| Number of studies | Percentage |
---|---|---|
Summary by study region | ||
 Sub-Saharan Africa | 17 | 33% |
 East Asia & Pacific | 16 | 31% |
 Europe & Central Asia | 3 | 6% |
 Latin America & the Caribbean | 1 | 2% |
 Middle East & North Africa | 5 | 10% |
 South Asia | 11 | 21% |
Summary by study settings | ||
 Primary care facilities | 13 | 25% |
 Secondary hospitals | 4 | 8% |
 Tertiary hospitals | 39 | 75% |
 Community | 4 | 8% |
Summary by intervention population | ||
 Physicians only | 25 | 48% |
 Multiple providers | 22 | 42% |
 Users only | 2 | 4% |
 Providers and users | 3 | 6% |
Summary by intervention functions in the Behavior Change Wheel | ||
 Education | 27 | 52% |
 Enablement | 35 | 67% |
 Training | 16 | 31% |
 Environment restructuring | 12 | 23% |
 Persuasion | 4 | 8% |
 Restriction | 31 | 60% |
 Modeling | 1 | 2% |
Summary by the number of intervention functions in the Behavior Change Wheel | ||
 Single component | 11 | 21% |
 Two components | 15 | 29% |
 Three components | 18 | 35% |
 Multiple components | 8 | 15% |
Summary by study design | ||
 Cross-sectional | 15 | 29% |
 Pre-post | 17 | 33% |
 Quasi experimental | 1 | 2% |
 Randomized control trial | 1 | 2% |
 Mixed-methods | 7 | 13% |
 Case-control | 1 | 2% |
 Case study | 1 | 2% |
 Narrative description | 2 | 4% |