Table 1.

Systematic review search terms

Database	Search terms	Articles yielded
PubMed	((HIV[Mesh]) AND (("Residence Characteristics"[Mesh] OR neighborhood*[tiab] OR community[tiab] OR communities[tiab] OR zipcode[tiab] OR "zip code" OR "census tract" OR "Cities"[Mesh] OR "city"[tiab] OR "Social Environment"[Mesh]))) AND ("Unsafe Sex"[Mesh] OR "Risk Factors"[Mesh] OR "Risk"[Mesh] OR "Substance-Related Disorders"[Mesh] OR "substance use" OR "drug use" OR "Behavior"[Mesh] OR “Condoms”[Mesh] OR “condom use"[tiab] OR “housing instability” OR “unstable housing” OR eviction OR evicted OR "housing insecurity" OR "insecure housing" OR (“sexual partners” AND (concurren* OR overlap*)))	411
PsycINFO	mjsub(HIV) AND (mjsub("residence characteristics") OR ti(neighborhood) OR ab(neighborhood) OR mjsub("neighborhoods") OR mjsub("communities") OR ti(zipcode*) OR ab(zipcode*) OR ti("zip code") OR ab("zip code") OR ab("census tract") OR mjsub("social environment")) AND (mjsub("unsafe sex") OR mjsub("risk factors") OR mjsub("substance-related disorders") OR (ti("substance use") OR ti("drug use")) OR mjsub(behavior) OR mjsub(condoms) OR (ti("condom use") OR ab("condom use")) OR (ti("housing instability") OR ti("unstable housing") OR ti("housing insecurity") OR ti("insecure housing")) OR (mjsub("sexual partners") AND (concurren* OR overlap*)))	379
Soc Abstracts	su(HIV) AND (su("residence characteristics") OR ti(neighborhood) OR ab(neighborhood) OR su("neighborhoods") OR su("communities") OR ti(zipcode*) OR ab(zipcode*) OR ti("zip code") OR ab("zip code") OR ab("census tract") OR su("social environment")) AND (su("unsafe sex") OR su("risk factors") OR su("substance-related disorders") OR (ti("substance use") OR ti("drug use")) OR su(behavior) OR su(condoms) OR (ti("condom use") OR ab("condom use")) OR (ti("housing instability") OR ti("unstable housing") OR ti("housing insecurity") OR ti("insecure housing")) OR (su("sexual partners") AND (concurren* OR overlap*)))	42
Social Sciences Citation Index (SCCI)	(TS = HIV) AND (TS = “residence characteristics” OR ti = neighborhood OR TS = "neighborhoods" OR TS = “communities” OR TI = zipcode* OR TI = "zip code" OR TI = “census tract” OR TS = “social environment”) AND (TS = “unsafe sex” OR TS = “risk factors” OR TS = “substance-related disorders” OR TI = “substance use” OR TI = “drug use” OR TS = behavior OR TS = condoms OR TS = “condom use” OR TI = “condom use” OR TI = “housing instability” OR TI = “unstable housing” OR TI = “housing insecurity” OR TI = “insecure housing” OR TI = “concurrent sexual partners”)	791
CINAHL	(MH “Human Immunodeficiency Virus+”) AND (MH “Social Environment+” OR City OR Cities OR MH “Urban Areas” OR “census tract” OR zipcode OR “zip code” OR community OR communities OR neighborhood* OR MH “Residence Characteristics+”) AND ((“sexual partners” AND (concurren* OR overlap*)) OR “housing insecurity” OR “insecure housing” OR eviction OR evicted OR “housing instability” OR “Unstable housing” OR “condom use” OR MH “Condoms+” OR MH “Behavior+” OR “substance use” OR “drug use” OR MH “Substance Use Disorders+” OR “risk” OR MH “Risk Factors+” OR MH “Unsafe Sex”)	91
Medline	(exp HIV/ AND (exp Social Environment/ OR exp Cities/ OR neighborhood.mp. OR neighborhoods.mp. OR community.mp. OR communities.mp. OR zipcode.mp. OR zip code.mp. OR census tract.mp. OR city.mp.) AND (exp Unsafe Sex/ OR exp Risk Factors/ OR exp Risk/ OR exp Substance-Related Disorders/ OR "substance use".mp. OR drug use".mp. OR exp Behavior/ OR exp Condoms/ OR "condom use".mp. OR housing instability.mp. OR unstable housing.mp. OR housing insecurity.mp. OR insecure housing.mp. OR eviction.mp. OR evicted.mp. OR ((sexual partners.mp. or exp Sexual Partners/) AND (concurren* or overlap*).mp))	515
Total		2229

Several of the electronic databases had specific search methods (e.g., PubMed uses Medical Subject Heading [MeSH] terms) while some other databases do not, thus the search strategy was modified according to the parameters for each database