Known confounders will be included in the linear models, and other covariates will be included if their individual bivariate associations with both the group variable and outcome are significant at a 10% level
A more than 2,000% increase in the federal tax on roll-your-own tobacco and small cigars has led consumers to roll lower-taxed pipe tobacco and smoke lower-taxed big cigars instead, according to a report released today by Congress Government Accountability Office
Another observation from our study, indicating that males were significantly more likely to smoke tobacco than females, is consistent with previous studies (19, 20)
However, they are all relatively fragile in the sense that they easily suffer from burning
Fire sprinklers play a crucial role in enhancing fire safety
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