Eating Away from Home: Influences on the Dietary Quality of Adolescents with Overweight or Obesity

Publication: Canadian Journal of Dietetic Practice and Research
24 May 2017

Abstract

Purpose: To examine the influence of peers and the source of meals and snacks on the dietary quality of adolescents seeking obesity treatment.
Methods: Baseline surveys were completed by 173 adolescents with overweight or obesity (11–16 years old) enrolled in an e-health intervention in Vancouver, British Columbia. Dietary quality was assessed with three 24-h dietary recalls used to compute a Healthy Eating Index adapted to the Canadian context (HEI-C). Multiple linear regression examined associations between HEI-C scores and the frequency of: (i) meals prepared away from home, (ii) purchasing snacks from vending machines or stores, (iii) eating out with friends, and (iv) peers modeling healthy eating.
Results: Adolescents reported eating approximately 3 lunch or dinner meals prepared away from home and half purchased snacks from vending machines or stores per week. After adjusting for socio-demographics, less frequent purchases of snacks from vending machines or stores (b = −3.00, P = 0.03) was associated with higher HEI-C scores. More frequent dinner meals prepared away from home and eating out with friends were only associated with lower HEI-C scores in unadjusted models.
Conclusions: Snack purchasing was associated with lower dietary quality among obesity treatment-seeking adolescents. Improving the healthfulness of foods obtained away from home may contribute to healthier diets among these adolescents.

Résumé

Objectif : Examiner l’influence des pairs et de la source des repas et collations sur la qualité de l’alimentation des adolescents traités pour des problèmes d’obésité.
Méthodes : Un total de 173 adolescents obèses ou en surplus de poids (âgés de 11 à 16 ans) prenant part à une intervention en cybersanté à Vancouver, en C.-B., ont répondu à des sondages au début de l’étude. La qualité de l’alimentation a été évaluée à l’aide de trois rappels diététiques de 24 heures utilisés pour mettre au point un indice de saine alimentation adapté au contexte canadien (ISA-C). Une analyse de régression linéaire multiple a permis d’examiner les associations entre les scores de l’ISA-C et la fréquence de : (i) consommation de repas préparés à l’extérieur de la maison; (ii) achat de collations dans des distributeurs automatiques ou en magasin; (iii) sorties au restaurant avec des amis; et (iv) modelage des habitudes de saine alimentation des pairs.
Résultats : Les adolescents ont indiqué manger environ trois dîners ou soupers préparés à l’extérieur de la maison, et la moitié ont déclaré acheter des collations dans des machines distributrices ou en magasin chaque semaine. Après ajustement pour les données sociodémographiques, l’achat moins fréquent de collations dans des distributeurs automatiques ou en magasin (b = −3,00; p = 0,03) était associé à des scores plus élevés de l’ISA-C. Une fréquence plus élevée de soupers préparés à l’extérieur de la maison et de sorties au restaurant avec des amis était uniquement associée à des scores d’ISA-C inférieurs dans les modèles non ajustés.
Conclusions : L’achat de collations était associé à une moins bonne qualité de l’alimentation chez les adolescents traités pour des problèmes d’obésité. Améliorer la valeur nutritive des aliments proposés à l’extérieur de la maison pourrait contribuer à rendre l’alimentation de ces adolescents plus saine.

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Financial Support: This study was funded by the Canadian Institutes of Health Research (CIHR) Institute of Nutrition, Metabolism and Diabetes and the Health Research Foundation (#00789-000). Salary support was provided by the Michael Smith Foundation, the Child and Family Research Institute, and the Sunny Hill foundation (LCM); CIHR (#53893), Danone Institute of Canada and the Heart and Stroke Foundation of Canada (AWW); and CIHR and the Child and Family Research Institute (AT).
Conflicts of interest: None to disclose.

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Information & Authors

Information

Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 78Number 4December 2017
Pages: 166 - 171

History

Version of record online: 24 May 2017

Authors

Affiliations

Allison W. Watts PhD
School of Population and Public Health, University of British Columbia, Vancouver, BC
Maria Valente MA
School of Population and Public Health, University of British Columbia, Vancouver, BC
Andrew Tu PhD
School of Population and Public Health, University of British Columbia, Vancouver, BC
Louise C. Mâsse PhD
School of Population and Public Health, University of British Columbia, Vancouver, BC

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