Fig. 1
From: Knowledge and attitudes towards E-cigarette use in Lebanon and their associated factors

Frequency distribution of: (a) Types of smoking (Hookah or waterpipe: “a smoking device that consists of a bowl mounted on a vessel of water which is provided with a long tube and arranged so that smoke is drawn through the water where it is cooled and up the tube to the mouth” [38]. Dokha: is tobacco blended with “barks, herbs, spices, dried flowers or dried fruit” and smoked in a particular pipe called “midwakh”. It has a high nicotine content, around five times that of a normal cigarette [39]. Pipe: “a device for smoking usually consisting of a tube having a bowl at one end and a mouthpiece at the other” [39]) used by the participants with N = 260 total count for this subcategory, (b) Smoking cessation methods among participants who have quit or are in the process of quitting smoking with N = 91 total count for this subcategory, (c) E-cigarette flavors used by the E-cigarette smokers among participants with N = 59 total count for this subcategory