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The Diabetes Educator

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First published on December 12, 2007
Health Education & Behavior 2007, doi:10.1177/1090198107308373

Article

Evaluating Psychosocial and Behavioral Mechanisms of Change in a Tailored Communication Intervention

John P. Elder, PhD, MPH1, Guadalupe X. Ayala, PhD, MPH1*, Donald J. Slymen, PhD1, Elva M. Arredondo, PhD2, and Nadia R. Campbell, MPH2

1 San Diego State University, California
2 Center for Behavioral and Community Health Studies, San Diego, California

* To whom correspondence should be addressed. E-mail: ayala{at}mail.sdsu.edu.


  Abstract
This study examined the impact of a tailored nutrition intervention at 3 and 6 months postintervention. In all, 357 Latinas were randomly assigned to one of three conditions: (1) a control condition comprised of previously developed Spanish language targeted materials, (2) tailored print materials, or (3) tailored print materials accompanied by personalized dietary counseling via lay heath advisors (promotoras). At 6 months postintervention, significant group by time interactions were observed on the dietary behavioral strategies scales. The promotora condition resulted in significant behavior change initially; however, receipt of tailored and control materials was instrumental in continued behavior change after intervention activities had ceased. Group main effects suggested that the promotora condition was superior at reducing barriers and improving family interactions supporting healthy behaviors. The promotora model is an effective method for changing important dietary behaviors and psychosocial determinants, but longer term behavior change is achievable with less expensive intervention methods.


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