate a two-stage residual inclusion model including time- and state-fixed effects to examine the effect of state IMD SUD waivers on the percentage of facilities offering co-occurring MH and SUD treatment, overall and for residential facilities specifically. Separate analyses are conducted by facility ownership type. FINDINGS Results show that the adoption of an IMD SUD waiver is associated with 1.068 greater odds of that state having facilities offering co-occurring MH and substance abuse (SA) treatment a year or more later. The adoption of a waiver increases the odds of a state's residential treatment facility offering co-occurring MH and SA treatment by 1.129 a year or more later. Additionally, the results suggest 1.163 higher odds of offering co-occurring MH/SA treatment in private for-profit SA facilities in states that adopt an IMD SUD waiver while suggesting no significant impact on offered services by private not-for-profit or public facilities. CONCLUSIONS Our study findings suggest that Medicaid IMD waivers are at least somewhat effective at impacting the population targeted by the policy. Importantly, we find that there are differential responses to these IMD waivers based on facility ownership, providing new evidence for the literature on the role of ownership in the provision of health care.
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Affiliation(s)
- Yimin Ge
- Bloomberg School of Public Health, Johns Hopkins University
- Sol Price School of Public Policy, University of Southern California
- Schaeffer Center for Health Policy and Economics, University of Southern California
| | - John A Romley
- Sol Price School of Public Policy, University of Southern California
- Schaeffer Center for Health Policy and Economics, University of Southern California
| | - Rosalie Liccardo Pacula
- Sol Price School of Public Policy, University of Southern California
- Schaeffer Center for Health Policy and Economics, University of Southern California
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Reed SE, Kerr DCR, Snyder FJ. Latent profile analysis of college students' alcohol and cannabis co-use patterns after recreational cannabis legalization. Addict Behav 2024; 154:108021. [PMID: 38520816 DOI: 10.1016/j.addbeh.2024.108021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 03/15/2024] [Accepted: 03/17/2024] [Indexed: 03/25/2024]
Abstract
OBJECTIVE Evidence is mixed on how young adults' cannabis and alcohol use and co-use patterns have changed following recreational cannabis legalization (RCL). Incorporating measures of frequency and intensity of use we examined changes in college students' use and co-use patterns following RCL. METHOD Four-year college students (n = 845,589) ages 18-24 years participated in the National College Health Assessment between 2008 and 2018, including students from 7 states that enacted RCL and 42 that did not. Latent profile analyses identified six patterns of use from four indicator variables tapping frequency of cannabis use and frequency and intensity of alcohol use: Abstainers, Light Alcohol Only, Heavy Alcohol Only, Predominantly Heavy Cannabis Use, Moderate Co-use, and Heavy Co-use. RESULTS Regression models that adjusted for time and person- and institution-level covariates indicated that students' exposure to RCL was associated with lower odds of being in the two alcohol-only use classes, higher odds of being in the Predominantly Heavy Cannabis Use, Heavy Co-Use and Abstainers classes, and was not significantly related to Moderate Co-Use class membership. CONCLUSIONS RCL was positively associated with patterns of frequent cannabis use and frequent and intense co-use but also with abstinence. Use of alcohol-only became less prevalent after RCL. Research on how RCL influences the prevalence of problematic patterns of substance use will inform and improve prevention efforts.
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Cservenka A, Donahue LC. Emotion Recognition and Self-Reported Emotion Processing in Alcohol and Cannabis Co-Using Young Adults. Behav Sci (Basel) 2024; 14:407. [PMID: 38785898 PMCID: PMC11117838 DOI: 10.3390/bs14050407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/26/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Alcohol and cannabis use are each associated with impairments in emotion recognition accuracy, which may promote interpersonal problems. It is unclear if emotion recognition or self-reported emotion processing differs between young adult alcohol and cannabis co-users (ACCs) and healthy controls (HCs). This study examined whether ACCs and HCs differed in their emotion recognition across two different behavioral tasks with static or dynamic faces and determined if there were differences in self-reported socio-emotional processing and alexithymia. 22 ACCs (mean age = 21.27 ± 1.75) and 25 HCs (mean age = 21.48 ± 2.68), matched on age, sex, and IQ, completed the Metrisquare Emotion Recognition Task and CANTAB Emotion Recognition Task. The ACCs and HCs were compared on task accuracy and self-reported measures, including the Social Emotional Questionnaire (SEQ) and the Perth Alexithymia Questionnaire (PAQ). No significant main effects of the Group variable or the Emotion-Group interaction variable were present for either task. The ACCs had lower SEQ (p = 0.014) and higher PAQ (p = 0.024) scores relative to the HCs, indicating greater difficulties in socio-emotional processing and identifying one's own emotions, respectively. Understanding the behavioral correlates of the self-reported difficulties in emotion processing reported by ACCs is needed to develop interventions to reduce these symptoms and promote healthy socio-emotional functioning in this population.
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Affiliation(s)
- Anita Cservenka
- School of Psychological Science, Oregon State University, 2950 SW Jefferson Way, Corvallis, OR 97331, USA;
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Mital S, Bishop L, Bugden S, Grootendorst P, Nguyen HV. Association between non-medical cannabis legalization and alcohol sales: Quasi-experimental evidence from Canada. Drug Alcohol Depend 2024; 257:111137. [PMID: 38460325 DOI: 10.1016/j.drugalcdep.2024.111137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/04/2024] [Accepted: 02/18/2024] [Indexed: 03/11/2024]
Abstract
BACKGROUND There is increasing interest in understanding the impact of non-medical cannabis legalization on use of other substances, especially alcohol. Evidence on whether cannabis is a substitute or complement for alcohol is both mixed and limited. This study provides the first quasi-experimental evidence on the impact of Canada's legalization of non-medical cannabis on beer and spirits sales. METHODS We used the interrupted time series design and monthly data on beer sales between January 2012 and February 2020 and spirits sales between January 2016 and February 2020 across Canada to investigate changes in beer and spirits sales following Canada's cannabis legalization in October 2018. We examined changes in total sales, nationally and in individual provinces, as well as changes in sales of bottled, canned and kegged beer. RESULTS Canada-wide beer sales fell by 96 hectoliters per 100,000 population (p=0.011) immediately after non-medical cannabis legalization and by 4 hectoliters per 100,000 population (p>0.05) each month thereafter for an average monthly reduction of 136 hectoliters per 100,000 population (p<0.001) post-legalization. However, the legalization was associated with no change in spirits sales. Beer sales reduced in all provinces except the Atlantic provinces. By beer type, the legalization was associated with declines in sales of canned and kegged beer but there was no reduction in sales of bottled beer. CONCLUSIONS Non-medical cannabis legalization was associated with a decline in beer sales in Canada, suggesting substitution of non-medical cannabis for beer. However, there was no change in spirits sales following the legalization.
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Affiliation(s)
- Shweta Mital
- College of Pharmacy, University of Manitoba, Winnipeg, Canada
| | - Lisa Bishop
- School of Pharmacy, Memorial University of Newfoundland, St. John's, Canada
| | - Shawn Bugden
- School of Pharmacy, Memorial University of Newfoundland, St. John's, Canada
| | - Paul Grootendorst
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Hai V Nguyen
- School of Pharmacy, Memorial University of Newfoundland, St. John's, Canada.
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Pawar AKS, Firmin ES, Wilens TE, Hammond CJ. Systematic Review and Meta-Analysis: Medical and Recreational Cannabis Legalization and Cannabis Use Among Youth in the United States. J Am Acad Child Adolesc Psychiatry 2024:S0890-8567(24)00141-2. [PMID: 38552901 DOI: 10.1016/j.jaac.2024.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 02/06/2024] [Accepted: 03/20/2024] [Indexed: 04/10/2024]
Abstract
OBJECTIVE Dramatic changes in state-level cannabis laws (CL) over the past 25 years have shifted societal beliefs throughout the United States, with unknown implications for youth. In the present study, we conducted an updated systematic review and meta-analysis examining estimated effects of medical cannabis legalization (MCL) and recreational cannabis legalization (RCL) on past-month cannabis use among US youth. METHOD A systematic review was conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, followed by a subsequent meta-analysis investigating the associations between state-level cannabis laws (ie, MCL vs non-MCL, and RCL vs non-RCL) and past-month cannabis use prevalence among US adolescents and young adults. Supplemental analyses examined age-group effects and design-related factors. RESULTS Our search identified 4,604 citations, 34 and 30 of which were included in qualitative and quantitative analyses, respectively. Meta-analysis of MCL studies identified no significant association between MCL and change in past-month youth cannabis use (odds ratio [OR] = 0.981, 95% CI = 0.960, 1.003). Meta-analysis of RCL studies showed significantly increased odds of past-month cannabis use (OR = 1.134, 95% CI = 1.116-1.153). Meta-analysis of more recent studies, however, showed a significantly increased odds of past-month cannabis use among both adolescents and young adults (OR = 1.089, 95% CI = 1.015,1.169, and OR = 1.221, 95% CI = 1.188,1.255, respectively). CONCLUSION Cannabis legalization has complex and heterogenous effects on youth use that may differ across law types. Our meta-analytic results showed modest positive effects of RCL on past-month cannabis use (more so in young adults than in adolescents) and minimal effects of MCL on these outcomes in US youth. Given the shift toward recreational legalization, additional focus on RCL effects is warranted.
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Affiliation(s)
- Aditya K S Pawar
- Kennedy Krieger Institute and Johns Hopkins University School of Medicine, Baltimore, Maryland.
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Bleyer A, Barnes B, Finn K. United States marijuana legalization and opioid mortality trends before and during the first year of the COVID-19 pandemic. J Opioid Manag 2024; 20:119-132. [PMID: 38700393 DOI: 10.5055/jom.0829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
BACKGROUND To determine if marijuana legalization was associated with reduced opioid mortality. STUDY DESIGN The United States (US) opioid mortality trend during the 2010-2019 decade was compared in states and District of Columbia (jurisdictions) that had implemented marijuana legalization with states that had not. Acceleration of opioid mortality during 2020, the first year of the coronavirus disease 2019 (COVID-19) pandemic, was also compared in recreational and medicinal-only legalizing jurisdictions. METHODS Joinpoint methodology was applied to the Centers for Disease Control and Prevention WONDER data. Trends in legalizing jurisdictions were cumulative aggregates. RESULTS The overall opioid and fentanyl death rates and the percentage of opioid deaths due to fentanyl increased more during 2010-2019 in jurisdictions that legalized marijuana than in those that did not (pairwise comparison p = 0.007, 0.05, and 0.006, respectively). By 2019, the all-opioid and fentanyl death rates were 44 and 50 percent greater in the legalizing than in the nonlegalizing jurisdictions, respectively. When the COVID-19 pandemic hit in 2020, jurisdictions that implemented recreational marijuana legalization before 2019 had significantly greater increases in both overall opioid and fentanyl death rates than jurisdictions with medicinal-only legalization. For all-opioids, the mean (95 percent confidence interval) 2019-to-2020 increases were 46.5 percent (36.6, 56.3 percent) and 29.1 percent (20.2, 37.9 percent), respectively (p = 0.02). For fentanyl, they were 115.6 percent (80.2, 151.6 percent) and 55.4 percent (31.6, 79.2 percent), respectively (p = 0.01). CONCLUSIONS During the past decade, marijuana legalization in the US was associated at the jurisdiction level with a greater acceleration in opioid death rate. An even greater increase in opioid mortality occurred in recreational-legalizing jurisdictions with the onset of the COVID-19 pandemic. Marijuana legalization is correlated with worsening of the US opioid epidemic.
