Examining within-person associations between alcohol and cannabis use and hooking up among adolescents and young adults in the United States.

OBJECTIVE: This study examined daily associations between alcohol use, cannabis use, and simultaneous alcohol and cannabis/marijuana (SAM) use with the likelihood of hooking up (uncommitted sexual encounter that may or may not include intercourse). METHOD: We used a longitudinal measurement burst ecological momentary assessment (EMA) design with 3-week EMA bursts with daily measurements repeated quarterly across 12 months. 1,009 (57 % female, Mean age = 20.00 [SD = 3.21]) Texan adolescents and young adults ages 15-25 participated in the study. Mixed effects logistic regression models were estimated using maximum likelihood estimation to evaluate the associations between substance use and hooking up. RESULTS: Within-person results indicated that participants were more likely to hook up on days with alcohol use and on days with cannabis use, but not on days with SAM use. Participants were also more likely to hook up on drinking days with higher-than-usual alcohol use. Between-person results indicated that participants who used alcohol more often or cannabis more often on average were more likely to hook up, and participants who tended to drink more on drinking days were more likely to hook up. CONCLUSIONS: Given the significant daily-level associations between alcohol and cannabis use and hooking up behavior, public health initiatives should focus on developing interventions to reduce alcohol and cannabis use and promote safer hooking up behavior among adolescents and young adults.

Effect of a selective personality-targeted prevention program on 7-year illicit substance related outcomes: A secondary analysis of a cluster randomized controlled trial.

BACKGROUND: This study evaluated the efficacy of the selective personality-targeted PreVenture program in reducing cannabis and stimulant use over a 7-year period spanning adolescence and early adulthood. METHODS: A cluster randomized controlled trial was conducted in 14 Australian schools. Schools were randomized to PreVenture, a brief personality-targeted selective intervention, comprising two 90-minute facilitator-led sessions delivered one week apart, or a control group (health education as usual). Only students who scored highly on one of four personality traits (anxiety sensitivity, negative thinking, impulsivity, sensation seeking) were included. Students completed online self-report questionnaires between 2012 and 2019: at baseline; post-intervention; 1-, 2-, 3-, 5.5- and 7-years post-baseline. Outcomes were past 6-months cannabis use, stimulant use (MDMA, methamphetamine or amphetamine) and cannabis-related harms. RESULTS: The sample comprised 438 adolescents (Mage=13.4 years; SD=0.47) at baseline. Retention ranged from 51% to 79% over the 7-years. Compared to controls, the PreVenture group had significantly reduced odds of annual cannabis-related harms (OR=0.78, 95% CI=0.65-0.92). However, there were no significant group differences in the growth of cannabis use (OR=0.84, 95% CI=0.69-1.02) or stimulant use (OR=1.07, 95% CI=0.91-1.25) over the 7-year period. CONCLUSIONS: PreVenture was effective in slowing the growth of cannabis-related harms over time, however owing to missing data over the 7-year trial, replication trials may be warranted to better understand the impact of the PreVenture intervention on cannabis and stimulant use among young Australians. Alternative implementation strategies, such as delivering the intervention in later adolescence and/or providing booster sessions, may be beneficial.

Sleep, Alcohol and Cannabis Use in College Students With and Without Attention-Deficit/Hyperactivity Disorder.

Background: Relations among attention-deficit/hyperactivity disorder (ADHD), sleep, and substance-related negative consequences are largely unknown. In this cross-sectional study, we examined associations among ADHD diagnosis, sleep, and alcohol-related consequences. We also evaluated the independent and interactive effects of sleep and ADHD on alcohol-related negative consequences, above and beyond levels of alcohol use. Methods: College students who drink alcohol with (n = 51) and without (n = 50) ADHD completed an assessment that included a diagnostic interview assessing ADHD, and questionnaire measures of sleep quality, substance use, and associated consequences. Analyses utilized a series of hierarchical linear regression models and explored these aims for cannabis use in a subset of participants (n = 52 participants that used cannabis). Results: College students who drink alcohol with ADHD reported significantly worse sleep quality and more alcohol-related consequences, relative to those without ADHD. When ADHD and sleep quality were included in the model, ADHD-but not sleep quality-was independently associated with alcohol consequences, but not cannabis consequences. There were no moderating effects of ADHD on the associations between sleep and substance-related consequences. Conclusions: Students who drank alcohol with ADHD may be particularly vulnerable to experiencing poor sleep and consequences from their substance use, compared to their heavy drinking peers without ADHD. Future, larger scale studies should consider longitudinal effects as well as underlying mechanisms of risk.

