Bayesian latent structure modeling of walking behavior in a physical activity intervention

Andrew B. Lawson, Caitlyn Ellerbe, Rachel Carroll, Kassandra Alia, Sandra Coulon, Dawn K. Wilson, M. Lee Vanhorn, Sara StGeorge

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The analysis of walking behavior in a physical activity intervention is considered. A Bayesian latent structure modeling approach is proposed whereby the ability and willingness of participants is modeled via latent effects. The dropout process is jointly modeled via a linked survival model. Computational issues are addressed via posterior sampling and a simulated evaluation of the longitudinal model's ability to recover latent structure and predictor effects is considered. We evaluate the effect of a variety of socio-psychological and spatial neighborhood predictors on the propensity to walk and the estimation of latent ability and willingness in the full study.

Original languageEnglish (US)
Pages (from-to)2634-2649
Number of pages16
JournalStatistical Methods in Medical Research
Volume25
Issue number6
DOIs
StatePublished - Dec 1 2016
Externally publishedYes

Fingerprint

Walking
Psychology
Predictors
Modeling
Survival Model
Drop out
Walk
Evaluate
Evaluation
Model

Keywords

  • Bayesian
  • intervention
  • joint model
  • Latent structure
  • longitudinal data
  • physical activity

ASJC Scopus subject areas

  • Epidemiology
  • Statistics and Probability
  • Health Information Management

Cite this

Bayesian latent structure modeling of walking behavior in a physical activity intervention. / Lawson, Andrew B.; Ellerbe, Caitlyn; Carroll, Rachel; Alia, Kassandra; Coulon, Sandra; Wilson, Dawn K.; Vanhorn, M. Lee; StGeorge, Sara.

In: Statistical Methods in Medical Research, Vol. 25, No. 6, 01.12.2016, p. 2634-2649.

Research output: Contribution to journalArticle

Lawson, AB, Ellerbe, C, Carroll, R, Alia, K, Coulon, S, Wilson, DK, Vanhorn, ML & StGeorge, S 2016, 'Bayesian latent structure modeling of walking behavior in a physical activity intervention', Statistical Methods in Medical Research, vol. 25, no. 6, pp. 2634-2649. https://doi.org/10.1177/0962280214529932
Lawson, Andrew B. ; Ellerbe, Caitlyn ; Carroll, Rachel ; Alia, Kassandra ; Coulon, Sandra ; Wilson, Dawn K. ; Vanhorn, M. Lee ; StGeorge, Sara. / Bayesian latent structure modeling of walking behavior in a physical activity intervention. In: Statistical Methods in Medical Research. 2016 ; Vol. 25, No. 6. pp. 2634-2649.
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