期刊
PHYSIOLOGY & BEHAVIOR
卷 142, 期 -, 页码 111-120出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.physbeh.2015.02.001
关键词
BMI trajectory; Sociocultural factors; Latent class growth analysis; Children
资金
- Fonds de Recherche sur la Societe et la Culture du Quebec [2010-PD-137192]
Objective: Describe and predict sex-stratified trajectories of weight change in youths transitioning from childhood to adolescence. Methods: Using an accelerated longitudinal design, 461 children between 8 and 12 years old at baseline were followed over three years. Body mass index was calculated from self-reported height and weight. Latent class growth analysis was used to identify BMI trajectories and multinomial logistic regressions, to predict group membership. Results: A four-group heterogeneous trajectory model emerged for boys and girls alike. Characteristics of the trajectories differed between sexes and no obesity group was found for boys. Sociocultural factors, such as media influence, body dissatisfaction, weight victimization, awareness of thin-ideal standards and related pressures were important correlates of trajectory membership. Conclusion: BMI trajectories during preadolescence are stable over time for heavier children. Body image concerns and weight stigmatization stand out as important factors in the prediction of developmental weight trajectories and could therefore be integrated in weight gain prevention programs for children of all weights as well as in weight management interventions for overweight and obese children. (C) 2015 Elsevier Inc. All rights reserved.
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