(Editor's Note: The latest report from May 2017 does, however, say that compared to adults in households with landlines, wireless-only adults were "more likely to have their health status described as excellent or very good.")Īll the daredevils are dropping their landlines! In effect, they are more likely to engage in risky behaviors. People who are wireless-only are more likely to smoke, they're more likely to binge drink, they're more likely to be uninsured.
What we started to recognize, however, fairly quickly, is that, in fact, their health characteristics were different, even when you controlled for all of those demographic differences. For telephone surveys, at first we were able to make adjustments for the exclusion of the individuals, or what's known as coverage bias - because we knew that they were younger, they were more likely to live in rented housing, they were more likely to be low-income. In effect it started out of your own necessity? but we're the one survey in the federal statistical system that is tracking this estimate, and so we continue to do so. Since then, all of the major telephone surveys that CDC conducts now include cellphone numbers. That made it an ideal vehicle for tracking the prevalence of the characteristics of the wireless-only population. And because it's conducted face-to-face by Census Bureau interviewers, it contacts landline households, wireless-only households, households that have no service at all. The National Health Interview Survey is an in-person survey with more than 40,000 households annually.
We looked to find a survey that would answer the questions about who this population is and what their health characteristics are. Back in 2003, we recognized that the telephone-based surveys conducted by the CDC would be missing an ever-growing segment of the population (that didn't have a landline phone). You're definitely not the first one to ask that. Stephen Blumberg, associate director for science in the division of Health Interview Statistics at the CDC's National Center for Health StatisticsĬenters for Disease Control and Prevention
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