Table 4.

Included sources of evidence by country and income level

Reference	Country/countries	Income level*
Altman et al. 2017 [59]	USA	High income
Attanasio et al. 2019 [58]	USA	High income
Bartlett et al. 2014 [64]	58 LMICs	Low income Lower-middle income Upper-middle income
Bernitz et al. 2012 [62]	Norway	High income
Boukhalfa et al. 2024 [39]	Morocco	Lower middle income
Callander et al. 2020 [41]	Australia	High income
Callander et al. 2021 [46]	Australia	High income
Callander et al. 2024a [68]	Bangladesh; Pakistan; Uganda	Low income Lower-middle income
Callander et al. 2024b [40]	Australia	High income
Cicero et al. 2022 [61]	Italy	High income
Fawsitt et al. 2017 [52]	Ireland	High income
Gao et al. 2014 [42]	Australia	High income
Hendrix et al. 2009 [54]	Netherlands	High income
Hitzert et al. 2017 [55]	Netherlands	High income
Hu et al. 2024a [37]	Australia	High income
Hu et al. 2024b [38]	Australia	High income
Isaline et al. 2019 [60]	Belgium	High income
Janssen et al. 2015 [51]	Canada	High income
Kenny et al. 2015 [53]	Ireland	High income
Koto et al. 2019 [48]	Canada	High income
Manasyan et al. 2011 [65]	Zambia	Lower-middle income
Muula et al. 2006 [66]	Malawi	Low income
O'Brien et al. 2010 [49]	Canada	High income
Petrou et al. 2004 [63]	Switzerland	High income
Scarf et al. 2020 [47]	Australia	High income
Schroeder et al. 2012 [56]	UK	High income
Schroeder et al. 2017 [57]	UK	High income
Toohill et al. 2012 [43]	Australia	High income
Tracy et al. 2013 [44]	Australia	High income
Tracy et al. 2014 [45]	Australia	High income
Walters et al. 2015 [50]	Canada	High income
Zainullah et al. 2014 [67]	Afghanistan	Low income

*As defined by the World Bank Group at time of publication [69]