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Affiliation(s)
- Archie Bleyer
- Oregon Health and Science University, Portland, Oregon; University of Texas McGovern Medical School, Houston, Texas. ORCID: https://orcid.org/0000-0001-7738-5146
| | - Brian Barnes
- St. Charles Healthcare System, Bend, Oregon; PhD Candidate, Integral and Transpersonal Psychology, California Institute of Integral Studies, San Francisco, California
| | - Kenneth Finn
- Springs Rehabilitation, Colorado Springs, Colorado
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Wilds KM, Riddell JR. Cannabis Policy and Consumption: Taking into account Substitution Effects. Subst Use Misuse 2023; 59:97-109. [PMID: 37781770 DOI: 10.1080/10826084.2023.2262012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Background: Previous studies examining the cannabis-alcohol substitution effect have found that medical cannabis policies may result in substituting the use of cannabis in place of alcohol use. Objectives: This study adds to the literature on cannabis-alcohol substitution by analyzing the effect of decriminalization, medicinal cannabis, and adult-use legalization cannabis policies (2002-2019) on cannabis and alcohol use and substance substitution for all 50 states and the District of Columbia (N=867). Results: Results support the notion that liberalized cannabis policies can increase the prevalence of cannabis use. An adult-use legalization specific analysis yielded findings suggesting a complex and heterogenous effect of such laws on cannabis-alcohol complementation. Conclusion: Given the lack of clarity and heterogenous effects of cannabis laws, policy makers should carefully take into consideration the benefits of medical cannabis laws, along with the risks of decriminalization and adult-use legalization.
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Affiliation(s)
- Katherine M Wilds
- Department of Criminology and Criminal Justice, The University of Texas at Dallas, Richardson, United States
| | - Jordan R Riddell
- School of Criminology and Criminal Justice, Missouri State University, Springfield, United States
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Kerr DCR, Levy NS, Bae H, Boustead AE, Martins SS. Cannabis and Alcohol Use by U.S. Young Adults, 2008-2019: Changes in Prevalence After Recreational Cannabis Legalization. Am J Prev Med 2023; 65:983-992. [PMID: 37331488 PMCID: PMC10725514 DOI: 10.1016/j.amepre.2023.06.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 06/12/2023] [Accepted: 06/12/2023] [Indexed: 06/20/2023]
Abstract
INTRODUCTION Young adults' cannabis and alcohol use patterns have changed after state recreational cannabis legalization according to studies based on college samples but not nationally representative samples. Associations between recreational cannabis legalization and changes in cannabis and alcohol use outcomes among young adults were examined, including differences by college enrollment and minor status (ages 18-20 vs 21-23 years). METHODS Repeated cross-sectional data (2008-2019) were collected from college-eligible participants aged 18-23 years in the National Survey on Drug Use and Health. Self-reported past-month cannabis use and frequent use (≥20 days) and a proxy for past-year DSM-5 cannabis use disorder were primary outcomes; past-month frequent alcohol use and binge drinking were secondary outcomes. Multilevel logistic regression models quantified changes in outcome prevalence from the study years before to after recreational cannabis legalization, adjusting for secular trends. Analyses were conducted on March 22, 2022. RESULTS Prevalence increased from before to after recreational cannabis legalization for past-month cannabis use (from 21% to 25%) and past-year proxy cannabis use disorder (from 11% to 13%); the increases were statistically significant [adjusted odds ratio (95% CI) = 1.20 (1.08-1.32) and 1.14 (1.003-1.30), respectively]. Increases were detected for young adults who were not in college and who were aged 21-23 years. Recreational cannabis legalization impacts were not detected for secondary outcomes. CONCLUSIONS Some young adults appear sensitive to state recreational cannabis legalization, including in terms of cannabis use disorder risk. Additional prevention efforts should be directed to young adults who are not in college and timed to occur before age 21 years.
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Affiliation(s)
- David C R Kerr
- School of Psychological Science, Oregon State University, Corvallis, Oregon
| | - Natalie S Levy
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York
| | - Harold Bae
- Biostatistics Program, School of Behavioral and Population Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, Oregon
| | - Anne E Boustead
- School of Government and Public Policy, University of Arizona, Tucson, Arizona
| | - Silvia S Martins
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York
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Sevigny EL, Greathouse J, Medhin DN. Health, safety, and socioeconomic impacts of cannabis liberalization laws: An evidence and gap map. CAMPBELL SYSTEMATIC REVIEWS 2023; 19:e1362. [PMID: 37915420 PMCID: PMC10616541 DOI: 10.1002/cl2.1362] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Background Globally, cannabis laws and regulations are rapidly changing. Countries are increasingly permitting access to cannabis under various decriminalization, medicalization, and legalization laws. With strong economic, public health, and social justice incentives driving these domestic cannabis policy reforms, liberalization trends are bound to continue. However, despite a large and growing body of interdisciplinary research addressing the policy-relevant health, safety, and socioeconomic consequences of cannabis liberalization, there is a lack of robust primary and systematic research that comprehensively investigates the consequences of these reforms. Objectives This evidence and gap map (EGM) summarizes the empirical evidence on cannabis liberalization policies. Primary objectives were to develop a conceptual framework linking cannabis liberalization policies to relevant outcomes, descriptively summarize the empirical evidence, and identify areas of evidence concentration and gaps. Search Methods We comprehensively searched for eligible English-language empirical studies published across 23 academic databases and 11 gray literature sources through August 2020. Additions to the pool of potentially eligible studies from supplemental sources were made through November 2020. Selection Criteria The conceptual framework for this EGM draws upon a legal epidemiological perspective highlighting the causal effects of law and policy on population-level outcomes. Eligible interventions include policies that create or expand access to a legal or decriminalized supply of cannabis: comprehensive medical cannabis laws (MCLs), limited medical cannabidiol laws (CBDLs), recreational cannabis laws (RCLs), industrial hemp laws (IHLs), and decriminalization of cultivations laws (DCLs). Eligible outcomes include intermediate responses (i.e., attitudes/behaviors and markets/environments) and longer-term consequences (health, safety, and socioeconomic outcomes) of these laws. Data Collection and Analysis Both dual screening and dual data extraction were performed with third person deconfliction. Primary studies were appraised using the Maryland Scientific Methods Scale and systematic reviews were assessed using AMSTAR 2. Main Results The EGM includes 447 studies, comprising 438 primary studies and nine systematic reviews. Most research derives from the United States, with little research from other countries. By far, most cannabis liberalization research focuses on the effects of MCLs and RCLs. Studies targeting other laws-including CBDLs, IHLs, and DCLs-are relatively rare. Of the 113 distinct outcomes we documented, cannabis use was the single most frequently investigated. More than half these outcomes were addressed by three or fewer studies, highlighting substantial evidence gaps in the literature. The systematic evidence base is relatively small, comprising just seven completed reviews on cannabis use (3), opioid-related harms (3), and alcohol-related outcomes (1). Moreover, we have limited confidence in the reviews, as five were appraised as minimal quality and two as low quality. Authors’ Conclusions More primary and systematic research is needed to better understand the effects of cannabis liberalization laws on longer-term-and arguably more salient-health, safety, and socioeconomic outcomes. Since most research concerns MCLs and RCLs, there is a critical need for research on the societal impacts of industrial hemp production, medical CBD products, and decriminalized cannabis cultivation. Future research should also prioritize understanding the heterogeneous effects of these laws given differences in specific provisions and implementation across jurisdictions.
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Affiliation(s)
- Eric L. Sevigny
- Department of Criminal Justice and CriminologyGeorgia State UniversityAtlantaGeorgiaUSA
| | - Jared Greathouse
- Department of Criminal Justice and CriminologyGeorgia State UniversityAtlantaGeorgiaUSA
| | - Danye N. Medhin
- Department of Criminal Justice and CriminologyGeorgia State UniversityAtlantaGeorgiaUSA
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Fedorova EV, Mitchel A, Finkelstein M, Ataiants J, Wong CF, Conn BM, Lankenau SE. Pre-Post Cannabis Legalization for Adult Use: A Trend Study of Two Cohorts of Young Adult Cannabis Users in Los Angeles. J Psychoactive Drugs 2023:1-11. [PMID: 37997888 PMCID: PMC11116271 DOI: 10.1080/02791072.2023.2282515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 10/11/2023] [Indexed: 11/25/2023]
Abstract
Cannabis was legalized for adult use in California in 2016 for individuals 21 and older. Among 18-20-years-olds, who can possess cannabis legally as medical cannabis patients (MCP) but not as non-patient cannabis users (NPU), the impact of adult use legalization (AUL) on cannabis and other substance use is unknown. Two cohorts of 18-20-year-old cannabis users (MCP and NPU) were surveyed, one in 2014-15 (n = 172 "pre-AUL") and another in 2019-20 (n = 139 "post-AUL"), using similar data collection methods in Los Angeles, California. Logistic and negative binomial regressions estimated cohort and MCP differences for cannabis and other drug use outcomes based on past 90-day use. In both pre- and post-AUL cohorts, MCP were more likely to self-report medical cannabis use (p < .001) while the post-AUL cohort reported greater use of edibles (p < .01), but fewer mean days of alcohol (p < .05) and cigarette (p < .01) use in multivariate models. Notably, frequency of cannabis use (days or hits per day) did not significantly differ between the pre- and post-AUL cohorts, except for greater use of edibles, despite potentially greater access to cannabis.
