No.	Search terms	Results
S1	TI (doctor* or physician* or nurse* or clinician* or consultant* or healthcare assistant* or health care assistant* or health care professional* or healthcare professional* or team* or healthcare worker* or health care worker* or (health* N2 personnel) or medical or nursing or staff)	361,447
S2	AB (doctor* or physician* or nurse* or clinician* or consultant* or healthcare assistant* or health care assistant* or health care professional* or healthcare professional* or team* or healthcare worker* or health care worker* or (health* N2 personnel) or medical or nursing or staff)	395,210
S3	TI (ward? or centre or centres or center or centers or department? or unit or units or hospital?)	60,274
S4	AB (ward? or centre or centres or center or centers or department? or unit or units or hospital?)	157,221
S5	TI (long‐term care) OR AB (long‐term care)	12,209
S6	TI (residential N3 (care or healthcare or facilit*))	1,392
S7	AB (residential N3 (care or healthcare or facilit*))	1,948
S8	TI nursing home? OR AB nursing home?	6,966
S9	(MH "Health Personnel+")	342,921
S10	(MH "Health Facilities+")	253,292
S11	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10	1,056,730
S12	(MH "Handwashing")	5,414
S13	TI (handwash* or hand hygiene or handrub* or hand rub*) or AB (handwash* or hand hygiene or handrub* or hand rub*)	2,942
S14	TI (hand* N2 (clean* or decontaminat* or disinfect* or hygiene or hygienic* or saniti* or sterili* or wash*)	2,002
S15	AB (hand* N2 (clean* or decontaminat* or disinfect* or hygiene or hygienic* or saniti* or sterili* or wash*)	2,152
S16	TI (hand* N3 (alcohol* or propanol* or ethanol*))	264
S17	AB (hand* N3 (alcohol* or propanol* or ethanol*))	427
S18	TI (hand* N1 scrub*) or AB (hand* N1 scrub*)	67
S19	(MH "Hand")	4,576
S20	(MH "Sterilization and Disinfection")	6,710
S21	S19 AND S20	29
S22	S12 OR S13 OR S14 OR S15 OR S16 OR S17 OR S18 OR S21	6,702
S23	PT randomized controlled trial	30,693
S24	PT clinical trial	52,806
S25	PT research	986,950
S26	(MH "Randomized Controlled Trials")	28,251
S27	(MH "Clinical Trials")	85,144
S28	(MH "Intervention Trials")	6,071
S29	(MH "Nonrandomized Trials")	179
S30	(MH "Experimental Studies")	15,081
S31	(MH "Pretest‐Posttest Design+")	27,448
S32	(MH "Quasi‐Experimental Studies+")	8,692
S33	(MH "Multicenter Studies")	14,354
S34	(MH "Health Services Research")	7,478
S35	TI ( randomis* or randomiz* or randomly) OR AB ( randomis* or randomiz* or randomly)	114,306
S36	TI (trial or effect* or impact* or intervention* or before N5 after or pre N5 post or ((pretest or "pre test") and (posttest or "post test")) or quasiexperiment* or quasi W0 experiment* or pseudo experiment* or pseudoexperiment* or evaluat* or "time series" or time W0 point* or repeated W0 measur*) OR AB (trial or effect* or impact* or intervention* or before N5 after or pre N5 post or ((pretest or "pre test") and (posttest or "post test")) or quasiexperiment* or quasi W0 experiment* or pseudo experiment* or pseudoexperiment* or evaluat* or "time series" or time W0 point* or repeated W0 measur*)	782,466
S37	S23 OR S24 OR S25 OR S26 OR S27 OR S28 OR S29 OR S30 OR S31 OR S32 OR S33 OR S34 OR S35 OR S36	1,318,672
S38	S11 AND S22 AND S37	2,297
S39	S38 Limiters ‐ Exclude MEDLINE records	576