无线替代：2007年1月至12月美国国家健康访谈调查的州级估计数据
Wireless substitution: state-level estimates from the National Health Interview Survey, January-December 2007.
作者信息
Blumberg Stephen J, Luke Julian V, Davidson Gestur, Davern Michael E, Yu Tzy-Chyi, Soderberg Karen
机构信息
Division of Health Interview Statistics, National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, MD 20782, USA.
出版信息
Natl Health Stat Report. 2009 Mar 11(14):1-13, 16.
OBJECTIVES
This report presents state-level estimates of the percentage of households that do not have a landline telephone, but do have at least one wireless telephone. These wireless-only households made up 14.7% of U.S. households in 2007. The report also presents state-level estimates of the percentage of adults living in wireless-only households. These wireless-only adults made up 13.6% of U.S. adults in 2007.
METHODS
A two-sample modeling strategy was used to estimate the prevalence of wireless-only households and adults by state. This modeling was based on data from the 2007 National Health Interview Survey and the 2008 Current Population Survey's Annual and Social Economic Supplement.
RESULTS
The results show that the prevalence of wireless-only households and adults in 2007 varied substantially across states. State-level estimates ranged from 5.1% (Vermont) to 26.2% (Oklahoma) of households and from 4.0% (Delaware) to 25.1% (Oklahoma) of adults. In addition, approximately one out of four adults (25.4%) living in the District of Columbia were wireless-only.
目标
本报告呈现了各州没有固定电话但至少拥有一部无线电话的家庭所占百分比的估计数据。2007年，这些仅使用无线电话的家庭占美国家庭总数的14.7%。该报告还呈现了居住在仅使用无线电话家庭中的成年人所占百分比的各州估计数据。2007年，这些仅使用无线电话的成年人占美国成年人总数的13.6%。
方法
采用双样本建模策略来估计各州仅使用无线电话的家庭和成年人的比例。该建模基于2007年全国健康访谈调查以及2008年当前人口调查的年度社会经济补充调查的数据。
结果
结果显示，2007年各州仅使用无线电话的家庭和成年人的比例差异很大。各州层面的估计数据显示，家庭比例从5.1%（佛蒙特州）到26.2%（俄克拉何马州）不等，成年人比例从4.0%（特拉华州）到25.1%（俄克拉何马州）不等。此外，居住在哥伦比亚特区的成年人中约四分之一（25.4%）仅使用无线电话。
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