Table 3.

Quality index of included studies (Modified from Ferro & Speechley, 2009)

Author (year)	Hypothesis Clearly Described	Main outcomes clearly described	Characteristics of participants described	Main findings clearly described	Estimates of Random Variability	Actual Probability Values Used	Response Rate Clearly Described	Participants Representative of Population	Final Sample Representative of Population	Statistical Tests Appropriate	DE, P, BIC measures valid/reliable	S/R measures valid/reliable	Adjustment for Confounding	SampleSize or Power Calculation	Total Index Score
Boisvert et al. (2013) [38]	1	1	1	1	1	0	0	1	0	1	0	0	1	0	8
Boisvert et al. (2012) [37]	1	1	1	1	1	0	0	1	0	1	0	0	1	0	8
Boyatzis et al. (2007) [25]	1	1	1	1	1	1	0	0	0	1	1	1	1	0	10
Boyatzis et al. (2006) [35]	1	1	1	1	1	0	1	1	0	1	1	1	0	0	10
Buser et al. (2013) [47]	1	1	1	1	1	1	1	1	0	1	1	1	1	1	13
Feinson et al. (2012) [41]	1	1	1	1	1	0	0	1	0	1	1	0	1	0	9
Forthun et al. (2003) [29]	1	1	1	1	1	0	0	0	0	1	1	1	1	0	9
Gates et al. (2009) [36]	1	1	1	1	1	0	0	0	0	1	1	1	0	0	8
Gluck et al. (2002) [39]	1	1	1	1	1	1	0	0	0	1	1	0	1	0	9
Hayman et al. (2007)[46]	1	1	1	1	1	1	1	0	0	1	1	1	0	0	10
Homan et al. (2013) [45]	1	1	1	1	1	1	0	0	0	1	1	1	1	0	10
Homan et al. (2010) [28]	1	1	1	1	1	0	0	0	0	1	1	1	1	0	9
Inman et al. (2014) [26]	1	1	1	1	1	1	0	0	0	1	1	1	1	0	10
Inman (2014) [27]	1	1	1	1	1	1	0	0	0	1	1	1	1	0	10
Jacobs-Pilipski et al. (2005) [33]	1	1	1	1	1	1	0	0	0	1	1	1	0	0	9
Kim (2006) [20]	1	1	1	1	1	0	1	1	0	1	1	1	1	0	11
Latzer et al. (2014) [43]	1	1	1	1	1	0	0	0	0	1	1	1	1	0	9
Latzer et al. (2007) [40]	1	1	1	1	1	0	0	1	1	1	1	0	1	0	10
Mahoney et al. (2005) [31]	1	1	1	1	1	0	0	0	0	1	1	1	1	0	9
Pinhas et al. (2008) [42]	1	1	1	1	1	1	0	0	0	1	1	0	1	0	9
Watkins et al. (2006) [32]	1	1	1	1	1	1	1	1	0	1	1	1	0	0	11
Weinberger-Litman et al. (2008) [44]	1	1	1	1	1	1	0	0	0	1	1	1	1	0	10