E-cigarette and vaporizer use by age
"Which, if any, of the following tobacco or nicotine products do you use on a regular basis? Please select all that apply." (UK adults who selected e-cigarette or vaporizer)
"Which, if any, of the following tobacco or nicotine products do you use on a regular basis? Please select all that apply." (UK adults who selected e-cigarette or vaporizer)
