Table 1

Characteristics of included sources

NumberPercentage (%)
Publication type
 Journal article142.4
 Government document11619.5
 Government websites9816.5
 Media articles28748.3
 Research/Academic reports579.6
 Statistical websites183.0
 Primary sources40.7
Countries with no data for primary outcome2914.9
 Angola
 Barbados
 Belize
 Bolivia
 Cote d'Ivoire
 Djibouti
 Dominica
 Eritrea
 Iraq
 Jordan
 Liechtenstein
 Luxembourg
 Malawi
 Maldives
 Mauritania
 Monaco
 Nicaragua
 North Korea
 North Macedonia (formerly Macedonia)
 Norway
 Oman
 Paraguay
 Qatar
 Slovakia
 Solomon Islands
 Syria
 Tonga
 Turkmenistan
 United Arab Emirates