Evaluation of health in pregnancy grants in Scotland: a protocol for a natural experiment.
Evaluation of health in pregnancy grants in Scotland: a protocol for a natural experiment.
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DOI：
10.1136/bmjopen-2014-006547
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发表时间：
2014-10-16
期刊：
影响因子：
2.9
通讯作者：
Leyland AH
中科院分区：
文献类型：
--
作者：
Dundas R;Ouédraogo S;Bond L;Briggs AH;Chalmers J;Gray R;Wood R;Leyland AH
低出生体重的很大一部分归因于母亲的文化和社会经济环境。幼儿教育计划已得到广泛发展，以改善儿童的成果。在英国，为 2009 年 4 月 6 日或之后怀孕第 25 周且预产期满的妇女引入了妊娠健康 (HiP) 补助金，这是一项 190 英镑的普遍有条件现金转移，随后针对 2011 年 1 月 1 日或之后怀孕第 25 周的妇女撤回。目前的研究重点是评估 HiP 补助金的有效性和成本效益。所研究的人口将是2004年1月至2009年3月（干预前）、2009年4月至2011年4月（干预）和2011年5月至2013年12月（干预后）期间苏格兰的所有单胎出生。数据将从苏格兰孕产妇和新生儿数据库中提取。 2004 年至 2013 年的分析应得出超过 585 000 的出生人数。主要结果是单胎出生体重。其他次要结果包括预订时的妊娠情况、25 周之前的预订情况；尺寸和阶段的测量；分娩时的胎龄；出生时体重、足月体重；出生结果和母亲吸烟。我们将使用的主要统计方法是中断时间序列。结果将根据母亲体内的个体分娩来衡量，母亲本身聚集在数据区内。将使用多级回归模型来确定在 HiP 补助金生效期间结果是否发生变化。将对最有可能从付款中受益的群体进行亚群体分析。隐私咨询委员会已批准出于研究目的进行数据收集、存储和发布（2014 年 5 月 6 日，PAC38A/13）。这项研究的结果将通过同行评审的期刊、国内和国际会议上的出版物进行传播。
A substantial proportion of low birth weight is attributable to the mother's cultural and socioeconomic circumstances. Early childhood programmes have been widely developed to improve child outcomes. In the UK, the Health in Pregnancy (HiP) grant, a universal conditional cash transfer of £190, was introduced for women reaching the 25th week of pregnancy with a due date on/or after 6 April 2009 and subsequently withdrawn for women reaching the 25th week of pregnancy on/or after 1 January 2011. The current study focuses on the evaluation of the effectiveness and cost-effectiveness of the HiP grant. The population under study will be all singleton births in Scotland over the periods of January 2004 to March 2009 (preintervention), April 2009 to April 2011 (intervention) and May 2011 to December 2013 (postintervention). Data will be extracted from the Scottish maternity and neonatal database. The analysis period 2004–2013 should yield over 585 000 births. The primary outcome will be birth weight among singleton births. Other secondary outcomes will include gestation at booking, booking before 25 weeks; measures of size and stage; gestational age at delivery; weight-for-dates, term at birth; birth outcomes and maternal smoking. The main statistical method we will use is interrupted time series. Outcomes will be measured on individual births nested within mothers, with mothers themselves clustered within data zones. Multilevel regression models will be used to determine whether the outcomes changed during the period in which the HiP grants was in effect. Subgroup analyses will be conducted for those groups most likely to benefit from the payments. Approval for data collection, storage and release for research purpose has been given (6 May 2014, PAC38A/13) by the Privacy Advisory Committee. The results of this study will be disseminated through peer-reviewed publications in journals, national and international conferences.
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