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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Neurosci Biobehav Rev. 2018 Nov 22;99:160–197. doi: 10.1016/j.neubiorev.2018.11.010

Table A.3.

Assessment of Human Trial Quality: Quality Index*.

Reference 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Totala
Infant/Child
(Rinne et al., 2006) 1 1 1 1 0 1 1 0 0 1 1 0 1 1 1 0 0 1 0 1 1 0 1 1 0 0 16
(Indrio et al., 2014) 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 0 1 0 1 1 1 1 1 0 0 20
(Cekola et al., 2015) 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 22
(Sung et al., 2014) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 24
(Weizman and Alsheikh, 2006) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 0 1 22
(Akar et al., 2017) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 0 22
(Ringel-Kulka et al., 2015) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 23
Older Adult
(Ostlund-Lagerstrom et al., 2016) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 24
(Benton et al., 2007) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 20
(Chung et al., 2014) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 20
(Pellino et al., 2013) 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 1 21
(Akbari et al., 2016) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 22
Young/Middle-Aged Adult
(Kato-Kataoka et al., 2016) 1 1 1 1 0 1 1 0 1 1 0 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 18
(Takada et al., 2016) 1 1 1 1 0 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 0 0 20
(Takada et al., 2017) 1 1 1 1 0 1 1 0 1 0 0 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 17
(Rao et al., 2009) 1 1 1 1 0 1 0 1 1 0 1 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 18
(Reale et al., 2012) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 20
(Bajaj et al., 2014) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 23
(Kelly et al., 2017) 1 1 1 1 0 1 1 0 0 1 1 1 1 1 0 0 1 1 0 1 1 1 1 0 0 0 17
(Sanchez et al., 2017) 1 1 1 1 0 1 1 0 0 1 0 0 1 1 1 1 1 1 0 1 1 1 1 1 0 1 19
(Michalickova et al., 2016) 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 22
(Culpepper et al., 2016; Langkamp-Henken et al., 2015) 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 24
(Slykerman et al., 2017) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 23
(Childs et al., 2014) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 23
(Choi et al., 2011) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 0 0 21
(Lorenzo-Zuniga et al., 2014) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 23
(Lyra et al., 2016) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 23
(Spiller et al., 2016) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 24
(Dapoigny et al., 2012) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 24
(Nishihira et al., 2014) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 20
(Nobutani et al., 2017) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 19
(Pinto-Sanchez et al., 2017) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 23
(Yang et al., 2016b) 1 1 1 1 0 1 1 0 0 0 0 1 1 1 0 0 1 0 0 1 1 1 1 0 0 1 15
(Fujimori et al., 2009) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 21
(Steenbergen et al., 2015) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 20
(Moller et al., 2017) 1 1 1 1 0 1 1 0 1 1 0 1 1 1 1 0 1 0 0 1 1 1 1 1 0 0 18
(Tillisch et al., 2013) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 21
(Mohammadi et al., 2016) 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 0 0 21
(Messaoudi et al., 2011a; Messaoudi et al., 2011b) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 21
(Diop et al., 2008) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 0 0 1 1 1 1 1 0 1 21
(Romijn et al., 2017) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 23
(Akkasheh et al., 2016) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 23
(Dickerson et al., 2014; Severance et al., 2017; Tomasik et al., 2015) 1 1 1 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 0 0 1 20
(De Lorenzo et al., 2017) 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 0 0 21
(Kouchaki et al., 2016) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 22
(Feher et al., 2014) 1 1 1 1 0 1 1 1 0 1 0 1 1 1 0 1 1 0 0 1 1 1 1 0 0 0 17
(Lee et al., 2014) 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 0 0 20
(Malaguarnera et al., 2010) 1 1 1 1 0 1 1 1 0 0 1 1 1 1 1 0 1 0 1 1 1 1 1 1 0 0 19
*

As reported by Downs and Black (1998).

a

Mean total score = 20.8 (SD 2.3). Interquartile range 18-24.