Objectives: We identified classes of physical activity (PA) and sedentary behaviors (SB) in 5th grade children, associated factors, and trajectories of change into 7th grade. Methods: This study included N = 495 children (221 boys, 274 girls) who participated in the Transitions
and Activity Changes in Kids (TRACK) Study. PA was assessed objectively as well as by self-report. Children, parents, and school administrators completed surveys to assess related factors. Latent class analysis, growth modeling, and adjusted multinomial logistic regression procedures were
used to classify children based on self-reported PA and SB and examine associated factors. Results: Three classes of behavior were identified: Class 1: Low PA/Low SB; Class 2: Moderate PA/ High SB; and Class 3: High PA/High SB (boys) or Class 3: High PA (girls). Class 3 children had
higher levels of self-efficacy (boys), and enjoyment, parental support, and physical activity equipment at home (girls). Class 2 boys and Class 3 girls did not experience decline in PA (accelerometer) over time. Conclusions: Self-efficacy (boys) and home environment (girls) may play
a role in shaping patterns of PA in children. Findings may help to inform future interventions to encourage children to meet national PA guidelines.
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LATENT CLASS ANALYSIS;
Document Type: Research Article
Assistant Professor, University of Pittsburgh, Pittsburgh, PA;, Email: [email protected]
Biostatistician, University of South Carolina, Columbia, SC
Professor, University of Georgia, Athens, GA
Professor, University of South Carolina, Columbia, SC
Publication date: May 1, 2016
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The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.
The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.
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