{"id":19424,"date":"2016-06-01T00:00:00","date_gmt":"2018-12-03T19:20:56","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/using-gps-and-activity-tracking-to-reveal-the-influence-of-adolescents\/"},"modified":"2018-12-03T20:20:56","modified_gmt":"2018-12-03T19:20:56","slug":"using-gps-and-activity-tracking-to-reveal-the-influence-of-adolescents","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/using-gps-and-activity-tracking-to-reveal-the-influence-of-adolescents\/","title":{"rendered":"Using GPS and activity tracking to reveal the influence of adolescents&rsquo; food environment exposure on junk food purchasing."},"content":{"rendered":"<p style=\"text-align:justify\"><strong>OBJECTIVES<\/strong><br \/>\nThis study examines the influence of adolescents&#039; exposure to unhealthy food outlets on junk food purchasing during trips between home and school, with particular attention to how exposure and purchasing differ according to child&#039;s biological sex, mode of transportation, and direction to or from school.<\/p>\n<p style=\"text-align:justify\"><strong>METHODS<\/strong><br \/>\nBetween 2010 and 2013, students (n = 654) aged 9-13 years from 25 schools in London and Middlesex County, ON, completed a socio-demographic survey and an activity diary (to identify food purchases), and were observed via a global positioning system for 2 weeks (to track routes for trips to\/from school). Spatial data on routes and purchase data were integrated with a validated food outlet database in a geographic information system, and exposure was measured as the minutes a child spent within 50 m of an unhealthy food outlet (i.e., fast food restaurants, variety stores). For trips involving junk food exposure (n = 4588), multilevel logistic regression was used to assess the relationship between exposure and purchasing.<\/p>\n<p style=\"text-align:justify\"><strong>RESULTS<\/strong><br \/>\nMultilevel analyses indicated that adolescents&#039; duration of exposure to unhealthy food outlets between home and school had a significant effect on the likelihood of junk food purchasing. This relationship remained significant when the data were stratified by sex (female\/male), trip direction (to\/from school) and travel mode (active\/car), with the exception of adolescents who travelled by bus.<\/p>\n<p style=\"text-align:justify\"><strong>CONCLUSION<\/strong><br \/>\nPolicies and programs that mitigate the concentration of unhealthy food outlets close to schools are critical for encouraging healthy eating behaviours among children and reducing diet-related health issues such as obesity.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-19424","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Michigan State University. sadlerr@msu.edu","annee":"2016","mois":"6","numero":"107:0","page":"5346","auteurs":[{"ID":19419,"post_author":"0","post_date":"2018-12-03 20:20:53","post_date_gmt":"2018-12-03 19:20:53","post_content":"","post_title":"Richard C Sadler","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"richard-c-sadler","to_ping":"","pinged":"","post_modified":"2018-12-03 20:20:53","post_modified_gmt":"2018-12-03 19:20:53","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/richard-c-sadler\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":19420,"post_author":"0","post_date":"2018-12-03 20:20:54","post_date_gmt":"2018-12-03 19:20:54","post_content":"","post_title":"Jason A Gilliland","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"jason-a-gilliland","to_ping":"","pinged":"","post_modified":"2018-12-03 20:20:54","post_modified_gmt":"2018-12-03 19:20:54","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/jason-a-gilliland\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":19421,"post_author":"0","post_date":"2018-12-03 20:20:54","post_date_gmt":"2018-12-03 19:20:54","post_content":"","post_title":"Piotr Wilk","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"piotr-wilk","to_ping":"","pinged":"","post_modified":"2018-12-03 20:20:54","post_modified_gmt":"2018-12-03 19:20:54","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/piotr-wilk\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":19422,"post_author":"0","post_date":"2018-12-03 20:20:55","post_date_gmt":"2018-12-03 19:20:55","post_content":"","post_title":"Andrew F Clark","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"andrew-f-clark","to_ping":"","pinged":"","post_modified":"2018-12-03 20:20:55","post_modified_gmt":"2018-12-03 19:20:55","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/andrew-f-clark\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":19423,"post_author":"0","post_date":"2018-12-03 20:20:56","post_date_gmt":"2018-12-03 19:20:56","post_content":"","post_title":"Colleen O'Connor","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"colleen-oconnor","to_ping":"","pinged":"","post_modified":"2018-12-03 20:20:56","post_modified_gmt":"2018-12-03 19:20:56","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/colleen-oconnor\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":4501,"post_author":"0","post_date":"2018-12-03 17:18:06","post_date_gmt":"2018-12-03 16:18:06","post_content":"","post_title":"Canadian journal of public health = Revue canadienne de sante publique","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"canadian-journal-of-public-health-revue-canadienne-de-sante-publique","to_ping":"","pinged":"","post_modified":"2018-12-03 17:18:06","post_modified_gmt":"2018-12-03 16:18:06","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/canadian-journal-of-public-health-revue-canadienne-de-sante-publique\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Using GPS and activity tracking to reveal the influence of adolescents&#039; 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