Reexamining the factor structure of somatization using the children's somatization inventory (CSI-24) in a community sample

John V. Lavigne*, Miguel Saps, Fred B. Bryant

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Objective Pediatric somatization studies have used the 35-item Child Somatization Inventory (CSI-35) or psychometrically refined 24-item CSI (CSI-24). Exploratory factor analysis of the CSI-24 has identified a single factor that did not show good model fit in confirmatory factor analysis (CFA). Further evaluation of the CSI-24 factor structure is needed. Methods The present study examined alternative factor structures of the CSI-24 in a community sample (N=233, ages 8-15). Results The CFA showed good fit for a single CSI-24 factor, better fit for multiple factor models, and best fit for a single, six-item factor. Construct validity for that factor was found in significant correlations with anxiety, depression, functional disability, and quality of life. Conclusions Results are consistent with a single somatization factor, but research is needed to verify the factor structure in different, race/ethnic/demographic, and clinical groups.

Original languageEnglish (US)
Pages (from-to)914-924
Number of pages11
JournalJournal of pediatric psychology
Volume37
Issue number8
DOIs
StatePublished - Sep 2012

Keywords

  • adolescents
  • children
  • confirmatory factor analysis
  • exploratory factor analysis
  • medically unexplained symptoms
  • somatization

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Developmental and Educational Psychology

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