Using existing questionnaires in latent class analysis: should we use summary scores or single items as input? A methodological study using a cohort of patients with low back pain

BACKGROUND: Latent class analysis (LCA) is increasingly being used in health research, but optimal approaches to handling complex clinical data are unclear. One issue is that commonly used questionnaires are multidimensional, but expressed as summary scores. Using the example of low back pain (LBP),...

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Bibliographic Details
Published in:Clin Epidemiol
Main Authors: Nielsen, Anne Molgaard, Vach, Werner, Kent, Peter, Hestbaek, Lise, Kongsted, Alice
Format: Artigo
Language:Inglês
Published: Dove Medical Press 2016
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Original Research
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC4853143/
https://ncbi.nlm.nih.gov/pubmed/27217797
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.2147/CLEP.S103330
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