Table 2.

Quality evaluation of studies included in the meta-analysis

Study (first author, publication year)	Clear study aims	Adequate sample size (or justification)	Representative sample (with justification)	Clear inclusion and exclusion criteria	Measure of mental health valid and reliable	Response rate reported and losses reported	Adequate description of data	Appropriate statistical analysis	Appropriate informed consent procedure	Total score
Aaron et al. 2015 [36]	1	1	0	1	1	0	1	1	1	7
Bonacquisti et al. 2014 [25]	1	1	0	1	1	0	1	1	0	6
Chersich et al. 2008 [37]	1	1	0	1	1	1	1	1	0	7
Chibanda et al. 2014 [38]	1	0	1	1	1	0	1	1	1	7
Collin et al. 2006 [26]	1	0	0	1	1	1	1	1	1	7
Cyimana et al. 2010 [39]	1	1	1	0	1	0	1	1	1	7
Dow et al. 2014 [40]	1	0	0	0	1	1	1	1	1	6
Malqvist et al. 2016 [27]	1	1	0	1	1	1	1	1	1	8
Manikkam and Burns 2012 [28]	1	1	0	1	1	1	1	1	1	8
Manongi et al. 2017 [29]	1	1	0	1	1	0	1	1	0	6
Mokhele et al. 2019 [41]	1	1	0	1	1	1	1	1	1	8
Natamba et al. 2014 [30]	1	0	0	1	1	1	1	1	1	7
Nydoo et al. 2017 [20]	1	0	0	1	1	0	1	1	1	6
Okronipa et al. 2012 [42]	1	1	0	1	1	1	1	1	1	8
Osok et al. 2018 [21]	1	1	0	0	1	0	1	1	1	6
Rochat et al. 2011 [31]	1	0	0	1	1	1	1	1	1	7
Rubin et al. 2011 [32]	1	0	0	1	1	0	1	1	1	6
Stewart et al. 2008 [43]	1	1	0	1	1	1	1	1	0	7
Stranix-Chibanda et al. 2005 [33]	1	0	0	1	1	1	1	1	0	6
Thomas et al. 2017 [34]	1	1	0	1	1	0	1	1	1	7
Tomlinson et al. 2018 [35]	1	1	1	1	1	1	1	1	1	9