DNA methylation in the association between pesticide exposures and type 2 diabetes

Table 1 Search strategy

Stage	Database	MeSH1/explode2		Title, abstract1/abstract, keywords2	Retrieval period
Stage 1	PubMed, EMBASE	“DNA methylation”	AND	“DNA methylations” OR “methylation DNA” OR “methylations DNA” OR “Methylations”	Up to January 2024
		“Pesticides”	AND	“Fungicide” OR “herbicide” OR “insecticide” OR “molluscicide” OR “rodenticide” OR “carbamate” OR “pyrethroid” OR “chlorinated hydrocarbon” OR “agricultural chemical” OR “organochlorine” OR “organophosphorus”
Stage 2		“Diabetes mellitus, type 2”	AND	“Diabetes mellitus noninsulin-dependent” OR “stable diabetes mellitus” OR “diabetes mellitus type ii” OR “diabetes mellitus maturity-onset” OR “maturity-onset diabetes mellitus” OR “diabetes mellitus slow onset” OR “type 2 diabetes mellitus” OR “diabetes mellitus adult-onset”	April 2017 to January 2024

¹Search terms used in PubMed.

²Search terms used in EMBASE.

MeSH: Medical subject headings.