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The Relationship between Cannabis and Tobacco Co-administration and Long-Term Patterns of Cannabis Use in Young Adults Who Use Stimulants: A Prospective Population-Based Study.

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Title: The Relationship between Cannabis and Tobacco Co-administration and Long-Term Patterns of Cannabis Use in Young Adults Who Use Stimulants: A Prospective Population-Based Study.
Authors: Ahmed Alghamdi, Abdullah (AUTHOR), Gartner, Coral (AUTHOR), Najman, Jake M. (AUTHOR), Chan, Gary (AUTHOR), Smirnov, Andrew (AUTHOR)
Source: Substance Use & Misuse. 2022, Vol. 57 Issue 1, p11-20. 10p. 6 Charts.
Subjects: Statistics, Cannabis (Genus), Substance abuse, Central nervous system stimulants, Confidence intervals, Time, Quantitative research, Regression analysis, Amphetamines, Population-based case control, Descriptive statistics, Odds ratio, Tobacco, Drug abusers, Longitudinal method
Geographic Terms: Australia
Abstract: Co-administering cannabis with tobacco (i.e. co-administration of the substances mixed together) is a common practice among cannabis users, but the consequences of this practice are not well understood. This study examines the relationship between co-administering cannabis with tobacco and the long-term frequency of cannabis use in a young adult population group with high rates of cannabis and tobacco use. The data are from an Australian prospective population-based study of young adults who recurrently used amphetamine-type stimulants (ATS). The mean age of participants was 20.8 years at baseline, sample size (n = 277), and 47% were female. We examined the frequency and quantity of cannabis consumption over 4 ½ years. Negative binomial regression analysis was conducted to examine the frequency of cannabis use at 12-month follow-up and at 4 ½ years, with co-administering practices as the predictor. At every time interval, participants who always co-administered their cannabis with tobacco used cannabis on more days in the last month than those who only sometimes co-administered, rarely co-administered, or never co-administered these substances (p < 0.001). Sometimes co-administering cannabis with tobacco at baseline predicted more frequent cannabis use at 12-month follow-up (adjusted IRR: 2.25, 95% CI: 1.05, 4.78), independently of the baseline frequency of cannabis use. However, levels of co-administering cannabis with tobacco at 12-month follow-up (rarely, sometimes, and always) did not predict high levels of cannabis use at 4 ½ years follow-up after adjusting for cannabis use at 12-month follow-up. Among people who use ATS and cannabis, frequent cannabis use may be a marker of the practice of co-administering cannabis with tobacco, and can be used to target tobacco cessation interventions in these populations. [ABSTRACT FROM AUTHOR]
Copyright of Substance Use & Misuse is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: The Relationship between Cannabis and Tobacco Co-administration and Long-Term Patterns of Cannabis Use in Young Adults Who Use Stimulants: A Prospective Population-Based Study.
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  Data: Co-administering cannabis with tobacco (i.e. co-administration of the substances mixed together) is a common practice among cannabis users, but the consequences of this practice are not well understood. This study examines the relationship between co-administering cannabis with tobacco and the long-term frequency of cannabis use in a young adult population group with high rates of cannabis and tobacco use. The data are from an Australian prospective population-based study of young adults who recurrently used amphetamine-type stimulants (ATS). The mean age of participants was 20.8 years at baseline, sample size (n = 277), and 47% were female. We examined the frequency and quantity of cannabis consumption over 4 &#189; years. Negative binomial regression analysis was conducted to examine the frequency of cannabis use at 12-month follow-up and at 4 &#189; years, with co-administering practices as the predictor. At every time interval, participants who always co-administered their cannabis with tobacco used cannabis on more days in the last month than those who only sometimes co-administered, rarely co-administered, or never co-administered these substances (p &lt; 0.001). Sometimes co-administering cannabis with tobacco at baseline predicted more frequent cannabis use at 12-month follow-up (adjusted IRR: 2.25, 95% CI: 1.05, 4.78), independently of the baseline frequency of cannabis use. However, levels of co-administering cannabis with tobacco at 12-month follow-up (rarely, sometimes, and always) did not predict high levels of cannabis use at 4 &#189; years follow-up after adjusting for cannabis use at 12-month follow-up. Among people who use ATS and cannabis, frequent cannabis use may be a marker of the practice of co-administering cannabis with tobacco, and can be used to target tobacco cessation interventions in these populations. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Substance Use &amp; Misuse is the property of Taylor &amp; Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=154852987
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/10826084.2021.1975744
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 11
    Subjects:
      – SubjectFull: Statistics
        Type: general
      – SubjectFull: Cannabis (Genus)
        Type: general
      – SubjectFull: Substance abuse
        Type: general
      – SubjectFull: Central nervous system stimulants
        Type: general
      – SubjectFull: Confidence intervals
        Type: general
      – SubjectFull: Time
        Type: general
      – SubjectFull: Quantitative research
        Type: general
      – SubjectFull: Regression analysis
        Type: general
      – SubjectFull: Amphetamines
        Type: general
      – SubjectFull: Population-based case control
        Type: general
      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Odds ratio
        Type: general
      – SubjectFull: Tobacco
        Type: general
      – SubjectFull: Drug abusers
        Type: general
      – SubjectFull: Longitudinal method
        Type: general
      – SubjectFull: Australia
        Type: general
    Titles:
      – TitleFull: The Relationship between Cannabis and Tobacco Co-administration and Long-Term Patterns of Cannabis Use in Young Adults Who Use Stimulants: A Prospective Population-Based Study.
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            NameFull: Ahmed Alghamdi, Abdullah
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            NameFull: Gartner, Coral
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            NameFull: Najman, Jake M.
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            NameFull: Chan, Gary
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            – D: 01
              M: 01
              Text: 2022
              Type: published
              Y: 2022
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              Value: 57
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            – TitleFull: Substance Use & Misuse
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