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Table 1 Key socio-demographic and cannabis use characteristics of baseline, completer and lost-to-follow-up samples, by intervention group

From: 12-month follow-up of an exploratory ‘brief intervention’ for high-frequency cannabis users among Canadian university students

Sample Intervention Group   Age Years of University Years of Cannabis Use Sex
N Mean (sd) Mean (sd) Mean (sd) %Male
Baseline Sample All 134 20.4 (2.4) 2.5 (1.6) 5.5 (2.7) 67.2 %
Cannabis BI 72 20.3 (2.4) 2.4 (1.7) 5.5 (2.8) 65.3 %
Health BI 62 20.6 (2.5) 2.6 (1.5) 5.6 (2.6) 69.4 %
Completer (baseline, FU-3 and FU-12) Sample All 72 20.3 (2.2) 2.5 (1.4) 5.7 (2.8) 68.1 %
Cannabis BI 40 20.1 (2.1) 2.3 (1.5) 5.9 (3.0) 67.5 %
Health BI 32 20.6 (2.3) 2.7 (1.3) 5.5 (2.6) 68.8 %
Lost-to-Follow-up Sample All 62 20.6 (2.7) 2.5 (1.7) 5.3 (2.6) 66.1 %
Cannabis BI 32 20.5 (2.7) 2.6 (1.8) 5.0 (2.4) 62.5 %
  Health BI 30 20.6 (2.7) 2.5 (1.6) 5.7 (2.7) 70.0 %