| Question text: | [C15] Do you now use an e-cigarette every day, some days, or not at all? | [J7] Do you now use an e-cigarette every day, some days, or not at all? | [J5] Do you now use an e-cigarette every day, some days, or not at all? | [K7] Do you now use an e-cigarette every day, some days, or not at all? | [L5] Do you now use an e-cigarette every day, some days, or not at all? | [N8] Do you now use an e-cigarette every day, some days, or not at all? | 
                        
                            | Who was asked: | Participants who have ever used an e-cigarette, even one or two times. | Participants who have ever used an e-cigarette, even one or two times. | Participants who have ever used an e-cigarette, even one or two times. | Participants who have ever used an e-cigarette, even one or two times. | Participants who have ever used an e-cigarette, even one or two times. | Participants who have ever used an e-cigarette | 
                        
                            | Question source: | Original to HINTS-FDA, Cycle 2 | Original to HINTS-FDA, Cycle 2 | Original to HINTS-FDA, Cycle 2 | Original to HINTS-FDA, Cycle 2 | Original to HINTS-FDA, Cycle 2 | Original to HINTS-FDA, Cycle 2 |