Table 1. Example of searches for the MEDLINE/ PubMed and Google Scholar databases to assess the prevalence and determinants of diarrhea among under-five children in Ethiopia.

Databases	Searching terms	Number of studies
Google scholar	"prevalence" and "determinants" or "associated factors " and "children" or "under-five" and "diarrhea" or "diarrhoea" and "Ethiopia"-Adults	124
MEDLINE/ PubMed	("epidemiology"[Subheading] OR "epidemiology"[All Fields] OR "prevalence"[All Fields] OR "prevalence"[MeSH Terms]) AND ("diarrhoea"[All Fields] OR "diarrhea"[MeSH Terms] OR "diarrhea"[All Fields]) AND under-five[All Fields] AND ("child"[MeSH Terms] OR "child"[All Fields] OR "children"[All Fields]) AND ("ethiopia"[MeSH Terms] OR "ethiopia"[All Fields])	43
From other databases		368
Total retrieved articles		535
Final full text relevant to our review		31