Independent T-tests were used for continuous variables (e.g., hemoglobin, cholesterol, blood pressure), assuming normality and homogeneity of variance, while Chi-square tests were applied to categorical attributes (e.g., dental caries, urine protein levels), assuming independence of observations
PM repatriates about $10 billion in profits to the US from global sales
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Daily activities slowly shift to fit regular time slots needed for smoking
Amid the Food and Drug Administrations proposal to ban menthol cigarettes in the United States, the new analysis by Samuel Asare, principal scientist in tobacco control research at the American Cancer Society, et al