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Table 3 Cannabis use measures across study assessment points

From: A smartphone app intervention for adult cannabis users wanting to quit or reduce their use: a pilot evaluation

   Baseline (111) Post (93) Follow-up (75)
Days Md 29 21 20
Range 4–30 0–30 0–30
DTCQ (%) Md 40% 50% 48%
Range 0–100% 0–93% 0–100%
CPQ M 7.1 4.8 5.0
sem .33 .39 .50
SDSa Md 6 4 3
Range 0–13 0–14 0–14
  1. SDS Severity of Dependence, CPQ Cannabis Problems Questionnaire, DTCQ Drug Taking Confidence Questionnaire, Days (cannabis use days in past month)
  2. a Ns = 98/93/75