Table 1 Quality of intervention studies meeting EPOC methodological criteria (Low, High, Unclear)
Author, Date, | Study type | Allocation sequence adequately generated? | Concealment of allocation | Baseline outcome measurement similar | Baseline characteristics similar | Incomplete outcome data adequately addressed | Knowledge of allocated interventions prevented | Protections against contamination | Selective outcome reporting | Free other risk of bias |
|---|---|---|---|---|---|---|---|---|---|---|
Au 2015 [36] | RCT | U | U | L | L | L | L | L | L | L |
Au 2014 [37] | RCT | U | U | L | L | L | L | L | L | H |
Beauchamp (2005) [23] | RCT | U | U | L | L | L | U | L | L | L |
Blom (2015) [28] | RCT | L | L | L | L | L | L | L | L | L |
Brennan (1995) [27] | RCT | U | U | L | U | L | U | L | L | L |
Chang 1999 [44] | RCT | U | U | L | L | H | H | H | L | L |
Connell 2009 [45] | RCT | H | U | L | L | H | U | U | L | H |
Cristancho 2015 [30] | RCT | L | U | L | L | L | H | L | L | H |
Czaja 2013 [53] | RCT | U | U | L | L | L | L | L | L | L |
Davis 2011 [35] | RCT | U | U | H | L | L | L | L | L | L |
Esierdorfer 2003 [49] | RCT | U | U | L | U | L | U | L | L | L |
Finkel 2007 [50] | RCT | U | U | L | L | H | L | L | L | H |
Glueckauf 2007 [41] | RCT | U | U | U | U | H | H | L | L | L |
Goodman 1990 [40] | RCT | U | U | U | L | H | H | U | L | L |
Hicken 2016 [55] | RCT | U | U | H | U | L | U | U | L | H |
Lai 2013 [22] | RCT | U | U | U | H | L | U | U | H | H |
RCT | L | L | L | L | L | L | L | L | H | |
Martindale 2013 [39] | RCT | U | U | L | H | L | U | L | L | L |
Marziali 2006 [47] | RCT | U | U | L | L | H | H | L | H | L |
Marziali 2011 [48] | NRCT | H | H | L | U | L | U | U | L | L |
Nunez 2016 [31] | RCT | L | U | L | H | U | U | L | L | L |
Pagan-Ortiz 2014 [29] | NRCT | H | H | U | U | U | U | U | L | H |
Steffen 2016 [54] | RCT | L | U | L | L | L | U | L | L | L |
Torkamani 2014 [26] | RCT | U | U | L | L | H | U | L | L | L |
Tremont 2008 [32] | RCT | L | U | L | L | H | L | L | L | L |
Tremont 2015 [46] | RCT | L | L | L | L | L | L | L | L | L |
van de Roest 2010 [24] | NRCT | H | H | L | H | L | H | L | L | H |
Van Mierlo 2012 [38] | NRCT | H | H | L | L | U | H | H | L | L |
Van Mierlo 2015 [25] | CRCT | L | L | L | H | L | U | L | L | L |
Wilz 2011 [42] | RCT | L | L | L | H | L | L | L | H | L |
Wilz 2016 [43] | RCT | L | L | L | H | L | L | L | H | L |
Winter 2007 [24] | RCT | U | U | L | H | U | U | U | L | L |
Wray 2010 [34] | RCT | U | U | L | L | L | U | L | L | L |