In the early generations of nicotine vapor technology, some brands and flavors of e-cigarettes were found to contain diacetyl, particularly those intended to have a buttery or creamy flavor and aroma
So, null hypothesis can be rejected at 5% level of significance, and it can be concluded that, there is an association between smoking cigarettes and family members smoking status
Franks A, Kelder SH, Dino GA, Horn KA, Gortmaker SL, Wiecha JL, et al
Using odor-blocking paint or sealant (as is recommended for smoke damage) falls in this range or higher
Al-GhaithiFYShaikhSQaraniHBMAlashjayRMAlshammariASAlShammariASet alBeliefs and perceptions of negative and positive aspects associated with E-cigarette use in young adults of hail city, northwestern Saudi Arabia