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

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

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]	✓	▪	▪	▪	✓	▪	✓	✓	✓

Note: *Studies included in the meta-analysis; ^†= No control group (randomized trial).

ISSN: 1940-0640