Investigating the Cognitive Processes that Mediate Protection Motivation Theory: A Parallel-process Latent Growth Modeling Analysis

Investigating the Cognitive Processes that Mediate Protection Motivation Theory: A Parallel-process Latent Growth Modeling Analysis

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This dissertation set out to increase our understanding of cognitive processes that mediate protection motivation theory (PMT) for the prevention of high risk sexual and drug behavior, and the increase in condom use behavior in American and Vietnamese youth. Longitudinal data from American and Vietnamese youth who participated in the Focus On Kids (FOK) HIV risk reduction intervention based on PMT constructs were analyzed using confirmatory factor analysis (CFA) and parallel-process latent growth modeling (PPLGM). The data were organized into risk behavior and condom use PMT constructs, and CFA demonstrated measurement invariance and the stability of these two broad categories of PMT constructs within- and between-participants and time. PPLGM allowed for the simultaneous modeling of the developmental trajectories of the PMT coping- and threat-appraisal processes, and their relationship with self-reported sexual and drug risk behaviors. Results indicate the coping- and threat-appraisal processes were higher in American youth who were abstinent at baseline compared to youth who were sexually-experienced, and were higher in youth in the FOK intervention groups that added a parental component and a booster component compared to youth in the FOK-only group. In Vietnamese youth, the FOK intervention had a strong effect on PMT as the coping-appraisal process grew significantly higher in the treatment group compared to the control group. Examining the concurrent growth of behavior and PMT processes, American youth in the parental and booster groups had the greatest initial reduction in unprotected sex, and alcohol and cigarette use over the first 12 months of the study, and the lowest subsequent growth of these risk behaviors over the next 12 months of the study. In Vietnamese youth, those in the treatment group had significantly greater reductions in risk behavior compared to control youth. While protective condom use developed the most in the American youth in the Booster group, condom use behavior did not change in the Vietnamese youth from baseline through 18 months post-intervention. This study illustrates the strength of parallel-process latent growth modeling in identifying both the cognitive processes that mediate PMT and the mechanisms concerning how the FOK intervention program may achieves its effects.... j Im in each sample and in each group across each assessment period ( Meredith, 1993; Vandenberg aamp; Lance, 2000). ... (.052-.066) Follow up #4 All youth 480 785.62 239 .839 .814 .069 (.064-.074) Sexual at baseline 182 477.25 239 .810anbsp;...


Title:Investigating the Cognitive Processes that Mediate Protection Motivation Theory: A Parallel-process Latent Growth Modeling Analysis
Author: Matthew L. Cole
Publisher:ProQuest - 2008
ISBN-13:

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