Table 2 Bias assessment of each study
From: Step counter use in type 2 diabetes: a meta-analysis of randomized controlled trials
Author, year | Random sequence generation | Allocation concealment | Blinding of participants and personnel | Blinding of outcome assessment | Incomplete outcome data addressed | Selective reporting |
|---|---|---|---|---|---|---|
De Greef et al. 2011-1 [24] | Low | Low | Low | Low | Low | Low |
De Greef et al. 2010 [25] | Low | Low | Low | Low | Low | Low |
Tudor-Locke et al. 2004 [26] | Unclear | Unclear | Low | Low | High | Low |
Piette et al. 2011 [27] | Low | Low | Low | Low | High | Low |
De Greef et al. 2011-2 [28] | Unclear | Unclear | Low | Low | Low | Low |
Kirk et al. 2009 [29] | Low | Low | Low | Low | Low | Low |
Plotnikoff et al. 2013 [30] | Low | Low | Low | Low | High | Low |
Engel et al. 2006 [31] | Unclear | Unclear | Low | Low | High | Low |
Bjørgaas et al. 2008 [18] | Unclear | Unclear | Low | Low | High | Low |
Andrews et al. 2011 [32] | Low | Low | Low | Low | Low | Low |
Diedrich et al. 2010 [33] | Unclear | Unclear | Low | Low | High | Low |