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Göteborgs universitets publikationer

Adolescents' communication of high calorie low nutrient food items in image-based social media

Författare och institution:
Christopher Holmberg (Institutionen för kost- och idrottsvetenskap); John Chaplin (Institutionen för kliniska vetenskaper, sektionen för kvinnors och barns hälsa, Avdelningen för pediatrik); Thomas Hillman (Institutionen för pedagogik, kommunikation och lärande); Christina Berg (Institutionen för kost- och idrottsvetenskap)
Publicerad i:
European Obesity Summit 2016 Abstract Book, a supplement of Obesity Facts, 9 ( 9(suppl 1) VIII + 368 ) s. 25
ISBN:
978-3-318-05895-6
ISSN:
1662-4025
E-ISSN:
1662-4033
Publikationstyp:
Konferensbidrag - refereegranskat abstract
Publiceringsår:
2016
Språk:
engelska
Fulltextlänk:
Sammanfattning (abstract):
Rationale: Adolescents today use social media applications extensively and research demonstrates that peers in social media settings can influence adolescents regarding their food intake. These newly emerged channels also offer unique possibilities to observe adolescents’ dietary communication. Objective: This study aimed to explore how adolescents communicate food images in a widely used social media image-sharing application, Instagram. Methods: To find adolescent Instagram users we searched for images appended with the hashtag #14år (Swedish for “14 years”). The hashtag had been applied to 3479 images as of March 2014. However, as users change their privacy settings, delete their accounts, or change their user names, 1358 images were not retrievable. Users sometimes also applied the hashtag to several images, and we excluded accounts that we judged did not belong to adolescents (based on written and visual profile information); 1001 unique Instagram users’ photo streams were thus eligible for analysis. Content analysis was used to identify food items and categorize these based on types of food and how the food items were presented. Results: Most of the adolescent users (85 %) shared images containing food items. A majority of the images (67.7%) depicted foods high in calories but low in nutrients. Almost half of these images were arranged as a still life with food brand names clearly exposed. Many of these images were influenced by major food marketing campaigns. Fruits and vegetables only occurred in 21.8% of all images. This food group was frequently portrayed zoomed in with focus solely on the food, with a hashtag or caption expressing palatability. These images were often presented in the style of a cook book. Conclusions: Food was presented in varied ways. Adolescents themselves produced images copying food advertisements. This has clear health promotion implications since it becomes more challenging to monitor and tackle exposure to marketing of unhealthy foods to young people in these popular online networks because images are part of a lifestyle that the young people want to promote. Shared images contain personal recommendations, which mean that they may have a more powerful effect than commercial food advertising. Acknowledgements: This study was supported by grants from Formas - The Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (grant number 259-2012-38). We would also like to affirm our respect for Instagram users and their publically shared images which made it possible for us to conduct this research.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
MEDICIN OCH HÄLSOVETENSKAP ->
Hälsovetenskaper
MEDICIN OCH HÄLSOVETENSKAP ->
Hälsovetenskaper ->
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi
MEDICIN OCH HÄLSOVETENSKAP ->
Hälsovetenskaper ->
Näringslära
SAMHÄLLSVETENSKAP ->
Medie- och kommunikationsvetenskap
SAMHÄLLSVETENSKAP ->
Medie- och kommunikationsvetenskap ->
Mänsklig interaktion med IKT
Nyckelord:
Adolescents, eHealth literacy, Food presentation, Instagram, Obesogenic environment
Postens nummer:
237323
Posten skapad:
2016-06-04 22:41

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