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Poor, Unsafe, and Overweight: The Role of Feeling Unsafe at School in Mediating the Association Among Poverty Exposure, Youth Screen Time, Physical Activity, and Weight Status

Côté-Lussier, Carolyn; Fitzpatrick, Caroline; Séguin, Louise; Barnett, Tracie A. (2015). Poor, Unsafe, and Overweight: The Role of Feeling Unsafe at School in Mediating the Association Among Poverty Exposure, Youth Screen Time, Physical Activity, and Weight Status American Journal of Epidemiology , vol. 182 , nº 1. p. 67-79. DOI: 10.1093/aje/kwv005.

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Résumé

This study applied socioecological and cumulative risk exposure frameworks to test the hypotheses that 1) the experience of poverty is associated with feeling less safe at school, and 2) feeling less safe is associated with engaging in poorer weight-related behaviors, as well as an increased probability of being overweight or obese. Data were from the ongoing Qu,bec Longitudinal Study of Child Development, initiated in 1998 with a population-based cohort of 2,120 Qu,bec (Canada) infants 5 months of age and their parent or primary caregiver. Measures of youths' (age, 13 years) self-reported feelings of safety, screen time, physical activity, and objectively assessed not overweight/obese (70%), overweight (22%), and obese (8%) weight status were collected in 2011. Family poverty trajectory from birth was assessed by using latent growth modeling. As hypothesized, exposure to poverty was associated with feeling less safe at school and, in turn, with an increased probability of being overweight or obese. The association was most pronounced for youths who experienced chronic poverty. Compared with youths who experienced no poverty and felt unsafe, those who experienced chronic poverty and felt unsafe were nearly 18% more likely to be obese (9.2% vs. 11.2%). Although feeling unsafe was associated with screen time, screen time did not predict weight status.

Type de document: Article
Mots-clés libres: birth cohort; Canada; obesity; safety; structural equation modeling; television; trajectory; childhood poverty; young adulthood united-states mental-health obesity children neighborhood adolescents environment stress
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 28 sept. 2017 18:44
Dernière modification: 28 sept. 2017 18:44
URI: http://espace.inrs.ca/id/eprint/3167

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