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Table 2 Quality rating criteria met by each study using the Cochrane Effective Practice and Organisation of Care (EPOC) guidelines

From: Technology-based interventions for tobacco and other drug use in university and college students: a systematic review and meta-analysis

Study author and year Allocation sequence Allocation concealment Baseline measurements - participants Baseline characteristics - providers Incomplete data addressed Knowledge of allocation Contamination protected Selective outcome reporting Free of other bias
Smoking tobacco (n = 8)
Haug et al. (2009) [63]
Travis & Lawrance (2009) [52]*
O’Neill et al. (2000) [64]*
An et al. (2008) [60]*
Dijkstra (2005) [61]
Abroms et al. (2008) [59]*
Dijkstra & Ballast (2012) [62]
Prokhorov et al. (2008) [65]*
Spit tobacco (n = 1)
Masouredis (1997) [66]*
Marijuana (n = 2)
Lee (2010) [68]
Elliott (2012) [67]
Stress, marijuana, alcohol, and tobacco (n = 1)
Moore et al. (2012) [69]
  1. Note: *Studies included in the meta-analysis; = No control group (randomized trial).
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