Table 2 Change between Screener and Baseline among those Screened Out

Change in Total ASSIST Scores

 Baseline total score < 4

16 (2.6)

 Difference total score of more than ± 10 points

71 (11.3)

 Any change in total score

86 (13.7)

Change in ASSIST Item Answers

 3 “strong desire or urge to use”

128 (20.4)

 4 use “led to health, social, legal, or financial problems”

215 (34.3)

 5 “failed to do what was normally expected because of your use”

209 (33.4)

 6 “friend or relative or anyone else ever expressed concern”

151 (24.1)

 7 “ever tried to control, cut down or stop using”

177 (28.3)

 Any change to ASSIST answers

613 (97.9)

Change in Report of Using Cannabis

 Baseline ASSIST Item 2—Did you use marijuana, cannabis or hashish?

6 (1.0)

 Which of the following best captures your pattern of cannabis throughout the week?

14 (2.2)

 How many times a day, on a typical weekday/weekend do you use cannabis?

13 (2.1)

 How many hours after waking up do you typically first use cannabis?

15 (2.4)

 Any change to “never” use

20 (3.2)