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Introduction: Cannabis use is increasing among cigarette smokers in the United States. Prior studies suggest that cannabis use may be a barrier to smoking cessation. Yet, the extent to which this is the case among adults seeking to quit tobacco use remains unclear. Tobacco quitlines are the most common provider of no-cost treatment for adults who use smoke in the United States. This study investigated the association between cannabis use and smoking cessation outcomes among quitline callers., Aims and Methods: Participants included callers to the New York State Smokers' Quitline, who were seeking to quit smoking cigarettes and were contacted for outcome assessment 7 months after intake. Thirty-day point prevalence abstinence rates were calculated and compared among cannabis use groups, based on frequency of past-30-day cannabis use at baseline (none: 0 days, occasional: 1-9 days, regular: 10-19 days, and daily: 20-30 days)., Results: Approximately 8.3% (n = 283) of participants (n = 3396) reported past-30-day cannabis use at baseline. Callers with daily cannabis use (20-30 days per month) had significantly lower odds of 30-day abstinence, relative to those who did not use cannabis (odds ratio = 0.5; 95% confidence interval [0.3, 0.9])., Conclusions: Daily cannabis use appears to be associated with poorer smoking cessation treatment outcomes among adults seeking to quit smoking cigarettes via a quitline. Because quitlines are among the most accessible, affordable, and frequently utilized community-based treatments available in the United States, and the prevalence of cannabis use is increasing among cigarette smokers, detailed inquiry into cannabis use might enhance cigarette smoking cessation outcomes., Implications: Quitlines are free of cost and accessible to millions of smokers in the United States. The current study found an inverse relationship between daily cannabis use at baseline and 30-day abstinence from cigarette smoking at 7-month follow-up among New York State Smokers' Quitline callers. Findings suggest that daily cannabis use may be a barrier to smoking cessation and sustained abstinence among those seeking help to stop smoking cigarettes., (© The Author(s) 2022. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

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., (© 2022 Society for the Study of Addiction.)

Background and Aims: Cannabis use among parents may be increasing with legalization, but perception of associated risk has declined. The study investigated the association between cannabis legalization and cannabis use among adults with children in the home over time in the United States (US)., Design: A difference-in-difference approach was applied to public and restricted-use data from the 2004-2017 National Survey on Drug Use and Health (NSDUH), an annual cross-sectional survey., Setting: A representative sample of the United States., Participants/cases: Respondents ages 18+ with children living in the home drawn from the NSDUH (n = 287,624), which is administered to non-institutionalized civilians in the 50 states and District of Columbia., Measurements: Exposures were year and state-level cannabis policy in state of residence annually. Outcomes were past-30-day cannabis use and daily cannabis use. Sociodemographic variables included age, gender, marital status, annual family income, race/ethnicity, educational attainment, and strength of state-level tobacco control., Findings: In 2017, past-month cannabis use (11.9%, 9.3%, and 6.1%) and daily cannabis use (4.2%, 3.2%, and 2.3%) were more common in states with recreational marijuana laws (RML), followed by states with medical marijuana laws (MML) and without legal cannabis use, respectively. RML and MML were associated with significantly higher prevalence of past-month cannabis use (adjusted odds ratio [AOR] = 1.28, 95% confidence interval [CI] = 1.12-1.46; AOR = 1.12, 95% CI = 1.03-1.22) and daily cannabis use (AOR = 1.25, 95% CI = 1.03-1.51; AOR = 1.16, 95% CI = 1.02-1.32), respectively. The impact of MML was particularly salient among adults ages 50+ and the highest income and education subgroups., Conclusions: Among adults with children living in the home, cannabis use appears to be more common in US states with legalized cannabis use compared with states with no legal cannabis use. Recreational legalization appears to increase use among adults with children in the home broadly across nearly all sociodemographic groups, whereas the effect of legalization for medical use is heterogeneous by age and socioeconomic status., (© 2021 Society for the Study of Addiction.)

Background: Cannabis use is increasing in the United States. Prior work suggests tobacco use in pregnancy is much more common among those with depression. It is not known whether cannabis use is also more common among this especially vulnerable group. Identifying those at highest risk for cannabis use is required to direct prevention and intervention efforts.Methods: Data were drawn from the 2005-2018 National Survey on Drug Use and Health (NSDUH), an annual, cross-sectional sample of persons ages 12 and older representative of the US. The prevalence of past-30-day cannabis use by depression status (past-12-month) and by sociodemographic factors and perception of risk associated with cannabis use was estimated among pregnant women.Results: Cannabis use was significantly more common among pregnant women with, compared to without, depression (12.7 % vs. 3.7 %; odds ratio (OR) = 3.8 (95 % confidence interval 2.8, 5.0)). This was the case across all sociodemographic subgroups. The relationship between depression and cannabis use was significantly stronger among those who perceived moderate-great risk (OR = 6.9 (3.7, 13.0)) compared with no risk (OR = 1.6 (1.1, 2.4); Pint = 0.0003) associated with regular use.Conclusions: Women with depression are more than three times more likely to use cannabis during pregnancy. Disparities in cannabis use among pregnant women by depression status appear to be echoing trends in tobacco use. Education about risks associated with cannabis use in pregnancy and prevention, akin to those for prenatal tobacco use, may be needed among pregnant women who are depressed to stem this increase and potentially growing disparity. [ABSTRACT FROM AUTHOR]