Egocentric Social Network Structure, Health, and Pro-Social Behaviors in a National Panel Study of Americans

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Egocentric Social Network Structure, Health, and Pro-Social Behaviors in a National Panel Study of Americans

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Title: Egocentric Social Network Structure, Health, and Pro-Social Behaviors in a National Panel Study of Americans
Author: O’Malley, A. James; Steiger, Darby Miller; Fowler, James H.; Arbesman, Samuel; Christakis, Nicholas Alexander

Note: Order does not necessarily reflect citation order of authors.

Citation: O’Malley, A. James, Samuel Arbesman, Darby Miller Steiger, James H. Fowler, and Nicholas A. Christakis. 2012. Egocentric social network structure, health, and pro-social behaviors in a national panel study of Americans. PLoS ONE 7(5): e36250.
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Abstract: Using a population-based, panel survey, we study how egocentric social networks change over time, and the relationship between egocentric network properties and health and pro-social behaviors. We find that the number of prosocial activities is strongly positively associated with having more friends, or an increase in degree, with approximately 0.04 more prosocial behaviors expected for every friend added. Moreover, having more friends is associated with an improvement in health, while being healthy and prosocial is associated with closer relationships. Specifically, a unit increase in health is associated with an expected 0.45 percentage-point increase in average closeness, while adding a prosocial activity is associated with a 0.46 percentage-point increase in the closeness of one’s relationships. Furthermore, a tradeoff between degree and closeness of social contacts was observed. As the number of close social contacts increases by one, the estimated average closeness of each individual contact decreases by approximately three percentage-points. The increased awareness of the importance of spillover effects in health and health care makes the ascertainment of egocentric social networks a valuable complement to investigations of the relationship between socioeconomic factors and health.
Published Version: doi:10.1371/journal.pone.0036250
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3352911/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10354434
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