In statistics, controlling for a variable is the attempt to reduce the effect of confounding variables on an observational study. It means that when looking at the effect of one variable, all other variable predictors are held constant.n statistics, controlling for a variable is the attempt to reduce the effect of confounding variables on an observational study. It means that when looking at the effect of one variable, all other variable predictors are held constant.
100,000 people a year die from alcohol abuse in the U.S. each year, 1,000,000 in ten years. 14 million, or one in 13 adults in the U.S. suffer from alcoholism at any given time. 25% of urban hospital beds are taken up by severe damage from the use of alcohol.
How Many people die each year in the world from driving drunk? The total number can be only estimated but it surely is in range of millions and only going to increase, as the total population increases and also some huge Eastern countries like China and India increase their pace to motorization.