Predicting condom use using the information-motivation-behavioral skills (IMB) model: A multivariate latent growth curve analysis

Jennifer L. Walsh, Theresa E. Senn, Lori A.J. Scott-Sheldon, Peter A. Vanable, Michael P. Carey

Research output: Contribution to journalArticle

42 Scopus citations

Abstract

Background: The Information-Motivation-Behavioral Skills (IMB) model often guides sexual risk reduction programs even though no studies have examined covariation in the theory's constructs in a dynamic fashion with longitudinal data. Purpose: Using new developments in latent growth modeling, we explore how changes in information, motivation, and behavioral skills over 9 months relate to changes in condom use among STD clinic patients. Methods: Participants (N=1281, 50% female, 66% African American) completed measures of IMB constructs at three time points. We used parallel process latent growth modeling to examine associations among intercepts and slopes of IMB constructs. Results: Initial levels of motivation, behavioral skills, and condom use were all positively associated, with behavioral skills partially mediating associations between motivation and condom use. Changes over time in behavioral skills positively related to changes in condom use. Conclusions: Results support the key role of behavioral skills in sexual risk reduction, suggesting these skills should be targeted in HIV prevention interventions.

Original languageEnglish (US)
Pages (from-to)235-244
Number of pages10
JournalAnnals of Behavioral Medicine
Volume42
Issue number2
DOIs
StatePublished - Oct 1 2011

Keywords

  • Condoms
  • HIV
  • IMB
  • STD
  • Sexual risk behavior

ASJC Scopus subject areas

  • Psychology(all)
  • Psychiatry and Mental health

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