Table 2 Differences in Cannabis Use Behaviors Across Tobacco and Spliff Usage Groups.

From: The Intersection between Spliff Usage, Tobacco Smoking, and Having the First Joint after Waking

Variable

Level

Smoke tobacco and did not use spliffs (n = 2008)

Smoke tobacco and used spliffs (n = 1870)

Never smoked tobacco and did not use spliffs (n = 3097)

Never smoked tobacco and used spliffs (n = 250)

Smoked tobacco more than 12 months ago and did not use spliffs (n = 963)

Smoked tobacco more than 12 months ago and used spliffs (n = 157)

Differences in means (P-Value)

Age

-16–20

20.17%

40.37%

31.74%

51.20%

7.17%

17.83%

p = 0.00

-21–30

44.32%

48.82%

38.68%

40.80%

30.94%

52.23%

-31–40

20.27%

8.40%

14.01%

5.60%

21.29%

17.83%

-41–79

15.24%

2.41%

15.56%

2.40%

40.60%

12.10%

Sex

-Male

72.26%

79.04%

75.65%

84.40%

73.42%

69.43%

p = 0.00

-Female

26.74%

20.05%

23.47%

15.60%

25.65%

30.57%

-Transgender

1.00%

0.91%

0.87%

0.93%

Time of First Joint

>60 mins

74.71%

75.94%

83.37%

83.13%

77.39%

75.66%

p = 0.00

<60 mins

25.29%

24.06%

16.63%

16.87%

22.61%

24.34%

Time of Last Joint

-Last Thing before Bed

33.06%

32.53%

26.07%

29.32%

34.98%

37.50%

p = 0.00

-1-2 hours before bed

48.25%

51.24%

48.30%

49.40%

47.73%

50.00%

-3-4 hours before bed

14.08%

13.82%

19.15%

18.07%

14.12%

10.53%

-More than 4 hours before bed

4.61%

2.42%

6.49%

3.21%

3.16%

1.97%

Cannabis Used Per Session (Grams)

Median

0.5

0.5

0.5

0.5

0.5

0.5

p = 0.00

Interquartile Range

0.10–1.00

0.25–1.50

0.10–1.00

0.25–1.50

0.10–1.00

0.1875–1.000

Number of Hours Stoned in a Session

Median

4

5

4

4

4

4

p = 0.00

Interquartile Range

3.00–6.00

3.00–7.00

3.0–6.0

3.0–6.0

3.0–8.0

3.00–8.00

Number of Days Cannabis was Used in the Last Year

Median

250

250

200

240

300

300

p = 0.00

Interquartile Range

36.0–360.0

100.0–350.0

30.0–350.0

75.0–340.0

54.0–365.0

100.0–350.0

Number of Hours Stoned in a Session for those who had their Last Joint Just Before Bed

Median

6

6

5

6

6

6

p = 0.17

Interquartile Range

3–10

4–10

3–10

3–12

3–11

4–12