[Note: on the NHIS website choose current cigarette use or current electronic cigarette use under health behaviors in 'Select topic'.]

Current cigarette smoking is defined as report of smoking at least 100 cigarettes in a lifetime and now smoking every day or some days. Current electronic cigarette use is defined as report of use of an electronic cigarette or other electronic vaping product (even just once in a lifetime) and current use every day or some days. More information on the questions and variables used for this measure can be found in their adult codebook.