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Table 2 Characteristics of cannabis use among codeine users and nonusers, Canadian Tobacco, Alcohol and Drugs Survey (2017), study sample (N = 3338)

From: The association between cannabis and codeine use: a nationally representative cross-sectional study in Canada

  Codeine usea (N = 462) N (%) No codeine useb (N = 2,875) N (%)
Used cannabis more than once
 No 18f (1.7) 163e (2.6)
 Yes 444 (98.3) 2712 (97.4)
Cannabis use for medical purposes
 No 271 (38.3) 2112 (67.9)
 Yes 191 (61.6) 764 (32.1)
Method of cannabis usec
 Smoked 434 (90.8) 2708 (89.7)
 Eaten 233e (51.4) 1121 (36.6)
 Vaporized 188e (43.8) 869 (27.5)
 Drank 64f (16.3) 239 (7.4)
Frequency of cannabis used
 Monthly or less 127e (22.8) 922 (35.7)
 Weekly or more 207e (55.4) 981 (36.0)
 Not stated 120 (21.8) 969 (28.3)
Self-perceived impairment of ability to complete daily tasks due to cannabis use
 No 370 (80.1) 2419 (84.1)
 Yes 74f (16.0) 289e (10.1)
  1. aUse of cannabis-containing products in the past 12 months
  2. bNo use of cannabis-containing products in the past 12 months
  3. cCumulative percentage may be greater than 100, as multiple categories may be relevant to each participant
  4. dUse over the past 3 months
  5. eCoefficients of variation are within the range of 16.6 to 33.3%. Therefore, it is required to report by the Statistics Canada that estimates are associated with high levels of error (Statistics Canada 2021)
  6. fCoefficients of variation are greater than 33.3%. Therefore, estimates do not meet Statistics Canada’s quality standards. Conclusions based on this data will be unreliable and most likely invalid (Statistics Canada 2021). All percentages reported are weighted using probability weights from Statistics Canada