Table 1.

Results of the textual thematic analysis.

Themes	Aggregated clusters (n=12), n (%)	Posts (n=10,990), n (%)	Indicators (words or hashtags)
General vape (including components, eg, coil, cartridges, and pod, as well as use, eg, blinker)	4 (33.33)	2741 (19.58)	vapetricks, cigarroeletronico, pod, vapelife, smoke, vapeo, vapor, vapemod, vapers, coil, vapepen, vapersontiktok, nicotine, know, funny, smoke, y’all, relatable, stop, vapeporn, vapefamily, wonderwaterdrip, girlvaper, vapersontiktok, carts, blinkersonlyfoo, fakecarts, blinkereyes
Vaping cessation	1 (8.33)	1272 (9.08)	vapelife, vapingislife, quit, addiction, quitvaping, health, vaping is bad, stop, stopvaping
Vape product marketing (including flavors)	1 (8.33)	1160 (8.28)	ultimatejuice, flavour, liquid, ultimatepuff, premiumliquid, eliquidshop
TikTok influencer (includes skate, gamer, vape, and other influencers)	3 (25)	3775 (26.96)	skateboarding, skater, nintendo, vapetiktoker, game, nintendo, retro, xbox, retrogrames, videogames, sega, console, games, gaming, thevideogamecollector, kingtinotazo (specific influencer)
Vape brands	3 (25)	2042 (14.58)	elf, geekbar, elfbars, pods, fresh mary, whereismymary, spookymary, scarymary, lostmarybm600 Juulgang, juullife, juulchallenge, juuling, juulsquad, mint, mango