I have been watching the trend toward cell phone only households for some time. In fact, an article about this appeared in our newsletter about a year ago. If you are interested, the link is http://www.cooper-roberts.com/newsletters/Q108_Newsletter.htm#1. This trend can have a significant impact on the representation of telephone surveys. It is one reason we frequently recommend an online survey instead of telephone.
Many people have felt that this phenomenon was primarily limited to certain areas, like the west coast and the northeast. But a recent estimate by the CDC (I know, it seems odd that the Center for Disease Control would be interested in cell phone usage) claims that the largest proportion of cell phone only households is in Oklahoma and Utah (both estimated at 26%). The next highest states are places I didn’t expect – Nebraska, Arkansas, Idaho, Iowa and Kentucky.
Who would have figured?
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