Table 2.

Contingency table: Yelp-determined open/closed status of hookah bars.

	Yelp marked closeda	Yelp marked open
Closed hookah barsb	24	7
Open hookah bars	0	113

^a“Yelp marked closed/open” refers to whether Yelp has marked the hookah bar as open or closed in their database.

^bThe closed/open hookah bar cells reflect the true status based on telephone calls and Internet searches.