Screen Time and Body Image in Icelandic Adolescents: Sex-Specific Cross-Sectional and Longitudinal Associations

Soffia M. Hrafnkelsdottir, Robert J. Brychta, Vaka Rognvaldsdottir, Kong Y. Chen, Erlingur Johannsson, Sigridur L. Guðmundsdottir and Sigurbjorn A. Arngrimsson
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Soffia M. Hrafnkelsdottir: Center of Sport and Health Sciences, University of Iceland, 105 Reykjavik, Iceland
Robert J. Brychta: Diabetes, Endocrinology and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
Vaka Rognvaldsdottir: Center of Sport and Health Sciences, University of Iceland, 105 Reykjavik, Iceland
Kong Y. Chen: Diabetes, Endocrinology and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
Erlingur Johannsson: Center of Sport and Health Sciences, University of Iceland, 105 Reykjavik, Iceland
Sigridur L. Guðmundsdottir: Center of Sport and Health Sciences, University of Iceland, 105 Reykjavik, Iceland
Sigurbjorn A. Arngrimsson: Center of Sport and Health Sciences, University of Iceland, 105 Reykjavik, Iceland

IJERPH, 2022, vol. 19, issue 3, 1-13

Abstract: Studies of adolescent body image and screen use are mostly limited to girls, and longitudinal data are scarce. We examined cross-sectional and longitudinal associations between these variables in mid-adolescent boys and girls. Data was collected when participants were at age 15 and 17, by questionnaire and objective measurements ( n = 152 had complete data). Sex-specific linear regression was used to explore cross-sectional and longitudinal associations of self-reported screen use (total use, and time spent in gaming, TV/DVD/internet-based watching and internet use for communication) and body image, adjusting for vigorous physical activity, symptoms of depression, and body composition. Screen time was negatively associated with body image at both time points, although more strongly at age 15, and for girls only. Gaming and TV/DVD/internet watching was more strongly associated with body image than internet use for communication. Girls with above median screen time at both ages had 14% lower body image score at age 17 than girls with below median screen time at both time points. Our results suggest that screen use is likely to play a role in the development of body dissatisfaction among adolescent females. Limiting screen time may, therefore, help to mitigate body dissatisfaction in adolescent girls.

Keywords: screen time; body image; adolescents; longitudinal association; sex-specific analysis (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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