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Affiliation(s)
- Ekaterina V. Fedorova
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Allison Mitchel
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Maddy Finkelstein
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Janna Ataiants
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Carolyn F. Wong
- University of Southern California, Keck School of Medicine, Department of Pediatrics, 4650 Sunset Blvd., Los Angeles, CA 90027, United States
- Children’s Hospital Los Angeles, Division of Adolescent Medicine, 4650 Sunset Blvd., MS #2, Los Angeles, CA 90027, United States
- Children’s Hospital Los Angeles, Division of Research on Children, Youth, & Families, 4650 Sunset Blvd., MS #2, Los Angeles, CA 90027, United States
| | - Bridgid M. Conn
- University of Southern California, Keck School of Medicine, Department of Pediatrics, 4650 Sunset Blvd., Los Angeles, CA 90027, United States
- Children’s Hospital Los Angeles, Division of Adolescent Medicine, 4650 Sunset Blvd., MS #2, Los Angeles, CA 90027, United States
| | - Stephen E. Lankenau
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
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Kerr DCR, Owen LD, Tiberio SS, Dilley JA. Recreational Cannabis Legalization and Proximity to Cannabis Retailers as Risk Factors for Adolescents' Cannabis Use. PREVENTION SCIENCE : THE OFFICIAL JOURNAL OF THE SOCIETY FOR PREVENTION RESEARCH 2023; 24:1058-1067. [PMID: 36538207 PMCID: PMC10332794 DOI: 10.1007/s11121-022-01475-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2022] [Indexed: 12/24/2022]
Abstract
Within-person studies are lacking regarding how recreational cannabis legalization (RCL) and the numbers of neighborhood cannabis retailers relate to adolescents' cannabis use. Study participants were 146 offspring (55% girls; 77% White non-Latinx) of men recruited in childhood from neighborhoods with high delinquency rates. Youth were assessed for past-year cannabis and alcohol use one or more times from ages 13 to 20 years (age M[SD] = 16.4 [2.1] years across 422 observations), while they were living in Oregon or Washington from 2005 to 2019 (where cannabis retail stores opened to adults ages 21 years and older in 2014 and 2015, respectively). We calculated distances between addresses of licensed cannabis retailers and participants' homes. Multilevel models that accounted for effects of age on cannabis use did not support that the number of retail stores within 2-, 5-, 10-, or 20-mile radii of adolescents' homes increased likelihood of past-year cannabis use at the within- or between-subjects levels. Likewise, primary models did not support a greater likelihood of cannabis use among youth whose adolescence coincided more fully with the post-RCL period. A secondary model suggested that after adjusting for adolescents' concurrent alcohol use as a marker of general substance use risk, RCL was associated with cannabis use (between-subjects B [95% CI] = .35 [.05-.66], p = .024). Further research is needed with larger prospective samples, at-risk subgroups, and as cannabis markets mature.
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Affiliation(s)
- David C R Kerr
- Oregon Social Learning Center, 10 Shelton McMurphey Blvd, Eugene, OR, 97401, USA.
| | - Lee D Owen
- Oregon Social Learning Center, 10 Shelton McMurphey Blvd, Eugene, OR, 97401, USA
| | - Stacey S Tiberio
- Oregon Social Learning Center, 10 Shelton McMurphey Blvd, Eugene, OR, 97401, USA
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Carrica LK, Choi CY, Walter FA, Noonan BL, Shi L, Johnson CT, Bradshaw HB, Liang NC, Gulley JM. Effects of combined use of alcohol and delta-9-tetrahydrocannibinol on working memory in Long Evans rats. Behav Brain Res 2023; 449:114475. [PMID: 37146720 PMCID: PMC10247469 DOI: 10.1016/j.bbr.2023.114475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/31/2023] [Accepted: 05/02/2023] [Indexed: 05/07/2023]
Abstract
The increase in social acceptance and legalization of cannabis over the last several years is likely to increase the prevalence of its co-use with alcohol. In spite of this, the potential for effects unique to co-use of these drugs, especially in moderate doses, has been studied relatively infrequently. We addressed this in the current study using a laboratory rat model of voluntary drug intake. Periadolescent male and female Long-Evans rats were allowed to orally self-administer ethanol, Δ9-tetrahydrocannibinol (THC), both drugs, or their vehicle controls from postnatal day (P) 30 to P47. They were subsequently trained and tested on an instrumental behavior task that assesses attention, working memory and behavioral flexibility. Similar to previous work, consumption of THC reduced both ethanol and saccharin intake in both sexes. Blood samples taken 14 h following the final self-administration session revealed that females had higher levels of the THC metabolite THC-COOH. There were modest effects of THC on our delayed matching to position (DMTP) task, with females exhibiting reduced performance compared to their control group or male, drug using counterparts. However, there were no significant effects of co-use of ethanol or THC on DMTP performance, and drug effects were also not apparent in the reversal learning phase of the task when non-matching to position was required as the correct response. These findings are consistent with other published studies in rodent models showing that use of these drugs in low to moderate doses does not significantly impact memory or behavioral flexibility following a protracted abstinence period.
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Affiliation(s)
- Lauren K Carrica
- Department of Psychology, University of Illinois at Urbana-Champaign, USA
| | - Chan Young Choi
- Department of Psychology, University of Illinois at Urbana-Champaign, USA
| | - Francis A Walter
- Neuroscience Program, University of Illinois at Urbana-Champaign, USA
| | - Brynn L Noonan
- Department of Psychology, University of Illinois at Urbana-Champaign, USA
| | - Linyuan Shi
- Department of Psychology, University of Illinois at Urbana-Champaign, USA
| | - Clare T Johnson
- Department of Psychological & Brain Science, Indiana University, Bloomington, IN, USA
| | - Heather B Bradshaw
- Department of Psychological & Brain Science, Indiana University, Bloomington, IN, USA
| | - Nu-Chu Liang
- Department of Psychology, University of Illinois at Urbana-Champaign, USA; Neuroscience Program, University of Illinois at Urbana-Champaign, USA
| | - Joshua M Gulley
- Department of Psychology, University of Illinois at Urbana-Champaign, USA; Neuroscience Program, University of Illinois at Urbana-Champaign, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, USA.
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13
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Kerr DCR, Bae H. Comparing National College Health Assessment with other surveys of cannabis use and binge drinking among young adult college students 2008-2018. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2023:1-8. [PMID: 37167585 DOI: 10.1080/07448481.2023.2201859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Objective: We considered the utility of National College Health Assessment (NCHA) data relative to other national data for studying college students' cannabis use and binge drinking, and drug policy effects. Participants: Survey data on 18-22-year old college students were drawn from the 2008-2018 NCHA, National Survey on Drug Use and Health (NSDUH), Monitoring the Future (MTF), and Healthy Minds Study (HMS). Methods: Prevalence estimates were compared across data sources in terms of level and change from 2008-2018 using linear regressions, separately for men and women. Results: Mean prevalence estimates for 30-day cannabis use and 2-week binge drinking, and linear time trends did not differ significantly among NCHA, NSDUH, and MTF. Conclusions: NCHA prevalence estimates are similar to those from NSDUH and MTF, NCHA has unique strengths, and some weaknesses can be offset. Findings support the value of NCHA for studying college students' substance use and effects of drug policy.
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Affiliation(s)
- David C R Kerr
- School of Psychological Science, Oregon State University, Corvallis, Oregon, USA
| | - Harold Bae
- Biostatistics Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, Oregon, USA
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14
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Gonçalves PD, Levy NS, Segura LE, Bruzelius E, Boustead AE, Hasin DS, Mauro PM, Martins SS. Cannabis Recreational Legalization and Prevalence of Simultaneous Cannabis and Alcohol Use in the United States. J Gen Intern Med 2023; 38:1493-1500. [PMID: 36451010 PMCID: PMC10160263 DOI: 10.1007/s11606-022-07948-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/14/2022] [Indexed: 12/02/2022]
Abstract
BACKGROUND Simultaneous cannabis/alcohol use, using both substances within a short time interval so that their effects overlap, has a greater risk of potential negative consequences than single-substance use and is more common in younger age. Relationships between recreational cannabis laws (RCLs) and changes in simultaneous cannabis/alcohol use prevalence remain untested. OBJECTIVE To examine trends in simultaneous cannabis/alcohol use from 2008 to 2019, and investigate associations between implementation of RCLs (i.e., presence of active legal dispensaries or legal home cultivation) and simultaneous cannabis/alcohol use in the United States (U.S.). DESIGN Repeated cross-sectional samples from the 2008-2019 U.S. National Survey on Drug Use and Health (NSDUH). PARTICIPANTS Respondents (51% female) aged 12 and older. INTERVENTIONS Changes in simultaneous cannabis/alcohol use before and after RCL implementation (controlling for medical cannabis law implementation) were compared in different age groups (12-20, 21-30, 31-40, 41-50, 51+), using adjusted multi-level logistic regression with state random intercepts and an RCL/age group interaction. MEASUREMENTS Self-reported simultaneous cannabis/alcohol use. RESULTS From 2008 to 2019, the overall prevalence of simultaneous cannabis/alcohol use declined among those aged 12-20 but increased in adults aged 21+. Model-based simultaneous cannabis/alcohol use prevalence increased after RCL implementation among respondents aged 21-30 years (+1.2%; aOR= 1.15 [95%CI = 1.04-1.27]), 31-40 years (+1.0; 1.15 [1.04-1.27]), and 41-50 years (+1.75; 1.63 [1.34-1.98]), but not in individuals aged <21 or 51+ years. CONCLUSIONS Implementation of recreational cannabis policies resulted in increased simultaneous use of cannabis and alcohol, supporting the complementarity hypothesis, but only among adults aged 21+. Efforts to minimize harms related to simultaneous cannabis/alcohol use are critical, especially in states with RCLs. Future studies should investigate cultural norms, perceived harm, and motives related to simultaneous use.
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Affiliation(s)
- Priscila Dib Gonçalves
- Department of Epidemiology, Columbia University Mailman School of Public Health, 722 West 168th St Room 509, New York, NY, 10032, USA
| | - Natalie S Levy
- Department of Epidemiology, Columbia University Mailman School of Public Health, 722 West 168th St Room 509, New York, NY, 10032, USA
| | - Luis E Segura
- Department of Epidemiology, Columbia University Mailman School of Public Health, 722 West 168th St Room 509, New York, NY, 10032, USA
| | - Emilie Bruzelius
- Department of Epidemiology, Columbia University Mailman School of Public Health, 722 West 168th St Room 509, New York, NY, 10032, USA
| | - Anne E Boustead
- School of Government & Public Policy, University of Arizona, Tucson, USA
| | - Deborah S Hasin
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | - Pia M Mauro
- Department of Epidemiology, Columbia University Mailman School of Public Health, 722 West 168th St Room 509, New York, NY, 10032, USA
| | - Silvia S Martins
- Department of Epidemiology, Columbia University Mailman School of Public Health, 722 West 168th St Room 509, New York, NY, 10032, USA.
