Table 1

General information of the sample of 66 cigarette-related videos and 61 hookah-related videos

General information	Cigarette-related videos	Hookah-related videos	p Value^*
General information	Median (IQR)	Median (IQR)	p Value^*
Length of video in seconds	150 (83–224)	92 (62–325)	0.47
Number of views	606 884 (63 726–1 408 240)	102 307 (48 452–255 222)	<0.001
Number of comments per 1000 views	1.6 (0.6–3.2)	2.5 (1.4–3.6)	0.003
Number of ‘like’ designations per 100 reactions^†	91 (73–96)	87 (73–93)	0.39

↵* The Mann–Whitney U non-parametric rank-sum significance test was used.
↵† Reactions in this context include ‘like’ and ‘dislike’. Thus, the median cigarette-related video had 91 ‘like’ for every nine ‘dislike’ designations, while the median hookah-related video had 87 ‘like’ for every 13 ‘dislike’ designations.