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Table 2 Ratings of methodological quality by EPHPP tool

From: Effects of behavioural activation on substance use and depression: a systematic review

  Selection bias Study design Confounders Blinding Data collection Withdrawals Global rating
Daughters et al. (2018) [49] Strong Strong Strong Strong Strong Strong Strong
Gonzalez-Roz et al. (2018) [50] Strong Strong Strong Weak Strong Strong Moderate
Busch et al. (2017) [43] Strong Strong Strong Weak Strong Strong Moderate
Delgadillo et al. (2015) [46] Moderate Strong Strong Moderate Strong Weak Moderate
Mimiaga et al. (2012) [48] Strong Moderate Weak Moderate Strong Strong Moderate
MacPherson et al. (2010) [47] Moderate Strong Strong Strong Strong Weak Moderate
Carpenter et al. (2008) [45] Moderate Strong Moderate Moderate Strong Moderate Moderate
Carpenter et al. (2006) [44] Weak Moderate Weak Weak Strong Moderate Weak