Table 1.

Searching strategies including search arm and terms used in the study.

	Search arm	Search terms
1	E. coli	“Escherichia coli” OR “E. coli”
2	Drug and/or resistance	“antibiotic resistance” OR “drug resistance” OR “drug resistance, microbial” OR “drug resistance, microbial” OR “antibacterial resistance” OR “antibiotic resistance” OR “antimicrobial resistance”
3	Ethiopia	“Ethiopia”

The word “OR” was used to combine search terms within each arm and the word “AND” was used to connect the three search arms (#1 AND #2 AND #3).