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Aim
To quantify the trends in frequent and occasional cannabis vaping, demographic differences and concurrent nicotine and alcohol use.
Design
Observational study. Survey‐weighted multinomial logistic regression models assessed trends and disparities in past 30‐day cannabis use. Trends were assessed overall and by sex, race/ethnicity, parental education and urbanicity. Multinomial logistic regression...
Background and Aims
To prevent COVID‐19 transmission, some United States (US) federal regulations on substance use disorder (SUD) treatment were suspended in March 2020. This study aimed to quantify the extent of state‐level policy uptake and the potential number of people with SUD affected by these policy changes across the US, as well as to assess if policy uptake correlated with rates of people...
Background and aims
Among adolescents, risk preference and deviant behaviors are associated with marijuana use, which exhibit substantial historical trends. We examined (1) trends, (2) effect modification by sex and age, (3) associations of marijuana use with deviant behaviors and risk preferences and (4) differences by sex, age and year.
Design
Adjusted logistic and relative risk regression models,...
Background and aims
Prescription drug monitoring programs (PDMP), defined as state‐level databases used in the United States that collect prescribing information when controlled substances are dispensed, have varied substantially between states and over time. Little is known about the combinations of PDMP features that, collectively, may produce the greatest impact on prescribing and overdose. We...
Background and Aims
Most US states have passed medical marijuana laws (MMLs), with great variation in program regulation impacting enrollment rates. We aimed to compare changes in rates of marijuana use, heavy use and cannabis use disorder across age groups while accounting for whether states enacted medicalized (highly regulated) or non‐medical mml programs.
Design
Difference‐in‐differences estimates...
Background and Aims
The ageing US population is providing an unprecedented population of older adults who use recreational drugs. We aimed to estimate the trends in the prevalence of past‐year use of cannabis, describe the patterns and attitudes and determine correlates of cannabis use by adults age 50 years and older.
Design
Secondary analysis of the National Survey on Drug Use and Health survey...
AimsTo estimate the influence of non‐medical use of prescription opioids (NMUPO) on heroin initiation among US veterans receiving medical care.
DesignUsing a multivariable Cox regression model, we analyzed data from a prospective, multi‐site, observational study of HIV‐infected and an age/race/site‐matched control group of HIV‐uninfected veterans in care in the United States. Approximately annual...
AimTo test the strength of the association between parental monitoring trajectories throughout early adolescence (ages 11–14) and gambling behaviours by young adulthood (age 22).
DesignLongitudinal cohort design.
SettingBaltimore, Maryland.
ParticipantsThe sample of 514 participants with gambling data between ages 16–22 and parental monitoring data between ages 11–14 were predominantly African...
AimBuilding on the recent emerging literature on the impulsivity trajectory–gambling association, this study investigated the association between developmental trajectories of teacher‐rated impulsivity in early adolescence (ages 11–15 years) and subsequent gambling and gambling problems (i.e. at‐risk and problem gambling) by age 19.
DesignProspective cohort design.
SettingUrban communities in Baltimore,...
AimsTo derive empirical subtypes of problem gamblers based on etiological and clinical characteristics described in the Pathways Model, using data from a nationally representative survey of US adults.
Design & measurementData were collected from structured diagnostic face‐to‐face interviews using the Alcohol Use Disorder and Associated Disabilities Interview Schedule DSM‐IV version IV (AUDADIS‐IV)...
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