Nomophobia and Alcohol, Tobacco, and Cannabis Consumption in Adolescents in Galicia.

This study aimed at exploring the association of nomophobia with alcohol, tobacco, and/or cannabis consumption among high school students. We carried out a cross-sectional study among high school and vocational training students in Galicia, Northwest Spain (N = 3,100). Collected data included nomophobia, sociodemographic variables, and alcohol, tobacco, and cannabis consumption. Nomophobia was measured using the validated Nomophobia Questionnaire. Adjusted odds ratios (ORs) and their 95 percent confidence intervals (CIs) were estimated using generalized linear mixed models. More than a quarter of the adolescents (27.7 percent) had nomophobia. We found an association between nomophobia and a high level of tobacco smoking in the last month in boys (OR = 2.16; 95 percent CI: 1.55-3.03). Nomophobia was also associated with higher odds of binge drinking in both genders (girls: OR = 1.86; 95 percent CI: 1.61-3.52; boys: OR = 2.29; 95 percent CI: 1.68-3.13) and with cannabis consumption in boys (OR = 1.74; 95 percent CI: 1.07-2.81). Our findings highlight the importance of a comprehensive investigation of the factors underlying alcohol, tobacco, and cannabis consumption in the adolescent population.

Intentions to Use Cannabis Postpartum: A Qualitative Study of Pregnant Individuals Who Used Cannabis During Early Pregnancy.

Objective: To examine plans for postpartum cannabis use among pregnant individuals who used cannabis during early pregnancy. Materials and Methods: Eighteen virtual focus groups were conducted from November 17, 2021, to December 17, 2021, with 23 Black and 30 White pregnant adults in Kaiser Permanente Northern California, who self-reported prenatal cannabis use during early pregnancy. Focus groups were recorded, transcribed, and analyzed using thematic analysis. Results: The sample (N = 53) had a mean age of 30.3 years (standard deviation = 5.2) at recruitment; 70% reported daily, 25% weekly, and 6% ≤ monthly cannabis use at entrance to prenatal care. Some participants viewed cannabis as critical for coping with postpartum mental and physical health challenges, while others questioned whether cannabis use would fit with their parental lifestyle, and some planned to abstain altogether. Most planned to use cannabis postpartum, but with lower frequency than before pregnancy, and in ways consistent with harm reduction (e.g., smoking outside to avoid secondhand or thirdhand smoke exposure). Many were motivated to abstain from cannabis while breastfeeding, and some desired more data on the safety of cannabis and breastfeeding, or intended to "pump and dump," believing it would reduce potential transfer of Δ9-tetrahydrocannabinol (THC) to their infant. Responses from Black and White participants were generally similar, but White participants were more likely to report plans to use cannabis while breastfeeding and to want information about cannabis and breastfeeding. Conclusions: Pregnant individuals with prenatal cannabis use had varied plans for cannabis use postpartum. Many were motivated to abstain or use cannabis less frequently than pre-pregnancy, especially during lactation.

Cannabis use in adolescents and anxiety symptoms and disorders: a systematic review and meta-analysis.

