Early risk factors of overweight developmental trajectories during middle childhood


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Pryor, L. E., Brendgen, M., Tremblay, R. E., Pingault, J. B., Liu, X., Dubois, L., Touchette, E., Falissard, B., Boivin, M. et Côté, S. M. (2015). Early risk factors of overweight developmental trajectories during middle childhood. PLoS ONE, 10 (6). ISSN 1932-6203 DOI 10.1371/journal.pone.0131231

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Background: Research is needed to identify early life risk factors associated with different developmental paths leading to overweight by adolescence. Objectives: To model heterogeneity in overweight development during middle childhood and identify factors associated with differing overweight trajectories. Methods: Data was drawn from the Quebec Longitudinal Study of Child Development (QLSCD; 1998-2010). Trained research assistants measured height and weight according to a standardized protocol and conducted yearly home interviews with the child's caregiver (mother in 98% of cases). Information on several putative early life risk factors for the development of overweight were obtained, including factors related to the child's perinatal, early behavioral family and social environment. Group-based trajectories of the probability of overweight (6-12 years) were identified with a semiparametric method (n=1678). Logistic regression analyses were used to identify early risk factors (5 months- 5 years) associated with each trajectory. Results: Three trajectories of overweight were identified: "early-onset overweight" (11.0%), "lateonset overweight" (16.6%) and "never overweight" (72.5%). Multinomial analyses indicated that children in the early and late-onset group, compared to the never overweight group, had 3 common types of risk factors: parental overweight, preschool overweight history, and large size for gestational age. Maternal overprotection (OR= 1.12, CI: 1.01-1.25), short nighttime sleep duration (OR=1.66, CI: 1.07-2.57), and immigrant status (OR=2.01, CI: 1.05-3.84) were factors specific to the early-onset group. Finally, family food insufficiency (OR=1.81, CI: 1.00-3.28) was weakly associated with membership in the late-onset trajectory group. Conclusions: The development of overweight in childhood follows two different trajectories, which have common and distinct risk factors that could be the target of early preventive interventions. © 2015 Pryor et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Type de document: Article
Mots-clés libres: Article child controlled study disease association early childhood intervention family history female genetic heterogeneity human illness trajectory immigrant large for gestational age major clinical study male medical history obesity outcome assessment perinatal care preschool child risk assessment risk factor school child sleep time social attitude social environment social interaction child development demography Overweight probability Quebec regression analysis Humans Risk Factors
Date de dépôt: 18 avr. 2019 15:22
Dernière modification: 18 avr. 2019 15:24
Version du document déposé: Version officielle de l'éditeur
URI: https://depot-e.uqtr.ca/id/eprint/8690

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