Network analysis of the structure and change in the mini-mental state examination: a nationally representative sample
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ORIGINAL PAPER
Network analysis of the structure and change in the mini‑mental state examination: a nationally representative sample Anat Rotstein1 Received: 26 January 2020 / Accepted: 11 March 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Purpose The structure of the mini-mental state examination (MMSE) is inconsistent across factor analytic studies, and yet to be examined based on network analysis. The current study aims to identify the (I) cross-sectional network structure and (II) longitudinal network changes of the MMSE. Methods The MMSE was administered to a nationally representative sample of older adults (age 50 and over) in Ireland twice over 4 years (2012–2013: N = 7207; 2016: N = 5715). Psychometric network analysis was computed at each time point to identify structure, strength and magnitude of the network associations. Item clustering was examined, and modularity scores were computed to measure the overall strength of clustering. Centrality indices were used to identify the main aspects of the MMSE. Longitudinal differences between the networks were examined. Results Cross-sectionally, the MMSE network structure clustered into a single community (modularity score = 0) with orientation items identified as most central. Longitudinally, the MMSE was time invariant regarding structure, centrality and magnitude of the positive associations between the items. The average magnitude of the negative associations increased over time[(t(65.15) = 3.78, p
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