Zell E R, Ezzati-Rice T M, Battaglia M P, Wright R A
US Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.
Public Health Rep. 2000 Jan-Feb;115(1):65-77. doi: 10.1093/phr/115.1.65.
The National Immunization Survey (NIS) was designed to measure vaccination coverage estimates for the US, the 50 states, and selected urban areas for children ages 19-35 months. The NIS includes a random-digit-dialed telephone survey and a provider record check study. Data are weighted to account for the sample design and to reduce nonresponse and non-coverage biases in order to improve vaccination coverage estimates. Adjustments are made for biases resulting from nonresponse and nontelephone households, and estimation procedures are used to reduce measurement bias. The NIS coverage estimates represent all US children, not just children living in households with telephones. NIS estimates are highly comparable to vaccination estimates derived from the National Health Interview Survey. The NIS allows comparisons between states and urban areas over time and is used to evaluate current and new vaccination strategies.
国家免疫调查（NIS）旨在衡量美国、50个州以及选定城市地区19至35个月儿童的疫苗接种覆盖率估计值。NIS包括随机数字拨号电话调查和提供者记录核查研究。数据经过加权处理，以考虑样本设计并减少无应答和未覆盖偏差，从而提高疫苗接种覆盖率估计值。针对无应答和无电话家庭导致的偏差进行了调整，并采用估计程序来减少测量偏差。NIS覆盖率估计值代表了所有美国儿童，而不仅仅是居住在有电话家庭中的儿童。NIS估计值与来自国家健康访谈调查的疫苗接种估计值具有高度可比性。NIS允许随时间对各州和城市地区进行比较，并用于评估当前和新的疫苗接种策略。
