Analysis of clustered data: A combined estimating equations approach

Julie A. Stoner

Biometrika, 2002, vol. 89, issue 3, 567-578

Abstract: Examples of clustered data include data from longitudinal studies and data sampled within groups. This paper proposes a regression analysis method for clustered data that optimally weights and combines contrasts of the data through a combination of estimating equations. Examples of combining between-cluster, within-cluster and longitudinal data contrasts are presented. The method results in increased estimation efficiency relative to generalised estimating equations with standard working correlation structures. The proposed method also simplifies modelling decisions regarding the true correlation structure of the data and avoids correlation parameter estimation. Copyright Biometrika Trust 2002, Oxford University Press.

Date: 2002
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