Mixed-effects models for the design and analysis of stepped wedge cluster randomized trials: An overview.
Mixed-effects models for the design and analysis of stepped wedge cluster randomized trials: An overview.
复制标题
用于阶梯楔形群随机试验设计和分析的混合效应模型:概述。
DOI:
10.1177/0962280220932962
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发表时间:
2021-03
影响因子:
2.3
通讯作者:
Heagerty PJ
中科院分区:
文献类型:
--
作者:
Li F;Hughes JP;Hemming K;Taljaard M;Melnick ER;Heagerty PJ
The stepped wedge cluster randomized design has received increasing attention in pragmatic clinical trials and implementation science research. The key feature of the design is the unidirectional crossover of clusters from the control to intervention conditions on a staggered schedule, which induces confounding of the intervention effect by time. The stepped wedge design first appeared in the Gambia hepatitis study in the 1980s. However, the statistical model used for the design and analysis was not formally introduced until 2007 in an article by Hussey and Hughes. Since then, a variety of mixed-effects model extensions have been proposed for the design and analysis of these trials. In this article, we explore these extensions under a unified perspective. We provide a general model representation and regard various model extensions as alternative ways to characterize the secular trend, intervention effect, as well as sources of heterogeneity. We review the key model ingredients and clarify their implications for the design and analysis. The article serves as an entry point to the evolving statistical literatures on stepped wedge designs.
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影响因子:
2
作者:
Bond S
通讯作者:
Bond S
影响因子:
15.8
作者:
Golden, Matthew R.;Kerani, Roxanne P.;Holmes, King K.
通讯作者:
Holmes, King K.
影响因子:
2.7
作者:
Grayling, Michael J.;Wason, James M. S.;Mander, Adrian P.
通讯作者:
Mander, Adrian P.
影响因子:
2
作者:
Grayling, Michael J.;Mander, Adrian P.;Wason, James M. S.
通讯作者:
Wason, James M. S.
影响因子:
2.5
作者:
Grayling MJ;Wason JM;Mander AP
通讯作者:
Mander AP