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首页> 外文期刊>American Journal of Epidemiology >Improving public health surveillance using a dual-frame survey of landline and cell phone numbers.
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Improving public health surveillance using a dual-frame survey of landline and cell phone numbers.

机译：通过对座机和手机号码的双重调查来改善公共卫生监督。

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摘要

To meet challenges arising from increasing rates of noncoverage in US landline-based telephone samples due to cell-phone-only households, the Behavioral Risk Factor Surveillance System (BRFSS) expanded a traditional landline-based random digit dialing survey to a dual-frame survey of landline and cell phone numbers. In 2008, a survey of adults with cell phones only was conducted in parallel with an ongoing landline-based health survey in 18 states. The authors used the optimal approach to allocate samples into landline and cell-phone-only strata and used a new approach to weighting state-level landline and cell phone samples. They developed logistic models for each of 16 health indicators to examine whether exclusion of adults with cell phones only affected estimates after adjustment for demographic characteristics. The extents of the potential biases in landline telephone surveys that exclude cell phones were estimated. Biases resulting from exclusion of adults with cell phones only from the landline-based survey were found for 9 out of the 16 health indicators. Because landline noncoverage rates for adults with cell phones only continue to increase, these biases are likely to increase. Use of a dual-frame survey of landline and cell phone numbers assisted the BRFSS efforts in obtaining valid, reliable, and representative data.
机译：为了应对仅使用手机的家庭在美国基于固定电话的电话样本中未覆盖率上升带来的挑战，行为风险因素监视系统（BRFSS）将传统的基于固定电话的随机数字拨号调查扩展为双帧调查座机和手机号码。 2008年，在仅进行手机通话的成年人中，一项调查与18个州正在进行的基于座机的健康调查同时进行。作者使用最佳方法将样本分配到座机和仅手机层，并使用了一种新方法来加权州级座机和手机样本。他们为16种健康指标中的每一项开发了逻辑模型，以检查排除手机的成年人是否仅在调整了人口统计学特征后才影响估计。估算了座机电话调查中排除手机的潜在偏见程度。在16项健康指标中，有9项仅因通过座机调查排除了成年人使用手机而产生的偏见。由于成年人使用手机的座机未覆盖率只会继续增加，因此这些偏见可能会增加。使用固定电话和手机号码的双帧调查有助于BRFSS努力获得有效，可靠和有代表性的数据。

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