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Table 2 Self-reported cannabis use characteristics, for patients recruited pre- and post- recreational cannabis legalization (N = 1390)

From: Cannabis use in patients treated for opioid use disorder pre- and post-recreational cannabis legalization in Canada

Characteristic Total Sample
(N = 1390)
Recruited pre-legalization
(n = 602)
Recruited post-legalization
(n = 788)
p value
Self-reported cannabis use; n (%) 742 (53.4%) 330 (54.8%) 412 (52.3%) 0.348
Days of use in the last 30 days amongst users; median (IQR) 30 (20) 30 (16) 30 (20) 0.540
Frequency of use; n (%)     0.896
   Daily 492 (66.4%) 216 (65.5%) 276 (67.2%)  
   Every other day 41 (5.5%) 21 (6.4%) 20 (4.9%)  
   2–3 times per week 91 (12.3%) 45 (13.6%) 46 (11.2%)  
   Once weekly 32 (4.3%) 12 (3.6%) 20 (4.9%)  
   2–3 times per month 85 (11.5%) 36 (10.9%) 49 (11.9%)  
Dollars spent on cannabis per week (CAD); median (IQR) 25 (60) 30 (65) 20 (50) 0.023
Source of cannabis; n (%)     0.932
   Dispensary 123 (16.6%) 51 (15.5%) 72 (17.5%)  
   Medical Prescription 30 (4.1%) 17 (5.2%) 13 (3.2%)  
   Vape Shop 16 (2.2%) 12 (3.6%) 4 (1%)  
   Family/friends 276 (37.3%) 109 (33%) 167 (40.6%)  
   Street 196 (26.5%) 103 (31.2%) 93 (22.6%)  
   Other 100 (13.5%) 38 (11.5%) 62 (15.1%)  
Route of cannabis use; n (%)     0.708
   Inhaled 527 (71.2%) 237 (71.8%) 290 (70.4%)  
   Oral Ingestion 53 (7.1%) 21 (6.4%) 32 (7.8%)  
   Oil 45 (6.1%) 19 (5.8%) 26 (6.3%)  
   Other 117 (15.8%) 53 (16.1%) 64 (15.5%)  
Reasons for cannabis usea; n (%)
   To get high 297 (21.4%) 128 (21.3%) 169 (21.5%)  
   Relaxation 588 (42.3%) 263 (43.7%) 325 (41.2%)  
   Pain relief 400 (28.8%) 179 (29.7%) 221 (28.1%)  
   Prescribed medication 74 (5.3%) 44 (7.3%) 30 (3.8%)  
   Appetite stimulation 335 (24.1%) 154 (25.6%) 181 (23%)  
   Peer pressure 142 (10.2%) 58 (9.6%) 84 (10.7%)  
   Pleasure 358 (25.8%) 176 (29.2%) 182 (23.1%)  
   Stress relief 516 (37.1%) 223 (37%) 293 (37.2%)  
   Boredom 285 (20.5%) 126 (20.9%) 159 (20.2%)  
   Social anxiety relief 284 (20.4%) 138 (22.9%) 146 (18.5%)  
   Sleep promotion 503 (36.2%) 230 (38.2%) 273 (34.6%)  
   Instead of opioids 287 (20.7%) 133 (22.1%) 154 (19.5%)  
   Opioid withdrawal/craving relief 243 (17.5%) 108 (17.9%) 135 (17.1%)  
   Cannabis withdrawal/craving relief 83 (6%) 36 (6%) 47 (6%)  
  1. Self-reported cannabis use characteristics
  2. IQR interquartile range, CAD Canadian Dollars
  3. aSelf-reported reasons for cannabis use; participants could indicate more than one reason