Background: The use of cannabis is highly prevalent during adolescence compared to the general adult population. In addition to the high comorbidity between cannabis use and anxiety disorders, early evidence suggests that cannabis may precede the development of anxiety. Moreover, adolescence represents a major developmental period for both neurobiological and psychological processes, placing these individuals at a heightened vulnerability to the influence of cannabis.Objectives: This systematic review and meta-analysis examined the prospective associations between adolescent cannabis use and subsequent anxiety outcomes (i.e. anxiety disorders and/or symptoms).Methods: Following PRISMA guidelines, a systematic review and meta-analysis were conducted encompassing data from articles published between database inception and September 2022.Results: Six longitudinal studies were identified for quantitative analysis, while twelve non-overlapping longitudinal studies were identified for qualitative review (total N = 18; 33380 subjects). Meta-analytical findings supported an association between adolescent cannabis use and the development of a subsequent anxiety disorder (Odds Ratio = 2.14, 95% CI: 1.37-3.36, p < .01). These findings were consistent with our qualitative synthesis where nine of the twelve longitudinal studies observed a significant relationship between adolescent cannabis use and exacerbation of anxiety symptoms later in life, irrespective of an anxiety disorder diagnosis.Discussion: In summary, the current evidence suggests a prospective association between adolescent cannabis use and later anxiety symptoms and disorders. These findings underscore the importance of refining research methodologies, considering sex-based differences and controlling for confounding factors, as well as implementing educational initiatives and developing clinical interventions to address the mental health risks associated with cannabis use among adolescents.

Perceptions and Attitudes Related to Driving after Cannabis Use in Canadian and US Adults.

BACKGROUND: This study examined the risk perceptions related to driving after cannabis use (DACU) among Canadian and US adults who used cannabis in the past six months. METHODS: Perceptions of danger, normative beliefs, perceived likelihood of negative consequences, and other driving-related variables were collected via online surveys in Canadian (n = 158; 50.0% female, 84.8% White, mean age = 32.73 years [SD = 10.61]) and US participants (n = 678; 50.9% female, 73.6% White, mean age = 33.85 years [SD = 10.12]). Driving cognitions and DACU quantity/frequency were compared between samples using univariate analyses of variance, and Spearman's (ρ) correlations were performed to examine associations between driving cognitions and DACU quantity/frequency. RESULTS: The two samples did not significantly differ in self-reported level of cannabis use, lifetime quantity of DACU, or the number of times they drove within two hours of cannabis use in the past three months (Ps > .12). Compared to US participants, Canadians perceived driving within two hours of cannabis use as more dangerous (P < 0.001, ηp2 = 0.013) and reported more of their friends would disapprove of DACU (P = 0.03, ηp2 = 0.006). There were no differences in the number of friends who would refuse to ride with a driver who had used cannabis (P = 0.15) or the perceived likelihood of negative consequences (Ps > 0.07). More favorable perceptions were significantly correlated with greater lifetime DACU and driving within two hours of use (ρ = 0.25-0.53, Ps < 0.01). CONCLUSIONS: These findings reveal differences in distal risk factors for DACU between Canada and the US and may inform prevention efforts focusing on perceptions of risk and social acceptance of DACU.

Sexual orientation-based microaggressions and cannabis use outcomes among sexual minority individuals: The impact of negative affect and coping-motivated cannabis use.

INTRODUCTION: Sexual minority individuals report significantly more cannabis use and problems than their heterosexual peers, possibly due to their frequent experiences with sexual orientation-based microaggressions. As a result, sexual minority individuals may turn to cannabis use to cope with the negative affect associated with these experiences. No known studies have tested this hypothesis; therefore, the current study tested if sexual orientation microaggressions are positively associated with negative affect (anxiety and depression), cannabis coping motives, and cannabis-related outcomes (frequency, problems); if coping motives are positively associated with cannabis-related outcomes; and if negative affect and cannabis use to cope with negative affect serially mediate the relation between sexual orientation microaggressions and cannabis-related outcomes. METHODS: Sexual minority undergraduate students who reported cannabis use in the past three months (N = 328; 71.3 % cis-female) completed an online survey. RESULTS: Microaggressions were significantly positively correlated with anxiety, depression, coping-motivated cannabis use, cannabis-related problems, non-sexual orientation-related stress, and overt sexual orientation-based discrimination. Additionally, after controlling for non-sexual orientation-related stress and overt sexual orientation-based discrimination, microaggressions were indirectly positively related to cannabis use frequency and problems via the sequential effects of negative affect and coping motives. This relation remained significant when examining negative affect specific to sexual orientation microaggressions and cannabis use to cope with this microaggressions-specific negative affect. CONCLUSIONS: Results highlight the adverse impact of sexual orientation microaggressions in terms of negative affect and negative cannabis-related outcomes.