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15
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Dave D, Liang Y, Pesko MF, Phillips S, Sabia JJ. Have recreational marijuana laws undermined public health progress on adult tobacco use? JOURNAL OF HEALTH ECONOMICS 2023; 90:102756. [PMID: 37163862 DOI: 10.1016/j.jhealeco.2023.102756] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/01/2023] [Accepted: 04/03/2023] [Indexed: 05/12/2023]
Abstract
Public health experts caution that legalization of recreational marijuana may normalize smoking and undermine the decades-long achievements of tobacco control policy. However, very little is known about the impact of recreational marijuana laws (RMLs) on adult tobacco use. Using newly available data from the Population Assessment of Tobacco and Health (PATH) and dynamic difference-in-differences and discrete-time hazard approaches, we find that RML adoption increases prior-month marijuana use among adults ages 18-and-older by 2-percentage-points, driven by an increase in marijuana initiation among prior non-users. However, this increase in adult marijuana use does not extend to tobacco use. Rather, we find that RML adoption is associated with a lagged reduction in electronic nicotine delivery systems (ENDS) use, consistent with the hypothesis that ENDS and marijuana are substitutes. Moreover, auxiliary analyses from the National Survey on Drug Use and Health (NSDUH) show that RML adoption is associated with a reduction in adult cigarette smoking. We conclude that RMLs may generate tobacco-related health benefits.
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Affiliation(s)
- Dhaval Dave
- Department of Economics, Bentley University, NBER & IZA, 175 Forest Street, AAC 197, Waltham, MA 20452, USA.
| | - Yang Liang
- College of Arts & Letters, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Michael F Pesko
- Department of Economics, Andrew Young School of Policy Studies, Georgia State University & IZA, 55 Park Place, Room 657, Atlanta, GA 30303, USA
| | - Serena Phillips
- Department of Economics, Andrew Young School of Policy Studies, Georgia State University, 55 Park Place, Room 657, Atlanta, GA 30303, USA
| | - Joseph J Sabia
- College of Arts & Letters, San Diego State University & IZA, 5500 Campanile Drive, San Diego, CA 92182, USA
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16
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Carrica LK, Choi CY, Walter FA, Noonan BL, Shi L, Johnson CT, Bradshaw HB, Liang NC, Gulley JM. Effects of combined use of alcohol and delta-9-tetrahydrocannibinol on working memory in Long Evans rats. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.02.526698. [PMID: 36778500 PMCID: PMC9915622 DOI: 10.1101/2023.02.02.526698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
The increase in social acceptance and legalization of cannabis over the last several years is likely to increase the prevalence of its co-use with alcohol. In spite of this, the potential for effects unique to co-use of these drugs, especially in moderate doses, has been studied relatively infrequently. We addressed this in the current study using a laboratory rat model of voluntary drug intake. Periadolescent male and female Long-Evans rats were allowed to orally self-administer ethanol, Î" 9 -tetrahydrocannibinol (THC), both drugs, or their vehicle controls from postnatal day (P) 30 to P47. They were subsequently trained and tested on an instrumental behavior task that assesses attention, working memory and behavioral flexibility. Similar to previous work, consumption of THC reduced both ethanol and saccharin intake in both sexes. Blood samples taken 14h following the final self-administration session revealed that females had higher levels of the THC metabolite THC-COOH. There were modest effects of THC on our delayed matching to position (DMTP) task, with females exhibiting reduced performance compared to their control group or male, drug using counterparts. However, there were no significant effects of co-use of ethanol or THC on DMTP performance, and drug effects were also not apparent in the reversal learning phase of the task when non-matching to position was required as the correct response. These findings are consistent with other published studies in rodent models showing that use of these drugs in low to moderate doses does not significantly impact memory or behavioral flexibility following a protracted abstinence period.
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Affiliation(s)
- Lauren K. Carrica
- Department of Psychology, University of Illinois at Urbana-Champaign
| | - Chan Young Choi
- Department of Psychology, University of Illinois at Urbana-Champaign
| | | | - Brynn L. Noonan
- Department of Psychology, University of Illinois at Urbana-Champaign
| | - Linyuan Shi
- Department of Psychology, University of Illinois at Urbana-Champaign
| | - Clare T. Johnson
- Department of Psychological & Brain Science, Indiana University, Bloomington, Indiana
| | - Heather B. Bradshaw
- Department of Psychological & Brain Science, Indiana University, Bloomington, Indiana
| | - Nu-Chu Liang
- Department of Psychology, University of Illinois at Urbana-Champaign
- Neuroscience Program, University of Illinois at Urbana-Champaign
| | - Joshua M. Gulley
- Department of Psychology, University of Illinois at Urbana-Champaign
- Neuroscience Program, University of Illinois at Urbana-Champaign
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign
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17
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Armstrong MJ. Relationships between sales of legal medical cannabis and alcohol in Canada . Health Policy 2023; 128:28-33. [PMID: 36443110 DOI: 10.1016/j.healthpol.2022.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/19/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022]
Abstract
The extent to which legalizing cannabis use might lead to increased or decreased alcohol use has important implications for public health, economic growth, and government policy. This study analyzed Canada's monthly per capita sales of alcohol and legal medical cannabis using fixed effect panel data linear regressions. The data covered seven Canadian regions from January 2011 to September 2018, and controlled for changing levels of retail activity, alcohol prices, tertiary education, unemployment, and impaired driving penalties. The analysis estimated that each dollar of legal medical cannabis sold was associated with an average alcohol sales decrease of roughly $0.74 to $0.84. This suggests that medical cannabis was an economic substitute for alcohol in Canada, and that the country's 2017-2018 alcohol sales were roughly 1.8% lower than they would have been without legal medical cannabis. The results therefore indirectly imply that reduced alcohol consumption might have partly offset cannabis legalization's health and economic impacts.
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Affiliation(s)
- Michael J Armstrong
- FOIS, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, ON, L2S 3A1, Canada.
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18
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Athanassiou M, Dumais A, Zouaoui I, Potvin S. The clouded debate: A systematic review of comparative longitudinal studies examining the impact of recreational cannabis legalization on key public health outcomes. Front Psychiatry 2023; 13:1060656. [PMID: 36713920 PMCID: PMC9874703 DOI: 10.3389/fpsyt.2022.1060656] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/20/2022] [Indexed: 01/27/2023] Open
Abstract
Background Ineffective cannabis regulatory frameworks such as prohibition have sparked interest in alternative solutions to reduce individual and societal harms. While it has been suggested that the recreational legalization process has yielded early successes, the relatively recent implementation of the novel policies has provided a modest time frame for a truly thorough establishment and assessment of key population-level indicators. The following systematic review focuses on identifying the downstream public health sequelae of cannabis legalization policies, including parameters such as cannabis consumption rates, hospitalization rates, vehicular accidents and fatalities, criminal activity, and suicidal behaviors, as well as other substance use trends. Methods An exhaustive search of the MEDLINE and Google Scholar databases were performed to identify high-quality (1) longitudinal studies, which (2) compared key public health outcomes between regions which had and had not implemented recreational cannabis legalization (RML) policies, (3) using distinct databases and/or time frames. Thirty-two original research articles were retained for review. Results Adult past-month cannabis consumption (26+ years) seems to have significantly increased following RML, whereas young adult (18-26 years) and adolescent (12-17 years) populations do not show a significant rise in past-month cannabis use. RML shows preliminary trends in increasing service use (such as hospitalizations, emergency department visits, or poisonings) or vehicular traffic fatalities. Preliminary evidence suggests that RML is related to potential increases in serious/violent crimes, and heterogeneous effects on suicidal behaviors. While the research does not illustrate that RML is linked to changing consumptions patterns of cigarette, stimulant, or opioid use, alcohol use may be on the rise, and opioid prescribing patterns are shown to be significantly correlated with RML. Conclusion The current data supports the notion that RML is correlated with altered cannabis consumption in adults, potentially increased criminal activity, and a decline in opioid quantities and prescriptions provided to patients. Future work should address additional knowledge gaps for vulnerable populations, such as individuals with mental health problems or persons consuming cannabis frequently/at higher THC doses. The effects of varying legalization models should also be evaluated for their potentially differing impacts on population-level outcomes.
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Affiliation(s)
- Maria Athanassiou
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
| | - Alexandre Dumais
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
- Philippe-Pinel National Institute of Legal Psychiatry, Montreal, QC, Canada
| | - Inès Zouaoui
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
| | - Stéphane Potvin
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
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19
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Nguyen HV, Mital S, Bornstein S. Short-Term Effects of Recreational Cannabis Legalization on Youth Cannabis Initiation. J Adolesc Health 2023; 72:111-117. [PMID: 36243557 DOI: 10.1016/j.jadohealth.2022.09.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 07/29/2022] [Accepted: 09/01/2022] [Indexed: 11/07/2022]
Abstract
PURPOSE As recreational cannabis is legalized, it is critical to know the impacts of legalization on youth cannabis use. Existing research generates conflicting results and does not shed light on channels of effects. This study investigates the impacts of legalization on youth cannabis initiation and overall cannabis use prevalence. METHODS We used Interrupted Time Series design and data from nationally-representative repeated cross-sectional Canadian surveys spanning 16 years. The primary outcomes were cannabis initiation rates and cannabis use prevalence among youths. The secondary outcomes were self-reported age of first cannabis use, ease of cannabis access, and perception of cannabis harm among youths. RESULTS After legalization, cannabis initiation rate among youths was 2.7 percentage points (95% confidence interval: 1.7-3.7; p < .01) or 69% higher, although there was no significant increase in the overall prevalence of cannabis use. Furthermore, there was a 4-month delay in the average age of first cannabis use among youths aged 17-18 years (95% confidence interval: 2.6-5.5 months; p < .01). The legalization was associated with greater perception of cannabis harm but also easier access to cannabis. DISCUSSION The impacts of legalization on youth cannabis use after 1 year are mixed. Although we observed an increase in cannabis initiation among youths who had never used cannabis, there was no change in the overall prevalence of cannabis use, implying a possible offsetting increase in cannabis cessation among existing users. To achieve legalization's goal of reducing youth cannabis use, policy measures are needed to curb youth cannabis access and initiation.
