Associations between Aspects of Friendship Networks, Physical Activity, and Sedentary Behaviour among Adolescents

Background. Adolescent friendships have been linked to physical activity levels; however, network characteristics have not been broadly examined. Method. In a cross-sectional analysis of 1061 adolescents (11–15 years), achieving 60 minutes/day of moderate-to-vigorous physical activity (MVPA) and p... Ausführliche Beschreibung

1. Person: Keri Jo Sawka verfasserin
Weitere Personen: Gavin R. McCormack verfasserin; Alberto Nettel-Aguirre verfasserin; Anita Blackstaffe verfasserin; Rosemary Perry verfasserin; Penelope Hawe verfasserin
Quelle: In Journal of Obesity (01.01.2014)
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Format: Online-Artikel
Sprache: English
Veröffentlicht: 2014
Beschreibung: Online-Ressource
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  Creative Commons License Source: Directory of Open Access Journals (DOAJ).
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100 0 |a Keri Jo Sawka  |e verfasserin  |4 aut 
245 1 0 |a Associations between Aspects of Friendship Networks, Physical Activity, and Sedentary Behaviour among Adolescents  |h Elektronische Ressource 
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520 |a Background. Adolescent friendships have been linked to physical activity levels; however, network characteristics have not been broadly examined. Method. In a cross-sectional analysis of 1061 adolescents (11–15 years), achieving 60 minutes/day of moderate-to-vigorous physical activity (MVPA) and participating in over 2 hours/day of sedentary behaviour were determined based on friendship network characteristics (density; proportion of active/sedentary friends; betweenness centrality; popularity; clique membership) and perceived social support. Results. Adolescents with no friendship nominations participated in less MVPA. For boys and girls, a ten percent point increase in active friends was positively associated with achievement of 60 minutes/day of MVPA (OR 1.11; 95% CI 1.02–1.21, OR 1.14; 95% CI 1.02–1.27, resp.). For boys, higher social support from friends was negatively associated with achieving 60 minutes/day of MVPA (OR 0.63; 95% CI 0.42–0.96). Compared with low density networks, boys in higher density networks were more likely to participate in over 2 hours/day of sedentary behaviour (OR 2.93; 95% CI 1.32–6.49). Social support from friends also modified associations between network characteristics and MVPA and sedentary behaviour. Conclusion. Different network characteristics appeared to have different consequences. The proportion of active close friends was associated with MVPA, while network density was associated with sedentary behaviour. This poses challenges for intervention design. 
700 0 |a Gavin R. McCormack  |e verfasserin  |4 aut 
700 0 |a Alberto Nettel-Aguirre  |e verfasserin  |4 aut 
700 0 |a Anita Blackstaffe  |e verfasserin  |4 aut 
700 0 |a Rosemary Perry  |e verfasserin  |4 aut 
700 0 |a Penelope Hawe  |e verfasserin  |4 aut 
773 0 8 |i In  |t Journal of Obesity  |g  (01.01.2014)  |w (DE-601)DOAJ000069280  |x 2090-0708 
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856 4 0 |u http://dx.doi.org/10.1155/2014/632689 
856 4 0 |u https://doaj.org/toc/2090-0708 
856 4 0 |u https://doaj.org/toc/2090-0716 
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952 |j 2014  |b 01  |c 01 

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