Age-related patterns in high-risk alcohol and cannabis use and their associations with positive and negative affect in young adulthood.

OBJECTIVE: We examined age-varying associations between young adult simultaneous alcohol and marijuana/cannabis use (SAM) and heavy episodic drinking (HED) and positive and negative affect to inform harm reduction efforts. METHODS: Young adults reporting past-year alcohol use (n = 556; ages 19-25) were recruited in a state where alcohol and nonmedical cannabis use was legal for those 21 +. Participants provided 24 repeated monthly assessments. Among those reporting past-month cannabis use on at least one survey, logistic time-varying effect models estimated (1) the age-varying prevalence of and associations between past-month SAM and HED and (2) age-varying unique associations of affect with SAM and HED. RESULTS: There was a positive age-varying association between HED and SAM over time that was highest at age 19 (OR = 7.56), decreased until age 20.7 (OR = 3.39), increased until age 23.0 (OR = 4.85), and decreased until the association became non-significant by age 25. Negative affect was positively associated with SAM from ages 20.7 to 23.0, peaking at age 21.8 (OR = 1.36). Positive affect was positively associated with HED from ages 19.4 to 20.4 (peak OR = 1.25) and ages 22.5 to 24.5 (peak OR = 1.38). In contrast, positive affect was not uniquely associated with SAM nor negative affect with HED across ages 19-25. CONCLUSIONS: While HED and SAM were positively associated throughout young adulthood and interventions could target them in tandem, their associations with affect suggest differential etiologic processes. Preventive intervention and harm reduction efforts should attend to psychological context in which these behaviors occur.

Cognitive Distortions Associated with Alcohol and Marijuana Use in Uruguayan Citizens.

Background: Psychological distress (i.e., incipient symptoms of anxiety, stress, and depression) may promote substance use through increased emission of cognitive distortions. These are automatic irrational thoughts that can promote distress, which in turn increases substance use. Aim: This study analyzed, in a sample of Uruguayan citizens, the unique contribution of cognitive distortions on the frequency and quantity of alcohol or marijuana use, over and above the contribution of psychological distress or the use of emotion regulation strategies. We also assessed whether these variables were associated with having initiated or resumed the use of a substance. Methods: A survey asked about alcohol and marijuana use, psychological distress, emotion regulation strategies, and cognitive distortions. The study comprised a convenience sample of 1132 participants (Mean age = 29.07 ± 8.19 years, 72.26% women). Separate hierarchical linear regression analyses were conducted on the frequency and quantity of alcohol or marijuana use, whereas a logistic regression was applied on having initiated or resumed the use of a substance. Results: Several cognitive distortions were significant predictors of frequency and quantity of alcohol consumption or frequency of marijuana use, over and above psychological distress. Differential emission of automatic thoughts was also associated, along with higher scores of psychological distress, with a significantly higher probability of having initiated the use of a new substance or having resumed the use of a substance. Conclusions: Cognitive distortions may promote alcohol and marijuana use. Interventions aimed at modifying these distortions should be considered to reduce the emission of these behaviors.

Predictors of morning cannabis use among young adults: Between- and within-person associations from 24 consecutive months of data.