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Affiliation(s)
- Hai V Nguyen
- School of Pharmacy, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada.
| | - Shweta Mital
- School of Pharmacy, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada
| | - Stephen Bornstein
- Faculty of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada
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20
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Windle SB, Socha P, Nazif-Munoz JI, Harper S, Nandi A. The Impact of Cannabis Decriminalization and Legalization on Road Safety Outcomes: A Systematic Review. Am J Prev Med 2022; 63:1037-1052. [PMID: 36167602 DOI: 10.1016/j.amepre.2022.07.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/30/2022] [Accepted: 07/25/2022] [Indexed: 11/15/2022]
Abstract
INTRODUCTION There is substantial debate concerning the impact of cannabis decriminalization and legalization on road safety outcomes. METHODS Seven databases were systematically searched: Embase, MEDLINE, and PsycINFO through Ovid as well as Web of Science Core Collection, SafetyLit, Criminal Justice Database (ProQuest), and Transport Research International Documentation (from inception to June 16, 2021). Eligible primary studies examined group-level cannabis decriminalization or legalization and a road safety outcome in any population. RESULTS A total of 65 reports of 64 observational studies were eligible, including 39 that applied a quasi-experimental design. Studies examined recreational cannabis legalization (n=50), medical cannabis legalization (n=22), and cannabis decriminalization (n=5). All studies except 1 used data from the U.S. or Canada. Studies found mixed impacts of legalization on attitudes, beliefs, and self-reported driving under the influence. Medical legalization, recreational legalization, and decriminalization were associated with increases in positive cannabis tests among drivers. Few studies examined impacts on alcohol or other drug use, although findings suggested a decrease in positive alcohol tests among drivers associated with medical legalization. Medical legalization was associated with reductions in fatal motor-vehicle collisions, whereas recreational legalization was conversely associated with increases in fatal collisions. DISCUSSION Increased cannabis positivity may reflect changes in cannabis use; however, it does not in itself indicate increased impaired driving. Subgroups impacted by medical and recreational legalization, respectively, likely explain opposing findings for fatal collisions. More research is needed concerning cannabis decriminalization; the impacts of decriminalization and legalization on nonfatal injuries, alcohol and other drugs; and the mechanisms by which legalization impacts road safety outcomes.
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Affiliation(s)
- Sarah B Windle
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada; Institute for Health and Social Policy, School of Population and Global Health, McGill University, Montreal, Quebec, Canada.
| | - Peter Socha
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada
| | - José Ignacio Nazif-Munoz
- Programmes d'études et de recherche en toxicomanie, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Longueuil, Quebec, Canada
| | - Sam Harper
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada; Institute for Health and Social Policy, School of Population and Global Health, McGill University, Montreal, Quebec, Canada
| | - Arijit Nandi
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada; Institute for Health and Social Policy, School of Population and Global Health, McGill University, Montreal, Quebec, Canada
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21
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Muldrow AF, Joo J, Lee YJ, Schultz CP. Sharing pro-marijuana messaging on social media: The moderating role of legislation. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2022; 70:2318-2326. [PMID: 33522463 DOI: 10.1080/07448481.2020.1851694] [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: 10/23/2019] [Revised: 10/28/2020] [Accepted: 11/06/2020] [Indexed: 06/12/2023]
Abstract
ObjectivesThis study investigates whether recreational marijuana legislation and perceived social norms (descriptive and injunctive) affect college students' propensity to share pro-marijuana messages. We examine which referent group (close friends, typical student, parents) most influence those norms. Participants: A sample of 343 college students participated in the study. Of these students, 214 were from Washington State, where recreational marijuana is legal, and 129 were from Wyoming, where recreational marijuana is illegal. Method: Data, from an online survey, were analyzed through PROCESS analyses. Results: College students in Washington State who believed a typical peer would want them to share pro-marijuana messaging were marginally more likely to share pro-marijuana messages than their counterparts in Wyoming. However, among students who thought a typical peer would not approve of them sharing pro-marijuana messaging, the opposite pattern emerged. Conclusion: Restrictive recreational marijuana legislation does not uniformly abate related message sharing on social media.
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Affiliation(s)
- Adrienne F Muldrow
- College of Communication, College of Fine Arts and Communication, East Carolina University, Greenville, North Carolina, USA
| | - Jinho Joo
- Edward R. Murrow College of Communication, Washington State University, Pullman, Washington, USA
| | - Yoon-Joo Lee
- Edward R. Murrow College of Communication, Washington State University, Pullman, Washington, USA
| | - Cindy Price Schultz
- Department of Communication and Journalism, University of Wyoming, Laramie, Wyoming, USA
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22
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Montemayor BN, Noland M, Barry AE. College students mandated to substance use courses: Age-of-onset as a predictor of contemporary polysubstance use. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2022:1-8. [PMID: 36194393 DOI: 10.1080/07448481.2022.2128682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 09/09/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Objective: College campuses report alcohol and other drug policy violations as the most frequent reason students receive disciplinary referrals and, thus, are mandated to programming. This study sought to determine predictors of mandated students' alcohol use frequency, and the likelihood of early-onset alcohol using college students enrolled in mandated programming engaging in current polysubstance use. Methods and participants: Employing a purposive sampling method, n = 822 participants were recruited from a pool of students who violated their university's alcohol policy between October 2019 and July 2021. Results: Data analysis revealed early-onset alcohol use (p < .001), gender ID (p < .01), Greek Affiliation (p < .001), ethnicity (p < .05), and perceived norms (p < .001) significantly predicted alcohol frequency. Analysis also revealed engaging in early-onset alcohol use significantly predicted current participation in polysubstance use (p < 0.01), outside of controls. Conclusions: University programs should consider exploring polysubstance use targeted interventions to mitigate these harmful behaviors and associated negative consequences.
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Affiliation(s)
- Benjamin N Montemayor
- Department of Health Behavior, Texas A&M University School of Public Health, College Station, Texas, USA
| | - Melody Noland
- Department of Kinesiology and Health Promotion, University of Kentucky, Lexington, Kentucky, USA
| | - Adam E Barry
- Department of Health Behavior, Texas A&M University School of Public Health, College Station, Texas, USA
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23
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Fleming CB, Ramirez JJ, Rhew IC, Hultgren BA, Hanson KG, Larimer ME, Dilley JA, Kilmer JR, Guttmannova K. Trends in Alcohol, Cigarette, E-Cigarette, and Nonprescribed Pain Reliever Use Among Young Adults in Washington State After Legalization of Nonmedical Cannabis. J Adolesc Health 2022; 71:47-54. [PMID: 35550333 PMCID: PMC9232986 DOI: 10.1016/j.jadohealth.2022.03.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 11/21/2022]
Abstract
PURPOSE Liberalization of cannabis laws may be accompanied by changes in the use of substances other than cannabis and changes in associations of cannabis use with other types of substance use. This study assessed (1) trends in alcohol, nicotine, and nonprescribed pain reliever use and (2) changes in associations of cannabis use with these other substances among young adults in Washington State after nonmedical cannabis legalization. METHODS Regression models stratified by age (18-20 vs. 21-25) were used to analyze six annual waves of cross-sectional survey data from a statewide sample from 2014 through 2019 (N = 12,694). RESULTS Prevalence of past-month alcohol use, heavy episodic drinking (HED), and cigarette use and prevalence of past-year pain reliever misuse decreased, while the prevalence of past-month e-cigarette use increased since 2016 (the first year assessed). Across years and age groups, the prevalence of substance use other than cannabis was higher among occasional and frequent cannabis users compared to cannabis nonusers. However, associations between both occasional (1-19 days in the prior month) and frequent (20+ days) cannabis use and pain reliever misuse and between frequent cannabis use and HED weakened over time among individuals ages 21-25. DISCUSSION Contrary to concerns about spillover effects, implementation of legalized nonmedical cannabis coincided with decreases in alcohol and cigarette use and pain reliever misuse. The weakening association of cannabis use with the use of other substances among individuals ages 21-25 requires further research but may suggest increased importance of cannabis-specific prevention and treatment efforts.
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Affiliation(s)
- Charles B Fleming
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington.
| | - Jason J Ramirez
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
| | - Isaac C Rhew
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
| | - Brittney A Hultgren
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
| | - Koren G Hanson
- School of Social Work, University of Washington, Seattle, Washington
| | - Mary E Larimer
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
| | - Julia A Dilley
- Multnomah County Health Department and Oregon Health Authority Public Health Division, Portland, Oregon
| | - Jason R Kilmer
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
| | - Katarina Guttmannova
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington
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Richter L. The Prevention of Nonmedical Marijuana Use Must Extend Past Adolescence. J Adolesc Health 2022; 71:6-7. [PMID: 35718391 DOI: 10.1016/j.jadohealth.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 10/18/2022]
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Weinberger AH, Wyka K, Kim JH, Smart R, Mangold M, Schanzer E, Wu M, Goodwin RD. A difference-in-difference approach to examining the impact of cannabis legalization on disparities in the use of cigarettes and cannabis in the United States, 2004-17. Addiction 2022; 117:1768-1777. [PMID: 34985165 DOI: 10.1111/add.15795] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 12/14/2021] [Indexed: 12/15/2022]
Abstract
AIMS To estimate the impact of recreational and medical cannabis laws (RCL, MCL) on the use of cannabis and cigarettes in the United States. DESIGN A difference-in-difference approach was applied to data from the 2004-17 National Survey on Drug Use and Health (NSDUH). SETTING United States. PARTICIPANTS Nationally representative cross-sectional survey of Americans aged 12 years and older (combined analytical sample for 2004-17, n = 783 663). MEASUREMENTS Data on past-month use of (1) cigarettes and (2) cannabis were used to classify respondents into four groups: cigarette and cannabis co-use, cigarette-only use, cannabis-only use or no cigarette or cannabis use. State of residence was measured by self-report. MCL/RCL status came from state government websites. FINDINGS Difference-in-difference analyses suggest that MCL was associated with an increase in cigarette-cannabis co-use overall [adjusted odds ratio (aOR) = 1.09; 95% confidence interval (CI) = 1.02-1.16], with the greatest increases among those aged 50 years and above (aOR = 1.60; CI = 1.39-1.84), married (aOR = 1.19; CI = 1.07-1.31), non-Hispanic (NH) black (aOR = 1.14; CI = 1.02-1.07) and with a college degree or above (aOR = 1.15; CI = 1.06-1.24). MCL was associated with increases in cigarette-only use among those aged 50 years and above (aOR = 1.07; CI = 1.01-1.14) and NH black (aOR = 1.16; CI = 1.06-1.27) and increases in cannabis-only use among those aged 50 years and above (aOR = 1.24; CI = 1.07-1.44) and widowed/divorced/separated (aOR = 1.18; CI = 1.01-1.37). RCL was associated with an increase in cannabis-only use overall (aOR = 1.21; 95% CI = 1.09-1.34), a decline in cigarette-only use overall (aOR = 0.89; 95% CI = 0.81-0.97) and increases in co-use among those who were married (aOR = 1.24; CI = 1.02-1.50) and aged 50 years and above (aOR = 1.37; CI = 1.03-1.84). CONCLUSIONS Recreational and medical cannabis legalization have had a varying impact on the use, and co-use, of cannabis and cigarettes in the United States.
