Frequency of cigarette use among U.S. tobacco smoking youth in 2021

Frequency of current use of e-cigarettes; cigarettes; cigars (cigars, cigarillos, or little cigars); chewing tobacco, snuff, or dip; snus; dissolvable tobacco products; pipe tobacco; hookahs; heated tobacco products; and nicotine pouches was determined by asking respondents on how many days they smoked or used each respective tobacco product during the past 30 days. Respondents could enter a valid response of 0–30 days. Responses were recoded as 1–5 days, 6–19 days, and 20–30 days.