Morning cannabis use is associated with heavier, frequent cannabis use and more cannabis-related negative consequences, yet little empirical research has examined its predictors. Using 24 months of longitudinal data, the present study tested demographic, psychosocial, and behavioral predictors of morning cannabis use among young adults at the monthly- and person-levels. Young adults (N = 778) were part of a larger study on substance use and social role transitions; participants completed a baseline survey and up to 24 consecutive monthly surveys. Hypotheses were tested using logistic multilevel models to estimate odds ratios for any vs. no morning use in a given month. At the monthly level, social anxiety motives and cannabis use frequency on a given month were positively associated with morning cannabis use. At the person level, typical coping motives, average cannabis use frequency, and male sex were positively associated with morning cannabis use. Findings advance our understanding of individual and psychosocial predictors of morning cannabis use among young adults. Notably, social anxiety motives may represent a malleable target for intervention efforts that could reduce risky use patterns associated with morning use. Such efforts may be especially prudent for young men, as our findings indicated morning cannabis use probabilities were much higher for men than women.

Limited psychological and social effects of lifetime cannabis use frequency: Evidence from a 30-year community study of 4,078 twins.

BACKGROUND: Cannabis use is associated with outcomes like income, legal problems, and psychopathology. This finding rests largely on correlational research designs, which rely at best on statistical controls for confounding. Here, we control for unmeasured confounders using a longitudinal study of twins. METHOD: In a sample of 4,078 American adult twins first assessed decades ago, we used cotwin control mixed effects models to evaluate the effect of lifetime average frequency of cannabis consumption measured on substance use, psychiatric, and psychosocial outcomes. RESULTS: On average, participants had a lifetime cannabis frequency of about one to two times per month, across adolescence and adulthood. As expected, in individual-level analyses, cannabis use was significantly associated with almost all outcomes in the expected directions. However, when comparing each twin to their cotwin, which inherently controls for shared genes and environments, we observed within-pair differences consistent with possible causality in three of the 22 assessed outcomes: cannabis use disorder symptoms (ßW-Pooled = .15, SE = .02, p = 1.7 × 10-22), frequency of tobacco use (ßW-Pooled = .06, SE = .01, p = 1.2 × 10-5), and illicit drug involvement (ßW-Pooled = .06, SE = .02, p = 1.2 × 10-4). Covariate specification curve analyses indicated that within-pair effects on tobacco and illicit drug use, but not cannabis use disorder, attenuated substantially when covarying for lifetime alcohol and tobacco use. CONCLUSIONS: The cotwin control results suggest that more frequent cannabis use causes small increases in cannabis use disorder symptoms, approximately 1.3 symptoms when going from a once-a-year use to daily use. For other outcomes, our results are more consistent with familial confounding, at least in this community population of twins. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

Legalización del consumo de cannabis recreativo en adultos y problemas de salud mentales / Legalization of recreational cannabis use in adults and mental health problems

Los problemas de salud mental hacen parte de las enfermedades no trasmisibles y se les atribuye, con otras enfermedades asociados al bienestar, hasta un 21 % de las muertes mundiales. Por ello, es necesario analizar y establecer la relación riesgo/beneficio de políticas relacionadas con la salud mental, caso de la legalización del consumo de cannabis recreativo en adultos. El cannabis es la droga “ilícita” de mayor consumo en los países occidentales, en esencia por incrementar la sociabilidad y la euforia. En la última década, varios países han promulgado normas orientadas a legalizar la comercialización de cannabis recreativo en adultos. En este sentido, existe controversia del efecto de este tipo de iniciativas, en el porcentaje de personas que consumen esta sustancia y en la salud de los mismos. Sin embargo, se podría esperar que este tipo de iniciativas favorezca un aumento en el porcentaje de personas que consumen esta sustancia. El aumento del consumo de marihuana puede favorecer una mayor prevalencia de problemas de salud mental, incluyendo psicosis y esquizofrenia. Se acepta la existencia de una asociación entre consumo de cannabis y psicosis (incluyendo esquizofrenia). En este marco, reconociendo los beneficios de las políticas de legalización del consumo de cannabis recreativo en adultos, orientadas a superar el enfoque prohibicionista y a buscar la reducción del daño, es conveniente evaluar y definir el efecto de las mismas. Además, estas iniciativas se deben acompañar de programas informativos y educativos, orientados a sintetizar los riesgos del consumo, incluyendo, la dependencia y problemas de salud mentales. (AU)

