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Research

Pharmaceutical cannabinoid use in Manitoba, 2004/05 to 2014/15: a population-based cross-sectional study

Wajd Alkabbani, Ruth Ann Marrie, Shawn Bugden, Silvia Alessi-Severini, Paul Daeninck, James Bolton, Jitender Sareen and Christine Leong
December 18, 2018 6 (4) E637-E642; DOI: https://doi.org/10.9778/cmajo.20180109
Wajd Alkabbani
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Ruth Ann Marrie
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Shawn Bugden
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Silvia Alessi-Severini
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Paul Daeninck
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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James Bolton
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Jitender Sareen
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Christine Leong
College of Pharmacy (Alkabbani, Bugden, Alessi-Severini, Leong), Rady Faculty of Health Sciences; Max Rady College of Medicine (Marrie, Daeninck, Bolton, Sareen), Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Man.; School of Pharmacy (Bugden), Memorial University of Newfoundland, St. John’s, Nfld.
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Article Figures & Tables

Figures

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  • Figure 1:
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    Figure 1:

    Annual incidence of cannabinoid users in Manitoba, 2004/05–2014/15.

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    Figure 2:

    Annual incidence rate of cannabinoid use by age group (A), sex (B) and area of residence (C).

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    Figure 3:

    Annual prevalence of cannabinoid use.

Tables

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    Table 1:

    Demographic characteristics of new cannabinoid users in Manitoba, 2004/05 to 2014/15

    CharacteristicNo. (%) of users
    n = 5033
    Age group, yr
     ≤ 1855 (1.1)
     19–451698 (33.7)
     46–642455 (48.8)
     ≥ 65825 (16.4)
    Sex
     Female2934 (58.3)
     Male2099 (41.7)
    Area of residence
     Urban3207 (63.7)
     Rural1826 (36.3)
    Socioeconomic status
     High458 (9.1)
     Middle1712 (34.0)
     Mid-low2028 (40.3)
     Low835 (16.6)
    Medical condition*
     Chronic pain2540 (50.5)
     Fibromyalgia1775 (35.3)
     Mood/anxiety disorder1116 (22.2)
     Cancer917 (18.2)
     Osteoarthritis662 (13.2)
     Substance abuse418 (8.3)
     Multiple sclerosis213 (4.2)
     Glaucoma169 (3.4)
     Rheumatoid arthritis155 (3.1)
     HIV/AIDS51 (1.0)
     Schizophrenia29 (0.6)
     Epilepsy27 (0.5)
    • ↵* Some users had more than 1 condition.

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    Table 2:

    Effect of time and sociodemographic characteristics on the prevalence and incidence of cannabinoid use in Manitoba, 2004/05–2014/15

    VariableRelative rate (95% CI)
    PrevalenceIncidence
    Change in annual rate1.15 (1.14–1.16)1.09 (1.08–1.10)
    Female v. male sex1.38 (1.30–1.46)1.33 (1.23–1.42)
    Age
     ≤ 18 v. ≥ 650.03 (0.02–0.04)0.04 (0.03–0.06)
     19–45 v. ≥ 650.96 (0.88–1.06)0.82 (0.74–0.91)
     46–64 v. ≥ 652.28 (2.09–2.49)1.70 (1.53–1.89)
    Urban v. rural residence1.17 (1.10–1.24)1.11 (1.04–1.19)
    Socioeconomic status
     Low v. high0.62 (0.55–0.71)0.79 (0.68–0.92)
     Mid-low v. high0.73 (0.66–0.80)0.84 (0.74–0.95)
     Middle v. high0.92 (0.89–1.08)1.06 (0.94–1.19)
    • Note: CI = confidence interval.

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CMAJ Open: 6 (4)
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1 Oct 2018
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Pharmaceutical cannabinoid use in Manitoba, 2004/05 to 2014/15: a population-based cross-sectional study
Wajd Alkabbani, Ruth Ann Marrie, Shawn Bugden, Silvia Alessi-Severini, Paul Daeninck, James Bolton, Jitender Sareen, Christine Leong
Oct 2018, 6 (4) E637-E642; DOI: 10.9778/cmajo.20180109

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Pharmaceutical cannabinoid use in Manitoba, 2004/05 to 2014/15: a population-based cross-sectional study
Wajd Alkabbani, Ruth Ann Marrie, Shawn Bugden, Silvia Alessi-Severini, Paul Daeninck, James Bolton, Jitender Sareen, Christine Leong
Oct 2018, 6 (4) E637-E642; DOI: 10.9778/cmajo.20180109
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