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Affiliation(s)
- Andrea H Weinberger
- Ferkauf Graduate School of Psychology, Yeshiva University, Bronx, NY, USA.,Department of Epidemiology and Population Health, Yeshiva University Albert Einstein College of Medicine, Bronx, NY, USA
| | - Katarzyna Wyka
- Department of Epidemiology and Biostatistics, Graduate School of Public Health and Health Policy, The City University of New York, New York, NY, USA
| | - June H Kim
- Institute for Implementation Science in Population Health, The City University of New York, New York, NY, USA
| | | | - Michael Mangold
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Ellen Schanzer
- Ferkauf Graduate School of Psychology, Yeshiva University, Bronx, NY, USA
| | - Melody Wu
- Department of Epidemiology and Biostatistics, Graduate School of Public Health and Health Policy, The City University of New York, New York, NY, USA.,Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Renee D Goodwin
- Department of Epidemiology and Biostatistics, Graduate School of Public Health and Health Policy, The City University of New York, New York, NY, USA.,Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
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Weyandt LL, Gudmundsdottir BG, Holding EZ, Marraccini ME, Keith M, May SE, Shepard E, Francis A, Wilson ED, Channell I, Sweeney C. Prescription opioid misuse among university students: A systematic review. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2022; 70:1119-1137. [PMID: 32780647 DOI: 10.1080/07448481.2020.1786095] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 05/08/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
Misuse of prescription opioids has substantially increased in the past decade among the general population, including among university students. Relative to the literature concerning opioid misuse among the general population, little information is available regarding the college student population. Objective: The purpose of the present study was to conduct a systematic review of the literature concerning the prevalence of prescription opioid misuse among the university student population. Results: The lifetime estimate for prescription opioid misuse among general populations of students ranged from 4% to 19.7%, with higher estimates for special student populations. Students most at risk for misuse of prescription opioids are those who report higher rates of psychological distress, depression, and suicidal thoughts and behaviors, and white, male students who use alcohol and illicit drugs. Conclusions: Findings from this study underscore the need for opioid prevention and intervention programs on university campuses.
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Affiliation(s)
- Lisa L Weyandt
- Department of Psychology, University of Rhode Island, Kingston, Rhode Island, USA
| | | | - Emily Z Holding
- School of Education, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Marisa E Marraccini
- School of Education, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Megan Keith
- Department of Psychology, University of Rhode Island, Kingston, Rhode Island, USA
| | - Shannon E May
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, Connecticut, USA
| | - Emily Shepard
- Department of Psychology, University of Rhode Island, Kingston, Rhode Island, USA
| | - Alyssa Francis
- Department of Psychology, University of Rhode Island, Kingston, Rhode Island, USA
| | - Elizabeth D Wilson
- School of Education, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Isabella Channell
- Department of Psychology, University of Rhode Island, Kingston, Rhode Island, USA
| | - Caroline Sweeney
- Department of Psychology, University of Rhode Island, Kingston, Rhode Island, USA
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Pacula RL, Smart R, Lira MC, Pessar SC, Blanchette JG, Naimi TS. Relationships of Cannabis Policy Liberalization With Alcohol Use and Co-Use With Cannabis: A Narrative Review. Alcohol Health Res World 2022; 42:06. [PMID: 35360879 PMCID: PMC8936161 DOI: 10.35946/arcr.v42.1.06] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
PURPOSE The liberalization of cannabis policies has the potential to affect the use of other substances and the harms from using them, particularly alcohol. Although a previous review of this literature found conflicting results regarding the relationship between cannabis policy and alcohol-related outcomes, cannabis policies have continued to evolve rapidly in the years since that review. SEARCH METHODS The authors conducted a narrative review of studies published between January 1, 2015, and December 31, 2020, that assessed the effects of cannabis policies on the use of alcohol in the United States or Canada. SEARCH RESULTS The initial search identified 3,446 unique monographs. Of these, 23 met all inclusion criteria and were included in the review, and five captured simultaneous or concurrent use of alcohol and cannabis. DISCUSSION AND CONCLUSIONS Associations between cannabis policy liberalization and alcohol use, alcohol-related outcomes, and the co-use of alcohol and cannabis were inconclusive, with studies finding positive associations, no associations, and negative associations. Although several studies found that cannabis policy liberalization was associated with decreases in alcohol use measures, these same studies showed no impact of the cannabis policy on cannabis use itself. The lack of a consistent association was robust to subject age, outcome measure (e.g., use, medical utilization, driving), and type of cannabis policy; however, this may be due to the small number of studies for each type of outcome. This paper discusses several notable limitations of the evidence base and offers suggestions for improving consistency and comparability of research going forward, including a stronger classification of cannabis policy, inclusion of measures of the alcohol policy environment, verification of the impact of cannabis policy on cannabis use, and consideration of mediation effects.
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Affiliation(s)
| | | | | | | | | | - Timothy S Naimi
- Canadian Institute for Substance Use Research, Victoria, British Columbia, Canada
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28
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Kan E, Beardslee J, Steinberg L, Frick PJ, Cauffman E. Impact of recreational cannabis legalization on cannabis use, other substance use, and drug-related offending among justice-system-involved youth. BEHAVIORAL SCIENCES & THE LAW 2022; 40:292-309. [PMID: 35460288 DOI: 10.1002/bsl.2573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/28/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
The present study assessed whether cannabis use, other types of substance use, and drug-related offending changed among 1216 justice-system-involved youth after recreational cannabis legalization. Using generalized estimating equation population-averaged models, we compared youth in California, where recreational cannabis is legalized, and Pennsylvania, where recreational use is still prohibited. Results indicated that cannabis use, cannabis selling, and driving under the influences (DUIs) increased more among Pennsylvanian than Californian youth. We found no changes in alcohol or noncannabis drug use after legalization. Cigarette use did not change significantly among Pennsylvanian youth, but Californian youth exhibited decreased cigarette use after legalization. Although not directly tested in the present analysis, it is possible that changes in state-level recreational cannabis policies throughout the U.S. may contribute to more permissive attitudes toward cannabis, which leads to higher use and use-related outcomes. Future research should continue to consider the potential impacts of legalization on other types of risky and illegal behavior.
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Affiliation(s)
- Emily Kan
- Department of Psychological Science, University of California, Irvine, California, USA
| | - Jordan Beardslee
- Department of Psychological Science, University of California, Irvine, California, USA
| | - Laurence Steinberg
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
| | - Paul J Frick
- Department of Psychology, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Elizabeth Cauffman
- Department of Psychological Science, University of California, Irvine, California, USA
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Chandler L, Abdujawad AW, Mitra S, McEligot AJ. Marijuana use and high-risk health behaviors among diverse college students post- legalization of recreational marijuana use. PUBLIC HEALTH IN PRACTICE 2021; 2. [PMID: 34888536 PMCID: PMC8654161 DOI: 10.1016/j.puhip.2021.100195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Objectives This study examined high-risk health behaviors in marijuana-users among a diverse college population in Southern California, post legalization of marijuana for recreational use. Study design A cross-sectional research design was employed utilizing existing data via the 2018 National College Health Assessment (NCHA) from a large Minority-Serving Institution (MSI) population [n = 1345 (Hispanic/Latino/a, n = 456; White, n = 353; Asian Pacific Islander (API), n = 288; Multiracial/Biracial, n = 195; Other, n = 53)]. Methods Chi square and t-tests assessed differences in descriptive characteristics (age, gender, race/ethnicity and GPA) and high-risk behaviors (alcohol, tobacco and sexual behaviors) among marijuana users and non-users. Logistic regression analyses examined the relationship between race/ethnicity and high-risk behaviors with marijuana use (dependent variable). Results Among marijuana-users, significant (p = 0.004) differences were observed between race/ethnicity with Whites reporting using most (32.7%), followed by Hispanics (27.6%) and then APIs (17.8%). Marijuana-users compared with non-users consistently reported high-risk alcohol behaviors (p < 0.0001), were more likely to smoke tobacco (p < 0.0001) and engaged in more high-risk sexual behaviors (p < 0.0001). Logistic regression showed after adjusting for demographic characteristics and high-risk behaviors, race/ethnicity was borderline significantly associated with marijuana use, specifically for Whites (OR = 1.53; 95% CI: (−0.01, 0.86), p = 0.06) and the Other race/ethnicity category (OR = 2.32; 95% CI: (0.12, 1.56), p = 0.02) compared with APIs. Conclusion Our findings clearly demonstrate deleterious high-risk behaviors such as alcohol use, tobacco use, and certain sexual behaviors occur more among marijuana-users compared to non-users, post legalization of marijuana for recreational use. Further, race-ethnic differences were observed. Therefore, continued examination of marijuana use trends and high-risk behaviors is critical in monitoring the implications of marijuana policy changes, specifically in diverse populations.
