IVS Primary Caregiver 6-Month SAQ in National Children's Study

IVS Self-Administered Questionnaire
Study Description
The National Children’s Study (NCS) Vanguard Study was a pilot for a planned cohort study of environmental influences on child health and development. Starting in 2009, recruitment strategies were tested in 43 counties across 31 states throughout the U.S. The study enrolled 5,600 birth families and followed them through 2014. At protocol-specified study visits, questionnaires and interviews, neuro-psychosocial and cognitive assessments, and physical examinations were collected, along with nearly 19,000 biological and 5,500 environmental primary samples from which multiple laboratory result data are available. 7,921 Women were enrolled for both a preconception cohort and a pregnancy cohort, 1,009 Fathers were enrolled, and 5,608 Children were enrolled at birth and followed up to 42 months of age

IVS自评问卷（IVS Self-Administered Questionnaire）
研究概况
美国全国儿童研究（National Children’s Study, NCS）先锋研究是一项针对儿童健康与发育的环境影响开展的预设队列研究的先导试点项目。自2009年起，研究团队在美国31个州的43个县开展招募策略预试验。该研究共招募5600个分娩家庭，并对其追踪至2014年。在方案规定的研究随访节点中，研究人员收集了问卷、访谈资料、神经社会心理与认知评估结果以及体格检查数据；同时采集了近19000份生物样本与5500份环境原始样本，可从中获取多项实验室检测结果数据。共有7921名女性同时纳入孕前队列与妊娠队列，1009名父亲入组参与研究，另有5608名儿童在出生时入组，并被追踪至42月龄。