Nearly one out of every six American homes had wireless-only telephone service- and no land line- during the second half of 2007, says the National Center for Heath Statistics. Another finding: More than one of its phone calls wirelessly’ despite the fact that those homes had landlines.
Households of younger people, renters ( rather than owners), and people with lower incomes were more likely to be wireless-only households. Hispanics and African-Americans were more likely than non-Hispanic white adults to live in wireless-only households as well.
Why is this information important? Scientist and statisticians are worried that studies of all kinds will be biased because they are almost exclusively done by landline connections.
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