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Table 5 Raw outcome means for each group at each measurement occasion

From: Universal cannabis outcomes from the Climate and Preventure (CAP) study: a cluster randomised controlled trial

Outcome

Time

Control

Climate

CAP

Cannabis knowledge score [Mean (SD)]

Baseline

6.85 (3.86)

6.45 (3.97)

7.16 (4.03)

6 months

7.14 (3.99)

9.95 (4.44)

11.05 (4.07)

12 months

7.66 (3.98)

9.29 (4.43)

9.99 (4.27)

24 months

8.33 (4.09)

9.24 (4.14)

9.92 (4.16)

36 months

9.06 (3.92)

10.04 (3.83)

9.97 (4.44)

Cannabis usage, past 6 months [N (%)]

Baseline

32 (6.1)

32 (5.6)

38 (6.3)

6 months

37 (8.5)

50 (12.3)

43 (10.5)

12 months

49 (10.6)

40 (8.5)

51 (10.9)

24 months

38 (8.8)

40 (9.2)

44 (9.3)

36 months

42 (10.8)

42 (11.8)

48 (11.8)

Any harms from cannabis, past 6 months [N (%)]

Baseline

14 (2.7)

15 (2.7)

25 (4.2)

6 months

7 (1.6)

17 (4.2)

26 (6.4)

12 months

15 (3.2)

13 (2.7)

23 (4.9)

24 months

9 (2.1)

18 (4.1)

20 (4.2)

36 months

22 (5.7)

21 (5.9)

25 (6.1)

  1. Cannabis knowledge scores are between 0 and 16, with higher scores reflecting better knowledge about cannabis