Table 1

Summary of characteristics of included studies (n=157)

Geographic region *†	n
Sub-Saharan Africa	65
Middle East and North Africa	36
Europe and Central Asia	26
South Asia	20
East Asia and Pacific	10
Latin America and the Caribbean	2
Publication type	n
Observational study	57
Non-research report	53
Randomised controlled trial	29
Non-randomised controlled trial	10
Qualitative study	7
Mixed methods	1
Target population type†	n
All/general population	77
Adolescents (10–19 years)	59
Children (13 months–9 years)	39
All women	26
Displacement status of beneficiary population†	n
Refugees	63
IDPs	56
Unreported	47
Non-displaced	16
Host	5
Setting of displaced populations	n
Unreported	69
Camp	45
Mixed	22
Dispersed	21