Mental health problems are included in the non-communicable diseases and together to other problems associated with well-being, they are attributed up to 21 % of global deaths. Therefore, it is necessary to analyze and establish the risk/benefit ratio of policy related to mental health, for example, in the case of the legalization of recreational cannabis use in adults. Cannabis is the most widely used “illicit” drug in Western countries, essentially because it increases sociability and euphoria. In the last decade, several countries have endorsed policies aimed at legalizing the commercialization of recreational cannabis in adults. In this sense, there is controversy about the effect of this type of policy on the percentage of people who consume this substance and on their health. However, it could be expected that this type of initiative will improve the percentage of people who consume this substance. Increased marijuana use may lead to a higher prevalence of mental health problems, including psychosis and schizophrenia. The existence of an association between cannabis use and psychosis (including schizophrenia) is accepted. In this framework, recognizing the benefits of policies to legalize the use of recreational cannabis in adults, advancing from a drug prohibition approach to one focused on harm reduction, it is convenient to evaluate and define the effect of this type of policies. Also, this kind of policies should be linked to informative and educational programs to clarify the risks of consumption, including, dependence and mental health problems. (AU)

Exploring associations between affect and marijuana use in everyday life via specification curve analysis.

Although frequently hypothesized, the evidence for associations between affect and marijuana use in everyday life remains ambiguous. Inconsistent findings across existing work may be due, in part, to differences in study design and analytic decisions, such as study inclusion criteria, the operationalization of affect, or the timing of affect assessment. We used specification curves to assess the robustness of the evidence for affect predicting same-day marijuana use and marijuana use predicting next-day affect across several hundred models that varied in terms of decisions that reflect those typical in this literature (e.g., whether to average affect prior to marijuana use or select the affect report closest in time to marijuana use). We fitted these curves to data from two ecological momentary assessment studies of regular marijuana and/or alcohol using college students (N = 287). Results provided robust evidence that marijuana use was slightly less likely following experiences of negative affect and slightly more likely following positive affect. Specification curves suggested that differences in previous findings are most likely a function of the specific emotion items used to represent affect rather than differences in inclusion criteria, the temporal assessment and modeling of affect, or the covariates added to the model. There was little evidence for an association between marijuana use and next-day affect. Overall, our findings provide evidence against the predictions made by affect reinforcement models in college students and suggest that future research should model the associations of marijuana use with discrete emotional states rather than general negative and positive affect. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

Adolescent Substance Use Is Associated With Altered Brain Response During Processing of Negative Emotional Stimuli.

OBJECTIVE: Substance misuse is often associated with emotional dysregulation. Understanding the neurobiology of emotional responsivity and regulation as it relates to substance use in adolescence may be beneficial for preventing future use. METHOD: The present study used a community sample, ages 11-21 years old (N = 130, Mage = 17), to investigate the effects of alcohol and marijuana use on emotional reactivity and regulation using an Emotional Go-NoGo task during functional magnetic resonance imaging. The task consisted of three conditions, where target (Go) stimuli were either happy, scared, or calm faces. Self-report lifetime (and past-90-day) drinking and marijuana use days were provided at all visits. RESULTS: Substance use was not differentially related to task performance based on condition. Whole-brain linear mixed-effects analyses (controlling for age and sex) found that more lifetime drinking occasions was associated with greater neural emotional processing (Go trials) in the right middle cingulate cortex during scared versus calm conditions. In addition, more marijuana use occasions were associated with less neural emotional processing during scared versus calm conditions in the right middle cingulate cortex and right middle and inferior frontal gyri. Substance use was not associated with brain activation during inhibition (NoGo trials). CONCLUSIONS: These findings demonstrate that substance use-related alterations in brain circuitry are important for attention allocation and the integration of emotional processing and motor response when viewing negative emotional stimuli.

The relationship between depressed affect, parental monitoring, and sex on cannabis use among American Indian youth.

