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Table 1 Descriptive statistics comparing participants who completed all three assessments (Completers) versus those who were lost to follow-up (Non-completers)

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

   Completers (n = 75) Non-completers (n = 36) p
Genderc Female % 32% 44% .201
Aget Mean 27.0 26.2 .626
SD 7.60 8.37  
Daysm Md 28.0 30.0 .056
min - max 4–30 7–30  
SDSa,m Md 6.0 5.5 .695
min - max 0–13 0–12  
DTCQc Confident % 37% 28% .321
CPQt Mean 7.1 7.3 .689
SD 3.46 3.41  
Reduce vs Quitc Quit % 32% 28% .651
Past quit attempt/sc Yes % 76% 75% .908
RCQc Action % 35% 33% .890
  1. aCompleters, n = 66; Non-completers, n = 32
  2. Note: c indicates Chi-square test; t indicates t-test; m indicates = Mann-Whitney U test