A New SAS Procedure for Latent Transition Analysis: Transitions in Dating and Sexual Risk Behavior

Stephanie T. Lanza, Linda M. Collins

Research output: Contribution to journalArticlepeer-review

Abstract

The set of statistical methods available to developmentalists is continually being expanded, allowing for questions about change over time to be addressed in new, informative ways. Indeed, new developments in methods to model change over time create the possibility for new research questions to be posed. Latent transition analysis, a longitudinal extension of latent class analysis, is a method that can be used to model development in discrete latent variables, for example, stage processes, over 2 or more times. The current article illustrates this approach using a new SAS procedure, PROC LTA, to model change over time in adolescent and young adult dating and sexual risk behavior. Gender differences are examined, and substance use behaviors are included as predictors of initial status in dating and sexual risk behavior and transitions over time.

Original languageEnglish (US)
Pages (from-to)446-456
Number of pages11
JournalDevelopmental psychology
Volume44
Issue number2
DOIs
StatePublished - Mar 2008

Keywords

  • discrete latent variable
  • gender differences
  • latent transition analysis
  • sexual risk behavior

ASJC Scopus subject areas

  • Demography
  • Developmental and Educational Psychology
  • Life-span and Life-course Studies

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