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Affiliation(s)
- Laura Chandler
- Department of Public Health. California State University, Fullerton, 800 N. State College Blvd., Room KHS-121, Fullerton, CA, 92834, USA
- Corresponding author.
| | - Aimn W. Abdujawad
- Department of Public Health. California State University, Fullerton, 800 N. State College Blvd., Room KHS-121, Fullerton, CA, 92834, USA
| | - Sinjini Mitra
- ISDS Department of Information Systems and Decision Sciences, California State University, Fullerton, USA
| | - Archana J. McEligot
- Department of Public Health. California State University, Fullerton, 800 N. State College Blvd., Room KHS-121, Fullerton, CA, 92834, USA
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30
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Coley RL, Kruzik C, Ghiani M, Carey N, Hawkins SS, Baum CF. Recreational Marijuana Legalization and Adolescent Use of Marijuana, Tobacco, and Alcohol. J Adolesc Health 2021; 69:41-49. [PMID: 33243722 DOI: 10.1016/j.jadohealth.2020.10.019] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 10/02/2020] [Accepted: 10/18/2020] [Indexed: 12/28/2022]
Abstract
PURPOSE Given the rapid expansion of recreational marijuana legalization (RML) polices, it is essential to assess whether such policies are associated with shifts in the use of marijuana and other substances, particularly for adolescents, who are uniquely susceptible to negative repercussions of marijuana use. This analysis seeks to provide greater generalizability, specificity, and methodological rigor than limited prior evidence. METHODS Youth Risk Behavior Survey data from 47 states from 1999 to 2017 assessed marijuana, alcohol, cigarette, and e-cigarette use among adolescents (14-18+ years; N = 1,077,938). Associations between RML and adolescent past-month substance use were analyzed using quasi-experimental difference-in-differences zero-inflated negative binomial models. RESULTS Controlling for other state substance policies, year and state fixed effects, and adolescent demographic characteristics, models found that RML was not associated with a significant shift in the likelihood of marijuana use but predicted a small significant decline in the level of marijuana use among users (incidence rate ratio = .844, 95% confidence interval [.720-.989]) and a small increase in the likelihood of any e-cigarette use (odds ratio of zero use = .647, 95% confidence interval [.515-.812]). Patterns did not vary over adolescent age or sex, with minimal differences across racial/ethnic groups. CONCLUSIONS Results suggest minimal short-term effects of RML on adolescent substance use, with small declines in marijuana use and increase in the likelihood of any e-cigarette use. Given the delayed rollout of commercial marijuana sales in RML states and rapid expansion of RML policies, ongoing assessment of the consequences for adolescent substance use and related health and behavioral repercussions is essential.
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Affiliation(s)
- Rebekah Levine Coley
- Department of Counseling Developmental, Educational Psychology, Lynch School of Education and Human Development, Boston College, Chestnut Hill, Massachusetts.
| | - Claudia Kruzik
- Department of Counseling Developmental, Educational Psychology, Lynch School of Education and Human Development, Boston College, Chestnut Hill, Massachusetts
| | | | - Naoka Carey
- Department of Counseling Developmental, Educational Psychology, Lynch School of Education and Human Development, Boston College, Chestnut Hill, Massachusetts
| | | | - Christopher F Baum
- School of Social Work, Boston College, Chestnut Hill, Massachusetts; Department of Economics, Boston College, Chestnut Hill, Massachusetts; Department of Macroeconomics, German Institute for Economic Research (DIW Berlin), Berlin, Germany
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Bayrampour H, Asim A. Cannabis Use During the Pre-Conception Period and Pregnancy After Legalization. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2021; 43:740-745. [PMID: 33677139 DOI: 10.1016/j.jogc.2021.02.119] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/23/2021] [Accepted: 02/24/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVE There is limited evidence of the impact of cannabis legalization on the prevalence of cannabis use and use of other substances. The aim of this exploratory observational study was to compare rates of cannabis use, cigarette smoking, alcohol consumption, and the use of any street drugs during the preconception period and in pregnancy in two convenience samples of pregnant persons in British Columbia, Canada, before and after the legalization of cannabis. METHODS Any pregnant person residing in British Columbia, aged >19 years, at any gestational age was eligible to participate. Pre- and post-legalization study participants were recruited between May and October 2018 and July 2019 and May 2020, respectively. Multivariate models were constructed to examine the effect of legalization on cigarette smoking and the use of cannabis, alcohol, and street drugs, adjusting for demographic, pre-pregnancy, and pregnancy confounders. RESULTS From pre- to post-legalization, the prevalence of self-reported cannabis use during the preconception period increased significantly, from 11.74% (95% CI 9.19%-14.88%) to 19.38% (95% CI 15.45%-24.03%). Rates of cannabis use during pregnancy also increased from 3.64% (95% CI 2.32%-5.69%) before legalization to 4.62% (95% CI 2.82%-7.47%) after; however, this difference was not statistically significant. Adjusting for potential confounders, the post-legalization group had significantly higher odds of cannabis use during the preconception period (adjusted odds ratio 1.71; 95% CI 1.14-2.58) but not during pregnancy (adjusted odds ratio 1.66; 95% CI 0.75-3.65). Legalization was also not associated with significant changes in cigarette smoking, alcohol consumption, or the use of street drugs during the preconception period and pregnancy, after adjusting for potential confounders. CONCLUSION The preliminary evidence presented in this study shows that the legalization of cannabis was associated with 71% higher odds of cannabis use during the preconception period. Studies examining the effects of cannabis use on perinatal outcomes, as well as public health interventions and educational programs related to cannabis use, should include the preconception period as an area of focus.
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Affiliation(s)
- Hamideh Bayrampour
- Department of Family Practice, Faculty of Medicine, University of British Columbia, Vancouver, BC.
| | - Aayza Asim
- Faculty of Medicine, University of British Columbia, Vancouver, BC
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Effects of vapourized THC and voluntary alcohol drinking during adolescence on cognition, reward, and anxiety-like behaviours in rats. Prog Neuropsychopharmacol Biol Psychiatry 2021; 106:110141. [PMID: 33069816 DOI: 10.1016/j.pnpbp.2020.110141] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/22/2020] [Accepted: 10/10/2020] [Indexed: 12/20/2022]
Abstract
Cannabis and alcohol co-use is prevalent in adolescence, but the long-term behavioural effects of this co-use remain largely unexplored. The aim of this study is to investigate the effects of adolescent alcohol and Δ9-tetrahydracannabinol (THC) vapour co-exposure on cognitive- and reward-related behaviours. Male Sprague-Dawley rats received vapourized THC (10 mg vapourized THC/four adolescent rats) or vehicle every other day (from post-natal day (PND) 28-42) and had continuous voluntary access to ethanol (10% volume/volume) in adolescence. Alcohol intake was measured during the exposure period to assess the acute effects of THC on alcohol consumption. In adulthood (PND 56+), rats underwent behavioural testing. Adolescent rats showed higher alcohol preference, assessed using the two-bottle choice test, on days on which they were not exposed to THC vapour. In adulthood, rats that drank alcohol as adolescents exhibited short-term memory deficits and showed decreased alcohol preference; on the other hand, rats exposed to THC vapour showed learning impairments in the delay-discounting task. Vapourized THC, alcohol or their combination had no effect on anxiety-like behaviours in adulthood. Our results show that although adolescent THC exposure acutely affects alcohol drinking, adolescent alcohol and cannabis co-use may not produce long-term additive effects.
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Mennis J, Stahler GJ, Mason MJ. Treatment admissions for opioids, cocaine, and methamphetamines among adolescents and emerging adults after legalization of recreational marijuana. J Subst Abuse Treat 2021; 122:108228. [DOI: 10.1016/j.jsat.2020.108228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 10/21/2020] [Accepted: 11/26/2020] [Indexed: 12/17/2022]
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Burdzovic Andreas J, Sivertsen B, Lønning KJ, Skogen JC. Cannabis use among Norwegian university students: Gender differences, legalization support and use intentions, risk perceptions, and use disorder. Addict Behav Rep 2021; 13:100339. [PMID: 33604449 PMCID: PMC7873627 DOI: 10.1016/j.abrep.2021.100339] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/16/2020] [Accepted: 01/10/2021] [Indexed: 11/30/2022] Open
Abstract
Past year cannabis use was fairly common in a sample of Norwegian college students. About 6% of users possibly met criteria for use disorder, function of use frequency. Legalization attitudes and risk perceptions were associated with cannabis use risk. Intentions to use cannabis if legal were evident even among some current non-users. Many non-users expressed uncertainty in legalization attitudes and risk perceptions.
Aims We explored past-year cannabis use and associated characteristics, focusing on legalization attitudes, use intentions, risk perceptions, and possible dependence among Norwegian university/college students. Methods We examined a nation-wide sample of Norwegian university/college students (N = 49,688; 67% female) who participated in the Students’ Health and Wellbeing Study (SHoT-study) in 2018. Participants reported past-year substance use, support for cannabis legalization, intent to use cannabis if legal, and perceived risks of weekly use. Past-year cannabis use (including use frequency) was examined in relation to these indicators. Legalization support, use intentions, and risk perceptions were examined in relation to use and gender. Potential cannabis use disorder was assessed with the Cannabis Abuse Screening Test (CAST) and examined in relation to use frequency and gender. Findings Past-year use was reported by 15.3% (11.8% women; 22.9% men). Majority of current users (roughly 90%) used no more than 50 times past year, and 6% (3.8% women; 8.5% men) met CAST use disorder criteria. Legalization support, use intentions, and no/low risk perceptions were significantly associated with greater odds of use, and greater use frequency among current users in both crude and adjusted models. Legalization support (23.0%), use intentions (14.0%), and perceptions of no/low risk (29.2%) were also relatively common even among current non-users, especially men. Male gender and more frequent use were associated with greater CAST scores and greater odds of use disorder. Conclusions Cannabis use was relatively common in this student sample. In addition to targeting frequent use, interventions may focus on cannabis-related attitudes and risk perceptions among uncertain/uninformed students.
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Affiliation(s)
- Jasmina Burdzovic Andreas
- Department of Alcohol, Tobacco, and Drugs, Norwegian Institute of Public Health, Oslo, Norway.,Department of Psychology, University of Oslo, Oslo, Norway
| | - Børge Sivertsen
- Department of Health Promotion, Norwegian Institute of Public Health, Bergen, Norway.,Department of Research and Innovation, Helse Fonna HF, Haugesund, Norway.,Department of Mental Health, Norwegian University of Science and Technology, Trondheim, Norway
| | - Kari Jussie Lønning
- The Norwegian Medical Association, Oslo, Norway.,The Student Welfare Association of Oslo and Akershus (SiO), Oslo, Norway
| | - Jens Christoffer Skogen
- Department of Health Promotion, Norwegian Institute of Public Health, Bergen, Norway.,Alcohol and Drug Research Western Norway, Stavanger University Hospital, Stavanger, Norway.,Department of Public Health, Faculty of Health Sciences, University of Stavanger, Stavanger, Norway
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35
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Wilkins C, Rychert M. Assessing New Zealand's Cannabis Legalization and Control Bill: prospects and challenges. Addiction 2021; 116:222-230. [PMID: 32621400 DOI: 10.1111/add.15144] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/23/2020] [Accepted: 06/03/2020] [Indexed: 01/18/2023]
Abstract
BACKGROUND Few countries have developed detailed legislative proposals for legalizing cannabis. New Zealand recently released the Cannabis Legalization and Control Bill (CLCB) that will be the subject of a referendum in September 2020. AIMS To assess the CLCB, drawing on emerging evidence from cannabis legalization overseas, public health research on alcohol and tobacco and the attempt to establish a regulated market for 'legal highs' in New Zealand. DISCUSSION The CLCB proposes a strictly regulated commercial cannabis market that resembles the Canadian approach, but notably without on-line sales or regional heterogeneity in retail distribution. The objective of the CLCB of lowering cannabis use over time appears at odds with the largely commercial cannabis sector that will focus on expanding sales. The CLCB includes provision for home cultivation and social benefit operators, but it is not clear what priority these operators will receive. A potency cap of 15% tetrahydrocannabinol (THC) for cannabis plants is included, and this is at the high end of black-market cannabis. The proposed progressive product tax based on THC will be challenging to implement. There is no formal minimum price, but rather discretionary powers to raise the excise if the price drops too much. The CLCB includes a comprehensive ban on advertising, but non-conventional on-line promotion will be difficult to suppress. The central government cannabis authority is tasked with developing local retail outlet policies. We caution against the temptation to employ an interim regulatory regime following a positive referendum result, because a partially regulated market will expose users to health risks and undermine public support. CONCLUSIONS New Zealand's Cannabis Legalization and Control Bill's objective of reducing cannabis use via a commercial market will be challenging to achieve. The bill could be strengthened with formal minimum pricing, lower potency cap and greater clarity concerning social benefit operators and the role of local government.
