Table. 2. Table 2

Overview of review authors’ assessments of risk-of-bias categories for the included research

Reference	Sequence generation	Allocation concealment	Blinding of participants and personnel	Blinding of outcome assessment	Incomplete outcome data	Selective outcome reporting	Other potential threats to validity
Bazyar et al., 2020	L	U	L	U	L	L	L
Hadi et al., 2020	L	L	L	U	L	L	L
Mombaini et al., 2017	L	L	L	U	L	L	L
Hussain et al., 2017	L	L	U	U	L	L	L
Gutiérrez-Salmeán et al., 2016	L	L	L	U	H	L	H
Borges et al., 2016	L	L	L	U	L	L	H
Nogueira et al., 2017	U	L	L	U	L	L	H
Dower et al., 2015	L	L	L	U	L	L	L
Liu et al., 2014	U	L	L	U	L	L	H
Mielgo-Ayuso et al., 2014	H	L	L	U	L	L	L
Bogdanski et al., 2012	H	U	L	U	L	L	L
Basu et al., 2011	H	H	H	H	H	L	H
Mohammadi et al., 2010	U	U	L	U	L	L	L
Fukino et al., 2008	U	H	H	H	L	L	H
Ryu et al., 2006	U	U	U	U	U	U	U
Fukino et al., 2005	U	H	H	H	U	U	H

L, low risk of bias; U, unclear risk of bias; H, high risk of bias.

Prev Nutr Food Sci 2024;29:106~117 https://doi.org/10.3746/pnf.2024.29.2.106