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Table 3 Multivariable adjusted odds ratios (95% CI) of health- and medical cannabis-related factors associated with current authorization status

From: Canadians’ use of cannabis for therapeutic purposes since legalization of recreational cannabis: a cross-sectional analysis by medical authorization status

Health- and medical cannabis-related factors

Odds ratio (95% confidence interval)

Health issues medical cannabis taken fora

 ADHD

0.84 (0.69–1.01)

 Agitation

0.88 (0.72–1.06)

 Anxiety

0.83 (0.71–0.98)

 Appetite

0.96 (0.81–1.13)

 Bipolar disorder

1.05 (0.78–1.42)

 Concentration

1.02 (0.83–1.24)

 Depression

0.78 (0.67–0.90)

 Pain—acute

0.91 (0.77–1.08)

 Pain—chronic

1.74 (1.50–2.01)

 Migraine

1.20 (1.03–1.39)

 Muscle spasms

1.08 (0.93–1.25)

 Nausea and vomiting

0.80 (0.68–0.95)

 PCOS

0.90 (0.62–1.30)

 PTSD

1.25 (1.06–1.47)

 Seizures

1.88 (1.19–2.98)

 Stress

1.09 (0.94–1.26)

 Traumatic brain injury

2.12 (1.50–3.02)

Duration of medical cannabis use

 < 6 months

1 (ref)

 6 months to < 1 year

0.74 (0.46–1.19)

 1 to < 2 years

1.19 (0.78–1.81)

 2 to < 3 years

0.86 (0.58–1.28)

 3 to < 5 years

1.56 (1.07–2.27)

 5 to < 10 years

1.54 (1.06–2.26)

 10+ years

0.54 (0.37–0.79)

Reasons for taking medical cannabisb

 In addition to other medications.

1.09 (0.95–1.24)

To reduce the use of other medications.

1.30 (1.14–1.48)

To reduce side effects of other medications/treatments.

1.29 (1.11–1.51)

Other medications do not work well for me.

1.28 (1.11–1.48)

 General health and wellness.

0.97 (0.84–1.11)

For recreational purposes.

0.49 (0.42–0.56)

Works well managing health condition(s) or symptom(s).

1.62 (1.37–1.91)

Enhances effect of other medication(s).

1.40 (1.18–1.66)

It works better than other medications or treatments I take.

1.55 (1.35–1.77)

 It is a natural treatment.

1.06 (0.93–1.22)

Gives control over my health.

1.34 (1.18–1.53)

Less expensive than other medications I take.

0.51 (0.43–0.61)

 Fewer side effects than other medication(s) I take.

1.14 (0.99–1.31)

I can purchase it at a recreational store.

0.28 (0.24–0.32)

  1. Multivariable adjusted odds ratios are adjusted for ethnicity, gender, age, province/territory currently live, size of city or town, education, annual household income, being a member of the Canadian Armed Forces, and health conditions or symptoms cannabis was taken for
  2. Values in bold represent statistically significant findings where p < 0.001 with a value > 1.0 indicating being more likely to hold authorization whereas a value < 1.0 indicating being less likely to hold authorization
  3. CI Confidence intervals, ref Reference group
  4. aThe reference group for each consists of individuals without the condition/symptom
  5. bThe reference group consists of individuals who indicated they did not use medical cannabis for a specific reason. Reasons were not mutually adjusted for each other in multivariable models