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Wednesday, August 23, 2006

Comments

Can you haelp me to understand why the percentages do not add up to 100%?

Thank you,
Bridget

Dear Bridget,

Thank you for commenting on the BASIS and for your interest in The DRAM 2(7) – Early Onset Drinking and the Development of Alcohol Dependence: A Fresh Look.

You observed that the percentage of participants who ever drank did not add up to 100%; in fact, as displayed it adds up to 101%. This table was adapted from Hingson, et al 2006 and the BASIS Staff reported the percentages according to the published article. The reason the percentages add up to 101% is because the researchers who conducted this study rounded the percentages to a whole number. For example, the percentage of participants who started drinking at age 14 who ever drank is 3.56%, but is rounded and reported as 4%. The actual percentages total 100%.

Again, thank you for your interest in the BASIS and for your comments. We always appreciate reader feedback, questions, and comments.

--The BASIS Staff

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