BACKGROUND AND OBJECTIVES: American Indian (AI) adolescents report higher rates of cannabis use than national US adolescents. Previous study examined interactive relationships between depressed affect and family factors on AI adolescent alcohol use. These factors have not been investigated for cannabis use. We examined whether parental monitoring dampened risk for cannabis use due to depressed affect, and potential moderation by sex. METHODS: We measured cannabis use, depressed affect, parental monitoring, and sex among reservation area AI youth among students in grades 7-12 attending 45 schools. We used censor-inflated regression models to identify parental monitoring as a moderator of the relationship between depressed affect and cannabis use. RESULTS: In the logistic portion of censor-inflated models, level of depressed affect and parental monitoring significantly related to last 30-day cannabis use. Higher levels of parental monitoring at lower levels of depressed affect related to lower likelihood of cannabis use. Female students had greater likelihood of endorsing cannabis use at higher levels of depressed affect. In the linear portion of the censor-inflated regression models, sex and level of parental monitoring significantly related to cannabis use frequency. Male students endorsed more frequent cannabis use while higher levels of parental monitoring related to lower frequency of use. DISCUSSION AND CONCLUSIONS: Parental monitoring may dampen the effect of depressed affect on cannabis use among AI youth on reservations. SCIENTIFIC SIGNIFICANCE: Future interventions should foster skill-building prevention efforts directed at coping with depression, along with parental training for effective monitoring. Special attention to AI female adolescents may be indicated.

Internal Structure and Invariance of a Brief Version of the Marijuana Motives Measure (MMM-P15) in a Peruvian Population of Marijuana users / Estructura Interna e Invarianza de una Versión Breve del Marijuana Motives Measure (MMM-P15) en Población Peruana de Consumidores de Marihuana

Antecedentes: La identificación de los motivos por los cuales se consume marihuana se ha visto apoyada por instrumentos como el MMM. A pesar de su importancia, aún no se cuenta con versiones breves válidas de este en países latinoamericanos. Este trabajo busca cubrir esta carencia aportando evidencia de validez y confiabilidad, así como la invarianza estructural del MMM. Método: La muestra comprende 1164 consumidores de marihuana, varones y mujeres, con edades entre 18 y 49 años, de Lima y Callao. Resultados: El análisis factorial halló una estructura pentafactorial. La versión breve (MMM-P15) y extensa (MMM) muestran favorables propiedades de estructura y consistencia interna (ꙍ> .88, H > .84) con adecuados índices de ajuste del instrumento corto (RMSEA = .058 [IC 90% .050, .067], SRMR = .044, GFI = .99, TLI = .99, CFI = .99). Asimismo, ambas versiones mantienen la invarianza según el sexo y se encontró evidencia de validez interna (AVE > .50) y con otros constructos (CAST y SWLS). Conclusiones: El MMM-P15 evidencia propiedades psicométricas que respaldan su uso tanto en hombres y mujeres consumidores de marihuana, además es un instrumento corto, versátil y útil para fines de investigación incluso en contextos clínicos.(AU9

Background: The identification of the reasons for marijuana use has been supported by instruments such as the MMM. Despite its importance, there are still no valid brief versions of this instrument in Latin American countries. This paper seeks to fill this gap by providing evidence of validity and reliability, as well as the structural invariance of the MMM. Method:The sample consisted of 1164 male and female marijuana users, aged between 18 and 49 years, from Lima and Callao. Results: The factor analysis found a pentafactorial structure. The brief version (MMM-P15) and the wide MMM showed favorable properties from structure and reliability (ꙍ> .88, H > .84) with appropriate indicators of the short instrument adjustment (RMSEA = .058 [CI 90% .050, .067], SRMR = .044,TLI = .99, CFI = .99). Likewise, both versions maintain the invariance of the instrument according to sex and evidence of internal validity was found (AVE > .50). Aside from bringing evidence of validity with other constructs like CAST and SWLS scale. Conclusions:The MMM-P15 shows psychometric properties that support its use in both male and female marijuana users, and it is a short, versatile, and useful instrument for research pur-poses even in clinical settings.(AU)

Negative Affect Regulation and Marijuana Use in College Students: Evaluating the Mediating Roles of Coping and Sleep Motives.

