Re: “Low child obesity rate in Oregon a mystery” (TNT, 5-4).
The article contains a contradiction that demands an explanation. It states that a child is defined to be obese if he or she is in the 95th percentile (for body mass index). This means that the top 5 percent of the indicated population would be classified as obese.
The article goes on to state that 16 percent of the children in the U.S. are obese. It is mathematically impossible to have 16 percent of a population in the top 5 percent on any criterion. It would be like Lake …