Several observational studies included in our meta-analysis adjusted for potential confounding factors, either by matching controls to cases on characteristics of interest (e.g., birth year and gender) 25, 32 , or by adjusting their statistical analysis for potential confounds (e.g., parental age, parental education, parental occupational class, family income, maternal origin of birth, and Apgar score) 18, 41
Liquid solvents are also huffed from their container
The line below reflects the life time cost to a smoker in Arizona and the full table is available at It is no Surprise that the state withe the lowest annual cost is Kentucky while the lowest life time cost belongs to North Dakota
and likelihood ratio test for nested models, Supplementary Fig
When the Skagit County Historical Museum decided to mount the exhibition, an opportunity was created for us all to deepen our understanding
In December 2019, the United States adopted a law raising the federal minimum age of sale of all tobacco products to 21, effective immediately