Systematic review of performance-enhancing health worker supervision approaches in low- and middle-income countries

Table 1 Enhanced supervision search results disaggregated by database

Database	Initial search results	After removing repeats	Related to health (for multi-disciplinary databases)	Since 2010	In English	Further search using database filters	Relevance of title & abstract
Cochrane Database of systematic reviews	313	309	281	226	226	226	3
Global Health: Science & Practice journal	312	144	33	27	27	27	32
GlobalHealth & PubMed	222	222	170	103	103	103	33
Health Care Provider Performance Review (HCPPR)^b	118	118	12	3	3	3	3
Health Systems Evidence	543	531	156	287	287	287	1
Healthcare Management Information Consortium (HMIC)^a	0	0	0	0	0	0	0
HRH Global Resource Centre^a	94	94	15	79	79	79	6
mHealth Compendium Databases^a	80	16	16	16	16	16	4
Popline	49,873	49,873	118	118	118	118	3
References from Bailey et al. [6]^a	10	10	10	10	10	10	10
ResearchGate	133	132	132	110	108	108	8
The Lancet	40	36	13	9	9	9	4
USAID DEC	15,488	15,439	4052	2972	2972	364	20
WHO COVID Database^b	54	51	1	0	0	0	0
WHO Global Health Library^a	613	383	383	362	362	362	0
Total	67,893	67,358	5392	4322	4320	1712	127

^aRetired or unavailable databases that were only part of the first-round search in June 2018
^bNew databases that were only part of the second-round search in October 2020

ISSN: 1478-4491