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. 2019 Nov 1;19:335. doi: 10.1186/s12888-019-2324-z

Table 3.

Characteristics of cannabis use by subjects (n = 100) enrolled in the study

Cannabis Characteristic
 Age of First Cannabis Use (± SD) 17.3 (± 4.8)
 Age of Onset for Regular Use (± SD) 20.4 (± 6.2)
 Years of Medicinal Cannabis Use (± SD) 5.5 (± 7.1)
Initial intention of cannabis use
 Medicinal 11
 Recreational 88
 Ever smoked cigarettes 70
 Current smoker 21
Reason for medical cannabis use
 Conventional treatments unhelpful 22
 Prefer natural treatment 52
 Doctor recommendation 10
 Internet search for treatments 16
 Hear-say from peers 40
 Other 18
Mental health conditions to treat with cannabis
 Anxiety, stress 77
 Depression 47
 Insomnia, sleep issues 53
 PTSD 14
 Bipolar disorder 5
 Focus, attention 14
 Other 31
Using cannabis to treat other health conditions 25
Reasons conventional treatments not preferred
 Not effective 44
 Side effects 54
 Expensive 25
 Other 25
Dispensary visits per month (± SD) 4.0 (± 3.4)
Frequency of cannabis use, times per month (± SD) 47.1 (± 30.8)
Amount of product use per week
Dried cannabis
 <1 g 31
 3.5 g (an eighth) 40
 7 g (a quarter) 17
 14 g (a half) 6
 28 g (an ounce) 2
 Capsules (1–2 daily) 10
 Tincture (~ 5 drops daily) 4
 Other (~ 5 teabags, 20 oz. creams, oils and bath salts) 6
Time of day usually use cannabis
 Early morning (6 am–9 am) 9
 Mid-morning (9 am–11 am) 13
 Midday (10 am-2 pm) 17
 Mid-afternoon (2 pm–4 pm) 16
 Early evening (4 pm–7 pm) 27
 Evening (7 pm–10 pm) 67
 Late night (10 pm-12 am) 35
 Middle of the night (12 am–6 am) 10
 On an as-needed basis 37
Preferred form of consumption
 Smoking 71
 Vaporiser 43
 Edibles 20
 Capsules 17
 Tinctures 15
Tincture THC 3
Tincture CBD 6
Tincture Mix 7
 Tea 9
 Topical 11
Cannabis products usually bought
 Dried cannabis 91
 CBD capsules 23
 Edibles 17
 Extracts, concentrates 9
 Tea 8
 Tinctures 8
 Massage oil, cream 13
 Other 2
Preferred THC to CBD concentrations
 Pure THC 20
 Pure CBD 18
 High THC/Low CBD 35
 Equal THC/CBD 35
 Low THC/High CBD 21
 No preference 6
 Don’t know 14
Negative effects from medical cannabis
 Short-term memory loss 25
 Dizziness 16
 Decreased attention span 21
 Decreased sensory perception 6
 Increased anxiety 36
 Paranoia 26
 Impaired body movements 9
 Difficulty breathing 8
 Other 8
Frequency of negative effects
 Every time I use cannabis 2
 Nearly every time 4
 Sometimes 6
 Rarely 20
 Only during a certain cannabis type 19
 Not since the first time I used cannabis 1
 Other 10