On Fitting a Multivariate Two-Part Latent Growth Model

Violet Shu Xu, Shelley A. Blozis, Elizabeth A. Vandewater

Research output: Contribution to journalArticle

Abstract

A 2-part latent growth model can be used to analyze semicontinuous data to simultaneously study change in the probability that an individual engages in a behavior, and if engaged, change in the behavior. This article uses a Monte Carlo (MC) integration algorithm to study the interrelationships between the growth factors of 2 variables measured longitudinally where each variable can follow a 2-part latent growth model. A SAS macro implementing Mplus is developed to estimate the model to take into account the sampling uncertainty of this simulation-based computational approach. A sample of time-use data is used to show how maximum likelihood estimates can be obtained using a rectangular numerical integration method and an MC integration method.

Original languageEnglish (US)
Pages (from-to)131-148
Number of pages18
JournalStructural Equation Modeling
Volume21
Issue number1
DOIs
StatePublished - Jan 1 2014

Fingerprint

Monte Carlo Integration
Growth Model
Numerical Integration Methods
Growth Factors
Maximum Likelihood Estimate
Uncertainty
Maximum likelihood
Macros
uncertainty
Estimate
Sampling
Simulation
simulation
Growth model
Monte Carlo integration
Model
Numerical integration
Interrelationship
Growth factors

Keywords

  • longitudinal semicontinuous variables
  • Monte Carlo integration
  • multivariate two-part latent growth curve model

ASJC Scopus subject areas

  • Modeling and Simulation
  • Decision Sciences(all)
  • Economics, Econometrics and Finance(all)
  • Sociology and Political Science

Cite this

On Fitting a Multivariate Two-Part Latent Growth Model. / Xu, Violet Shu; Blozis, Shelley A.; Vandewater, Elizabeth A.

In: Structural Equation Modeling, Vol. 21, No. 1, 01.01.2014, p. 131-148.

Research output: Contribution to journalArticle

Xu, Violet Shu ; Blozis, Shelley A. ; Vandewater, Elizabeth A. / On Fitting a Multivariate Two-Part Latent Growth Model. In: Structural Equation Modeling. 2014 ; Vol. 21, No. 1. pp. 131-148.
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