A dynamic model of US adolescents' smoking and friendship networks

D.R. Schaefer, S.A. Haas and N.J. Bishop

American Journal of Public Health, 2012, vol. 102, issue 6, E12-E18

Abstract: Objectives: We investigated the associations between smoking and friend selection in the social networks of US adolescents. Methods: We used a stochastic actor-based model to simultaneously test the effects of friendship networks on smoking and several ways that smoking can affect the friend selection process. Data are from 509 US high school students in the National Longitudinal Study of Adolescent Health, 1994-1996 (46.6% female, mean age at outset = 15.4 years). Results: Over time, adolescents' smoking became more similar to their friends. Smoking also affected who adolescents selected as friends; adolescents were more likely to select friends whose smoking level was similar to their own, and smoking enhanced popularity such that smokers were more likely to be named as friends than were nonsmokers, after controlling for other friend selection processes. Conclusions: Both friend selection and peer influence are associated with smoking frequency. Interventions to reduce adolescent smoking would benefit by focusing on selection and influence mechanisms.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:10.2105/ajph.2012.300705_4

DOI: 10.2105/AJPH.2012.300705

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