PubMed EMBASE Cinahl Search word # Identified/screened # Identified/screened # Identified/screened (title)/ screened screened (title)/ screened (abstract)/eligible (abstract)/eligible (abstract)/eligible Electronic cigarette 1 683/165/26/16 8 296/209 /33/6 15 18/18/1/0 Electrically heated cigarette 2 0/0/0/0 9 0/0/0/0 16 0/0/0/0 E-cigarette 4 127/121/16/1 10 98/91/8/1 17 46/45/2/0 ENDS and cigarette 21/11/0/0 1/1/0/0 3/3/0/0 3 11 18 Electronic nicotine delivery system 5 13/13/3/1 12 19/13/0/0 19 1/1/0/0 Electronic nicotine delivery device 6 5/4/4/0 13 8/8/2/0 20 0/0/0/0 E-liquid 7 6/5/1/0 14 15/6/0/0 21 2/2/0/0 Total number: Identified/screened (title)/ 855/319/51/18 437/328/43/7 70/69/3/0 screened (abstract)/eligible # Search number
PubMed EMBASE Cinahl Search word # Identified/screened (title)/ screened (abstract)/eligible # Identified/screened screened (abstract)/eligible # Identified/screened (title)/ screened (abstract)/eligible Electronic cigarette 1 683/165/26/16 8 296/209 /33/6 15 18/18/1/0 Electrically heated cigarette 2 0/0/0/0 9 0/0/0/0 16 0/0/0/0 E-cigarette 4 127/121/16/1 10 98/91/8/1 17 46/45/2/0 ENDS and cigarette 3 21/11/0/0 11 1/1/0/0 18 3/3/0/0 Electronic nicotine delivery system 5 13/13/3/1 12 19/13/0/0 19 1/1/0/0 Electronic nicotine delivery device 6 5/4/4/0 13 8/8/2/0 20 0/0/0/0 E-liquid 7 6/5/1/0 14 15/6/0/0 21 2/2/0/0 Total number: Identified/screened (title)/ screened (abstract)/eligible 855/319/51/18 437/328/43/7 70/69/3/0 # Search number