Negative affect regulation models suggest that marijuana may be used to reduce negative affect. Extant research has provided support for these models, indicating that specific motives for marijuana use, particularly coping motives (i.e., using to alleviate negative affects), mediate relations between affective vulnerabilities and marijuana outcomes. However, sleep motives (i.e., using to promote sleep) have been neglected from such models, despite their theoretical relevance. The present study tested two multiple mediation models in a large sample of marijuana-using college students (N = 1,453) to evaluate the indirect effects of coping and sleep motives in paths from depressive and anxiety symptoms to marijuana outcomes (use, consequences, and cannabis use disorder [CUD] symptoms). Both coping and sleep motives mediated the effects of depressive/anxiety symptoms on each marijuana variable. Moreover, significant double mediated effects were found, such that higher affective symptoms were associated with greater motives; which were associated with more marijuana use; which was related to more negative consequences and CUD symptoms. The findings provide support for sleep motives as a relevant pathway between affective vulnerabilities and marijuana outcomes. Additional research is needed to evaluate the potential benefits of interventions targeting specific marijuana motives.

Factors Associated with Simultaneous or Concurrent Use of Alcohol and Marijuana in Argentina.

Background: The identification of factors promoting simultaneous alcohol and marijuana (SAM) use is important to promote early intervention efforts. The associations between impulsivity facets and SAM (or concurrent alcohol and marijuana, CAM) use have been analyzed in North American samples. These topics, however, remain unexplored in South American samples. This study assessed if internalizing symptoms, five impulsivity dimensions, and emotional regulation strategies differentiate between participants who reported last 2-month SAM use, CAM use, alcohol, or marijuana only use, or that reported no substance use. Methods: A sample of 1057 Argentinian citizens answered an online survey. A multinominal logistic regression was conducted on drug use membership. Results: Circa 25% of the sample reported SAM use. Higher sensation seeking differentiated between SAM use versus no substance use, and those with lower sensation seeking were more likely to be classified into the alcohol-only group or into the nonuse group, than into the SAM use group. Stress scores uniquely predicted membership into the alcohol-only category. Those with lower use of emotional suppression were more likely than nonusers to be classified in all drug use categories, except CAM use. Higher emotional suppression scores were associated with membership into the nonuse group or the alcohol-only group, when compared to the SAM use group. Hazardous drinking was significantly greater in SAM than in alcohol-only users. Conclusions: The study highlights the relevance of sensation seeking as a predictor of SAM use and pinpoints emotional suppression as common factor modulating hazardous drug use behaviors.

Significados e representações do uso recreativo de maconha para mulheres / Meanings and representations of recreational use of marijuana by women

Diante das especificidades de gênero, este trabalho busca identificar o significado do uso recreativo de maconha para as mulheres em momentos de lazer. O estudo é uma pesquisa social desenvolvida por meio de entrevistas semiestruturadas. Foram entrevistadas 8 mulheres, acessadas pelo método 'Bola de Neve'. Resultados: Foram definidas as seguintes categorias de sentidos atribuídos ao uso da maconha pelas mulheres: sociabilidade, relacionamentos afetivos e sexo com uso da maconha; relaxamento e descanso; 'calmante' e medicamento; autoconhecimento, afirmação de identidade e criatividade. De acordo com os achados da pesquisa foi identificado que a maconha se insere no universo feminino como parte constituinte da cultura e da identidade das mulheres usuárias.

In view of gender specificities, this paper discusses the meaning of recreational use of marijuana by women at leisure. The study was a social survey was conducted through semi-structured interviews. Eight women were interviewed, they were accessed using the Snowball sampling method. Results: the data were systematized into categories of meanings attributed to the use of marijuana by women: sociability, affective relationships and sex with marijuana use; relaxation and rest; 'Soothing' and medicine; self-knowledge, identity affirmation and creativity. According to research findings, it was identified that marijuana is inserted in the female universe as a constituent part of the culture and identity of women.