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Affiliation(s)
- Chris Wilkins
- SHORE & Whariki Research Centre, Massey University, P.O. Box 6137, Victoria Street West, Auckland, 1142, New Zealand
| | - Marta Rychert
- SHORE & Whariki Research Centre, Massey University, P.O. Box 6137, Victoria Street West, Auckland, 1142, New Zealand
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Sadeh N, Miglin R, Bounoua N, Beckford E, Estrada S, Baskin-Sommers A. Profiles of lifetime substance use are differentiated by substance of choice, affective motivations for use, and childhood maltreatment. Addict Behav 2021; 113:106710. [PMID: 33091716 PMCID: PMC8312989 DOI: 10.1016/j.addbeh.2020.106710] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/27/2020] [Accepted: 10/11/2020] [Indexed: 01/03/2023]
Abstract
To develop personalized interventions and improve outcomes in substance-using populations, research is needed on the heterogeneity in substance use patterns and motivations that exists among adult substance users. This study took a person-centered approach to identify profiles of lifetime substance use and discern the psychosocial differences among them. To survey a spectrum of drug use severity, 1106 adults (43.4% women) were recruited from forensic and community samples. Participants reported on the frequency of lifetime substance use across multiple drug categories (sedatives, stimulants, marijuana, heroin, hallucinogens, misuse of prescription drugs) and alcohol use. Latent profile analysis was used to identify distinct profiles of substance use that were then compared on potential risk and maintenance factors for substance use. Four profiles of lifetime substance use emerged that diverged on severity of use and degree of mono vs. polysubstance use (Recreational Marijuana Use, Heavy Multidrug Intoxication, Heavy Marijuana Use, and Heavy Opioid and Polysubstance Use). The profiles differed on affective motivations for substance use (e.g., using to cope vs. using to seek a thrill), age of use onset, drug-related functional impairment, and experiences of childhood maltreatment. Cognitive functioning did not differentiate the heavy substance use profiles. Results provide compelling initial evidence that lifetime patterns of use can be used to identify groups of substance users with distinct risk and maintenance factors. Results highlight affective motivations for substance use and maltreatment history as potential treatment targets and underscore the importance of studying polysubstance use in the context of the opioid epidemic.
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Affiliation(s)
- Naomi Sadeh
- University of Delaware, Department of Psychological and Brain Sciences, 105 The Green, Newark, DE 19716, United States.
| | - Rickie Miglin
- University of Delaware, Department of Psychological and Brain Sciences, 105 The Green, Newark, DE 19716, United States.
| | - Nadia Bounoua
- University of Delaware, Department of Psychological and Brain Sciences, 105 The Green, Newark, DE 19716, United States.
| | - Emil Beckford
- Yale University, Department of Psychology, P.O. Box 208205, New Haven, CT 06520, United States.
| | - Suzanne Estrada
- Yale University, Department of Psychology, P.O. Box 208205, New Haven, CT 06520, United States.
| | - Arielle Baskin-Sommers
- Yale University, Department of Psychology, P.O. Box 208205, New Haven, CT 06520, United States.
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Chen WL, Chen JH. "College fields of study and substance use". BMC Public Health 2020; 20:1631. [PMID: 33126865 PMCID: PMC7602320 DOI: 10.1186/s12889-020-09722-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/16/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Numerous studies have documented factors that are associated with substance use behaviors among college-aged individuals. However, relatively few studies have considered the heterogeneity of the college experience by field of study (i.e., college major) and how that educational context might affect students' health behaviors differently. Drawing from theories and prior research, this study investigates whether college majors are associated with different substance use behaviors, both during college and upon graduation. METHODS The study analyzed longitudinal data from the National Longitudinal Survey of Youth 97 (N = 1031), specifically data on individuals who obtained a bachelor's degree, to examine the associations between college fields of study and trajectories of three substance use behaviors: smoking, heavy alcohol use, and marijuana use. RESULTS The results indicate that social science and business majors were associated with more substance use behaviors than arts and humanities and STEM majors. However, social science majors were associated with a faster decrease in substance use behaviors over time. Importantly, the differences we found in mean levels of substance use behaviors and trajectories were not explained by demographic characteristics, family SES background, childhood health conditions, and employment experience. Further analysis that examined college major and each substance use behavior individually suggests that the associations were stronger for heavy alcohol use and marijuana use. Moreover, we found the associations were more pronounced in men than women. CONCLUSIONS The study finds that not all college majors show the same level of engagement in substance use behaviors over time, and that the associations also vary by (1) the specific substance use behavior examined and (2) by gender. These findings suggest it is important to consider that the different learning and educational contexts that college majors provide may also be more or less supportive of certain health behaviors, such as substance use. Practical implications are discussed.
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Affiliation(s)
- Wei-Lin Chen
- Center for Teacher Education, National Sun Yat-sen University, Kaohsiung City, Taiwan
| | - Jen-Hao Chen
- Department of Sociology and Department of Psychology, National Chengchi University, 64, Section 2, Zhinan Rd., Taipei City, Taiwan.
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McDaniel CE, Test M, Deodhar P, Jennings R, Bove J, Carlin K. Effects of polysubstance exposure on neonatal outcomes for infants with intrauterine opioid exposure. J Perinatol 2020; 40:1489-1496. [PMID: 32641774 DOI: 10.1038/s41372-020-0717-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 05/21/2020] [Accepted: 06/25/2020] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Quantify the effect of prenatal polysubstance exposure on neonatal outcomes compared to methadone exposure alone. STUDY DESIGN This retrospective cohort study compared infants with methadone-only exposure to methadone with additional psychoactive substances. Outcomes included time to maximum Finnegan scores, proportion requiring scheduled morphine, and length of stay (LOS). RESULTS We identified 323 subjects. The median time to maximum Finnegan score was 38.0 h with 94% peaking within 96 h. Forty-five percent of methadone-only infants were started on scheduled morphine compared to 54% of polysubstance infants (p = 0.10). LOS for polysubstance-exposed infants was 1.30 times longer than infants with methadone-only exposure (95% confidence interval: 1.05, 1.60). CONCLUSIONS Exposure to methadone with additional psychoactive substances is associated with longer LOS, but not postnatal morphine use or peak withdrawal symptoms. Most infants experience peak withdrawal symptoms within 4 days and may not benefit from longer observation.
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Affiliation(s)
- Corrie E McDaniel
- Department of Pediatrics, University of Washington, Seattle, WA, USA. .,Division of Women and Children's, Providence St. Joseph's Health System, Renton, WA, USA.
| | - Matthew Test
- Department of Pediatrics, University of Washington, Seattle, WA, USA.,Division of Women and Children's, Providence St. Joseph's Health System, Renton, WA, USA
| | - Parimal Deodhar
- Department of Pediatrics, University of Washington, Seattle, WA, USA.,Division of Women and Children's, Providence St. Joseph's Health System, Renton, WA, USA
| | - Rebecca Jennings
- Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Joanna Bove
- Department of Internal Medicine, Providence St. Vincent Hospital, Portland, OR, USA
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Hussong AM, Rothenberg WA, Cole VT. The broader impact of new trends in adolescent substance use: A special section editorial summary. Addict Behav 2020; 107:106412. [PMID: 32247628 DOI: 10.1016/j.addbeh.2020.106412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The focus of this special section of Addictive Behaviors is on how new trends in substance use have a broader impact on youth development, most notably on the use of other substances or psychosocial functioning. These eight articles focus on recent changes in the prevalence of e-cigarettes, stimulants, and prescription opiates as well as the implications of changing legislation for recreational marijuana use. These studies also focus on how using these substances is associated with continued use of the same and other forms of drugs, advertising trends, and psychosocial functioning. This editorial summarizes these articles and offers key directions for future research.
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Prevalence and Socio-Demographic, Academic, Health and Lifestyle Predictors of Illicit Drug/s Use among University Undergraduate Students in Finland. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17145094. [PMID: 32679701 PMCID: PMC7400316 DOI: 10.3390/ijerph17145094] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 12/13/2022]
Abstract
Illicit drug/s use (IDU) among university students is a public health concern. We assessed the associations between socio-demographic, academic, and health and lifestyle characteristics (independent variables) and regular, occasional or never IDU (dependent variables). Data were collected across seven faculties (1177 students) at the University of Turku (Finland) via an online questionnaire. About 1.5% of the sample had regular IDU, 19% occasional IDU, and 79% never IDU. Independent predictors of ever (lifetime) IDU included males [adjusted odds ratio (AOR) 1.82, P = 0.001], not living with parents (AOR 2.59, P < 0.001), singles (AOR 0.51, P < 0.001), lower religiosity (AOR 1.49, P = 0.022), better self-rated general health (AOR 0.41, P = 0.003), higher health awareness (AOR 1.93, P = 0.014), more depressive symptoms (AOR 1.82, P = 0.004), daily smokers (AOR 3.69, P < 0.001), heavy episodic drinking (AOR 2.38, P < 0.001) and possible alcohol dependency (AOR 2.55, P < 0.001). We observed no independent associations between ever IDU with age, study discipline, perceived stress or academic performance. The 20.5% ever IDU is concerning. The compelling independent predictors of ever IDU included not living with parents, lower religiosity, daily smokers, heavy episodic drinking and possible alcohol dependency (AOR range 2.38-3.69). Education and prevention need to emphasize the negative consequences to reinforce abstinence from IDU. Health promotion could focus on beliefs and expectations about IDU and target students at risk for successful efforts.
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