Table 1 Descriptive variables (number of participants reporting cannabis use in last year = 8345)

Age (N = 8345)

−16-20

28.4%

−21-30

41.7%

−31-40

14.9%

−41-79

15.0%

Sex (N = 8345)

-Male

75.5%

-Female

23.6%

-Transgender

0.9%

Time of First Joint (N = 7033)

>60mins

78.0%

<60mins

22.0%

Time of Last Joint (N = 7034)

-Last Thing before Bed

31.3%

−1-2 h before bed

49.1%

−3-4 h before bed

15.4%

-More than 4 h before bed

4.2%

Mixing Tobacco with Cannabis (N = 8345)

No

78.0%

Yes

22.0%

Cannabis Used Per Session (Grams) (N = 7667)

Median

0.5

Interquartile Range

0.125–1.000

Number of Hours Stoned in a Session (N = 6970)

Median

4

Interquartile Range

3.0–6.0

Number of Days Cannabis was Used in the Last Year (N = 7389)

Median

250

Interquartile Range

50–360

Preferred Form of Cannabis (N = 7565)

-High potency herbal cannabis

62.1%

-Resin/hash

11.2%

-Normal weed/bush/pressed

1.7%

-Edibles

1.3%

-Kief

8.3%

-Oil

8.0%

-Butane Hash Oil

7.6%

Most Common Mode of Cannabis Consumption (N = 7913)

-Smoked in a joint with tobacco

3.8%

-Smoked in a joint without tobacco

11.3%

-Smoked in a blunt with tobacco

0.7%

-Smoked in a blunt without tobacco

7.5%

-Smoked in a pipe with tobacco

0.5%

-Smoked in a pipe without tobacco

33.3%

-Smoked in a bong/water pipe with tobacco

2.6%

-Smoked in a bong/water pipe without tobacco

23.0%

-Bucket bong

1.5%

-Hot knife

0.2%

-Vaporizer

12.7%

-Eaten in food

2.4%

-Tincture/drank as tea

0.4%

-Medical spray

0.1%