Table 1

Risk of bias assessment of articles included in the systematic review

No of articlesGlobal health field(s) studiedOutcomesStudy design limitationsInconsistencyIndirectnessImprecisionPublication biasQuality
Conference reports
20HIV/AIDS,14 Health Systems Research,2 Nutrition,1 Oncology,1 Mental Health1BarriersYesYesYesYesUnclearVery low
FacilitatorsYesYesYesYesUnclearVery low
Retrospective studies
9Emergency medicine/critical care,1 haematology,1 infectious diseases,1 health systems research,1 oncology,1 tobacco control,1 global health2BarriersYesYesYesnoUnclearVery low
FacilitatorsYesNoYesnoUnclearVery low
Opinion pieces
7HIV/AIDS,1 gender equity,1 health systems research,1 infectious diseases,1 global health3BarriersYesYesYesYesYesVery low
FacilitatorsYesYesYesYesYesVery low
Descriptive studies
4Oncology,1 HIV/AIDS,2 rural health1BarriersYesYesYesYesYesVery low
FacilitatorsYesYesYesYesYesVery low
Abstracts
3Haematology,1 oncology,1 infectious diseases1BarriersYesYesYesYesUnclearVery low
Facilitators
Scientific letter
1Global surgery1BarriersYesYesYesVery low
FacilitatorsYesYesYesVery low
Mixed-methods study
1Health systems research1BarriersYesYesYesVery low
FacilitatorsYesYesYesVery low
Newsletter
1HIV/AIDS1BarriersYesNoYesVery low
FacilitatorsYesYesYesVery low
  • - = Not assessed.